Iowa Tornadoes 1950-2012
This page lists the date and location of all the tornadoes that have occurred in Iowa from the year 1950. If you are interested in reading about the worst tornadoes that have struck Iowa(and all other states), see this page on our site. If you want to find out about specific tornadoes that have occurred since 2012, check out the NCDC Storm Events page.
Move your mouse over the map to see the county name and FIPS number (Federal Information Processing Standard). Click on the county or use the drop-down menu to navigate to your county of interest.
From there you can find data on each county that has had tornadoes since 1950. You will find the tornado ID number, the date, the event number, the time it occurred, the number of deaths and/or injuries caused, the F-Scale or EF-Scale, and the map coordinates. You can even copy the beginning and ending set of map coordinates into Google maps to see the path that the tornado took. If your county is not listed, it has not had a tornado officially listed during this period.
all times are Central Standard Time
Adair County Tornadoes

318 JUN 27, 1953 20 15:45 1 2 5 41.45 -094.70 00.00 0 1 162 MAY 4, 1959 3 22:23 0 0 2 41.20 -094.40 41.25 -094.32 1 163 MAY 4, 1959 4 22:23 0 0 2 41.28 -094.50 41.33 -094.42 1 201 MAY 10, 1959 10 13:00 0 1 4 41.50 -094.63 41.93 -094.08 1,77,49,15 526 AUG 18, 1960 18 13:30 0 0 1 41.30 -094.47 00.00 0 1 195 APR 20, 1961 1 15:30 0 0 1 41.30 -094.50 41.33 -094.45 1 83 APR 18, 1963 6 17:10 0 0 2 41.33 -094.63 41.37 -094.58 1 274 MAY 23, 1981 14 15:15 0 0 0 41.43 -094.65 00.00 0 1 280 MAY 23, 1981 16 16:02 0 0 0 41.42 -094.50 00.00 0 1 282 MAY 23, 1981 17 16:15 0 0 0 41.42 -094.30 00.00 0 1 550 JUN 11, 1984 28 18:23 0 0 0 41.42 -094.32 00.00 0 1 96 MAR 18, 1986 1 16:03 0 0 1 41.42 -094.65 00.00 0 1 362 JLY 15, 1988 37 18:45 0 0 1 41.25 -094.68 00.00 0 1 639 JUN 29, 1993 26 21:15 0 0 0 41.38 -094.35 00.00 0 1 108 APR 14, 1994 1 19:48 0 0 3 41.27 -094.70 41.37 -094.47 1 767 MAY 18, 2000 8 9:20 0 0 0 41.33 -094.62 41.33 -094.62 1 768 MAY 18, 2000 9 9:31 0 0 0 41.25 -094.68 41.25 -094.68 1 769 MAY 18, 2000 10 9:33 0 0 0 41.30 -094.47 41.30 -094.47 1 906 MAY 22, 2004 27 18:07 0 0 1 41.43 -094.47 41.45 -094.28 1 922 MAY 22, 2004 45 22:33 0 0 0 41.50 -094.65 41.50 -094.65 1 279355 MAR 22, 2011 4 16:42 0 0 0 41.26 -094.64 41.27 -094.63 1

Adams County Tornadoes

384 JLY 14, 1958 11 17:55 0 1 3 41.07 -094.60 40.83 -094.57 3,173 243 MAY 18, 1959 15 13:45 0 0 2 40.98 -094.73 00.00 0 3 445 JUN 14, 1981 28 20:22 0 0 0 41.03 -094.73 00.00 0 3 456 AUG 22, 1988 41 13:30 0 0 1 41.12 -094.83 41.15 -094.75 3 333 MAY 24, 1989 15 17:11 0 0 4 40.98 -094.72 40.63 -093.87 3,175,159,53 883 JLY 24, 1993 46 21:55 0 0 0 40.98 -094.73 00.00 0 3 446 JLY 16, 1999 55 16:25 0 0 0 40.97 -094.77 40.97 -094.77 3 621 APR 8, 2001 110 21:49 0 1 1 41.13 -094.73 41.13 -094.72 3 1061 JUN 4, 2008 19:13 0 0 0 40.94 -094.92 40.96 -094.89 3 1063 JUN 4, 2008 19:24 0 0 1 40.97 -094.83 40.95 -094.65 3 1067 JUN 4, 2008 19:58 0 0 1 40.95 -094.60 41.00 -094.51 3 281746 MAR 22, 2011 3 16:33 0 0 0 41.12 -094.72 41.15 -094.68 3 290633 MAY 11, 2011 32 15:58 0 0 0 40.96 -094.48 40.96 -094.48 3 366995 APR 14, 2012 17:52 0 2 2 41.03 -094.48 41.14 -094.20 3,175

Allamakee County Tornadoes

223 MAY 4, 1964 12 18:10 0 0 2 43.22 -091.20 43.32 -091.07 5 534 OCT 14, 1966 38 14:00 0 0 ? 43.10 -091.60 00.00 0 5 869 NOV 9, 1975 35 19:00 0 0 1 43.22 -091.53 00.00 0 5 716 JLY 6, 1994 30 15:50 0 0 0 43.20 -091.15 00.00 0 5 793 JLY 19, 1994 43 21:23 0 0 1 43.28 -091.53 43.32 -091.35 5 374 JLY 2, 2000 36 15:35 0 0 0 43.37 -091.42 43.37 -091.37 5 649 MAY 8, 2002 16 19:10 0 0 0 43.25 -091.45 43.25 -091.45 5

Appanoose County Tornadoes

581 SEP 1, 1961 10 18:00 0 0 2 40.70 -092.68 00.00 0 7 411 JUN 14, 1964 28 14:30 0 0 2 40.67 -092.67 40.73 -092.45 7,51 466 JUN 12, 1967 45 18:15 0 0 1 42.90 -092.78 00.00 0 7 597 OCT 8, 1970 22 17:40 0 0 2 40.72 -092.83 00.00 0 7 409 JUN 2, 1980 11 7:00 0 3 1 40.67 -093.02 00.00 0 7 410 JUN 2, 1980 12 7:05 0 5 2 40.63 -092.92 40.72 -092.55 7,51 743 JUN 16, 1990 38 19:59 0 0 0 40.75 -092.98 00.00 0 7 744 JUN 16, 1990 39 20:17 0 0 0 40.73 -092.88 00.00 0 7 825 JLY 15, 1992 28 20:35 0 0 2 40.72 -092.83 40.67 -092.78 7 583 MAY 27, 1995 21 23:50 0 0 0 40.82 -092.88 00.00 0 7 172 MAY 9, 1996 4 0:50 0 0 1 40.88 -092.88 40.88 -092.88 7 1099 SEP 20, 2001 084 17:09 0 0 1 40.83 -092.73 40.83 -092.73 7 927 MAY 24, 2004 51 18:53 0 0 0 40.73 -092.87 40.73 -092.87 7 707 JUN 7, 2007 18 13:35 0 0 0 40.78 -093.05 40.78 -093.05 7 434 APR 10, 2008 15:57 0 0 1 40.67 -093.08 40.70 -093.07 7 435 APR 10, 2008 16:10 0 0 1 40.86 -093.00 40.90 -092.98 7

Audubon County Tornadoes

161 MAY 4, 1959 2 22:20 0 0 2 41.70 -094.92 41.75 -094.85 9 212 MAY 15, 1968 13 16:45 0 1 1 41.72 -094.93 00.00 0 9 766 SEP 23, 1977 35 17:00 0 0 ? 41.80 -094.93 00.00 0 9 643 JUN 21, 1984 46 17:20 0 0 0 41.67 -094.83 00.00 0 9 747 JLY 8, 1993 32 4:00 0 0 0 41.72 -095.00 00.00 0 9 933 MAY 16, 1999 29 16:33 0 0 0 41.72 -094.93 41.72 -094.93 9 1116 JLY 2, 1999 53 13:10 0 0 1 41.67 -094.95 41.67 -094.95 9 732 MAY 10, 2005 10 18:58 0 0 0 41.58 -095.07 41.58 -095.05 9 733 MAY 10, 2005 11 19:13 0 0 0 41.58 -095.08 41.60 -095.05 9 734 MAY 10, 2005 12 19:20 0 0 0 41.68 -094.92 41.70 -094.88 9 387 APR 15, 2006 27 19:43 0 0 0 41.70 -094.97 41.70 -094.97 9

Benton County Tornadoes

620 JUN 27, 1965 25 20:30 0 0 1 41.98 -092.07 00.00 0 11 432 JLY 14, 1970 15 16:30 0 0 1 42.22 -092.08 42.10 -091.92 11 305 MAY 18, 1971 7 15:08 0 0 3 41.90 -092.08 41.95 -092.02 11 306 MAY 18, 1971 8 15:12 0 0 3 42.00 -091.87 42.05 -091.80 11 587 AUG 5, 1972 16 20:10 0 0 1 41.92 -092.25 41.85 -092.03 11 773 AUG 12, 1975 26 21:30 0 0 1 41.88 -092.00 00.00 0 11 665 JUN 22, 1984 51 19:22 0 0 0 42.00 -091.98 00.00 0 11 821 JUN 28, 1990 53 13:47 0 0 0 42.00 -092.10 00.00 0 11 842 AUG 3, 1994 46 14:40 0 0 0 42.17 -091.97 00.00 0 11 466 JUN 29, 1996 16 20:35 0 0 0 42.27 -092.08 42.27 -092.08 11 110 APR 8, 2001 107 20:50 0 0 0 42.03 -092.32 42.03 -092.32 11 715 APR 11, 2001 57 16:20 0 0 0 42.22 -092.10 42.22 -092.10 11 170 JUN 12, 2002 19 11:16 0 0 0 41.98 -091.85 41.98 -091.85 11 598 JLY 20, 2003 22 21:17 0 0 1 42.28 -092.10 42.20 -091.98 11 364 MAY 21, 2004 17 15:05 0 0 0 41.98 -091.95 41.98 -091.95 11 365 MAY 21, 2004 18 15:07 0 0 0 42.20 -092.08 42.20 -092.08 11 366 MAY 21, 2004 19 15:13 0 0 1 42.00 -091.90 42.00 -091.87 11 368 MAY 21, 2004 21 15:44 0 0 0 42.15 -092.03 42.15 -092.03 11 375 MAY 30, 2004 58 14:28 0 0 0 42.25 -091.88 42.25 -091.88 11 353 APR 13, 2006 17 18:50 0 0 0 41.98 -092.05 41.97 -091.98 11 1304 JLY 2, 2008 16:10 0 0 1 42.01 -092.04 42.01 -092.01 11

Black Hawk County Tornadoes

268 MAY 7, 1964 18 17:30 0 27 2 42.52 -092.33 42.47 -092.20 13 275 MAY 7, 1964 21 18:35 0 0 1 42.50 -093.42 00.00 0 13 692 JLY 18, 1965 30 16:15 0 0 2 42.30 -092.20 00.00 0 13 766 AUG 26, 1965 38 19:00 1 17 4 42.30 -092.20 42.25 -092.10 13,11 337 JUN 27, 1966 19 19:00 0 0 1 42.53 -092.30 00.00 0 13 377 MAY 31, 1971 21 18:30 0 0 2 42.40 -092.45 00.00 0 13 321 MAY 7, 1973 12 18:50 0 0 0 42.40 -092.45 00.00 0 13 644 JUN 16, 1973 18 19:45 0 0 1 42.32 -092.50 00.00 0 13 580 JUN 12, 1976 6 19:30 0 2 2 42.53 -092.22 42.63 -092.17 13 591 JUN 13, 1976 13 16:00 0 0 2 42.42 -092.27 42.60 -092.13 13 417 MAY 19, 1984 6 15:25 0 0 0 42.48 -092.32 42.50 -092.27 13 421 JUN 21, 1985 11 18:44 0 0 0 42.67 -092.17 00.00 0 13 442 JLY 14, 1987 29 20:00 0 0 0 42.40 -092.08 00.00 0 13 455 JLY 18, 1987 31 23:35 0 0 1 42.47 -092.22 00.00 0 13 130 MAY 8, 1988 14 13:06 0 0 1 42.63 -092.10 42.63 -092.05 13,19 394 MAY 19, 1990 19 14:15 0 0 1 42.55 -092.32 00.00 0 13 814 JUN 27, 1990 49 15:45 0 0 0 42.45 -092.22 00.00 0 13 447 JUN 16, 1992 6 14:03 0 0 1 42.55 -092.40 42.62 -092.32 13 764 MAY 11, 2000 2 18:03 1 25 3 42.52 -092.45 42.60 -092.00 13,19 765 MAY 11, 2000 3 18:55 0 0 2 42.57 -092.23 42.60 -092.17 13 766 MAY 11, 2000 5 19:20 0 0 2 42.57 -092.17 42.50 -092.13 13 635 APR 11, 2001 52 16:07 0 0 1 42.32 -092.28 42.47 -092.22 13 49 APR 23, 2001 1 7:15 0 0 0 42.42 -092.25 42.42 -092.25 13 783 JUN 1, 2001 27 14:35 0 0 0 42.53 -092.45 42.53 -092.45 13 786 JUN 1, 2001 36 15:25 0 0 0 42.63 -092.52 42.63 -092.52 13 787 JUN 1, 2001 37 15:30 0 0 0 42.57 -092.13 42.57 -092.13 13 788 JUN 1, 2001 38 15:30 0 0 0 42.52 -092.45 42.52 -092.45 13 789 JUN 1, 2001 44 15:52 0 0 0 42.42 -092.22 42.42 -092.22 13 505 APR 18, 2002 9 18:08 0 0 0 42.30 -092.57 42.30 -092.57 13 901 MAY 21, 2004 15 14:21 0 0 0 42.45 -092.35 42.45 -092.35 13 766 JUN 21, 2007 23 16:22 0 0 0 42.50 -092.41 42.50 -092.41 13

Boone County Tornadoes

264 JUN 7, 1953 18 21:30 0 0 1 42.17 -094.07 42.18 -094.00 15,79 118 MAY 7, 1962 2 18:00 0 0 2 42.07 -093.90 42.12 -093.82 15 265 MAY 7, 1964 15 16:00 0 0 2 42.10 -093.90 00.00 0 15 492 JLY 7, 1964 40 6:30 0 0 2 42.17 -093.75 00.00 0 15 275 JUN 11, 1966 16 20:30 0 0 2 42.08 -093.87 00.00 0 15 519 JUN 16, 1967 49 18:30 0 0 1 42.10 -093.87 00.00 0 15 354 JUN 29, 1969 15 16:47 0 0 2 42.07 -093.88 00.00 0 15 584 JUN 13, 1976 8 14:10 0 9 5 41.93 -093.87 42.18 -093.60 15,169 585 JUN 13, 1976 9 14:25 0 0 2 42.03 -093.80 42.10 -093.75 15 586 JUN 13, 1976 10 14:40 0 0 3 42.08 -093.73 42.08 -093.70 15 218 MAY 4, 1977 13 20:30 0 0 ? 42.07 -093.88 00.00 0 15 836 OCT 16, 1980 40 17:30 0 0 1 42.17 -093.73 42.30 -093.63 15,79 69 APR 3, 1981 2 18:40 0 0 0 41.95 -094.17 42.02 -094.10 15 820 JLY 17, 1982 29 14:30 0 0 1 42.00 -093.97 00.00 0 15 140 APR 26, 1989 4 14:35 0 0 1 42.18 -093.92 00.00 0 15 121 MAR 13, 1990 14 19:25 0 0 2 42.03 -094.03 42.30 -093.77 15,79 123 MAR 13, 1990 15 19:35 0 0 1 42.18 -093.85 00.00 0 15 103 MAR 22, 1991 2 15:54 0 0 2 41.97 -094.10 42.03 -094.03 15 55 MAR 6, 1992 1 14:36 0 0 0 41.90 -094.03 00.00 0 15 436 JUN 8, 1993 8 9:45 0 0 0 42.13 -093.97 00.00 0 15 638 JUN 29, 1993 25 20:27 0 0 1 41.98 -093.95 41.83 -093.58 15,169,153 756 JLY 8, 1993 36 20:36 0 0 0 42.08 -093.88 00.00 0 15 469 JUN 6, 1994 11 19:35 0 0 0 42.15 -093.88 00.00 0 15 975 MAY 30, 1998 38 12:23 0 0 0 42.05 -093.87 42.05 -093.87 15 976 MAY 30, 1998 39 12:31 0 0 0 42.13 -093.97 42.13 -093.97 15 1115 JUN 29, 1998 62 12:20 0 085 2 41.92 -094.08 41.60 -093.60 15,49,153 774 MAY 30, 2000 18 18:28 0 0 0 41.88 -094.12 41.88 -094.12 15 974 JLY 26, 2000 40 14:15 0 0 0 42.08 -093.92 42.08 -093.92 15 626 APR 11, 2001 21 14:04 0 0 0 42.05 -094.02 42.05 -094.02 15 627 APR 11, 2001 23 14:06 0 0 1 42.07 -094.03 42.10 -094.00 15 628 APR 11, 2001 24 14:10 0 0 1 42.15 -094.03 42.20 -094.02 15 672 MAY 10, 2001 63 16:29 0 0 1 41.88 -093.77 41.88 -093.75 15 500 APR 17, 2002 4 22:45 0 0 0 41.88 -093.88 41.88 -093.88 15 1293 JUN 11, 2004 086 19:45 0 0 0 42.17 -093.95 42.17 -093.95 15 1294 JUN 11, 2004 087 20:01 0 0 0 42.12 -093.88 42.12 -093.88 15 1200 NOV 12, 2005 35 16:27 1 3 3 42.17 -094.08 42.35 -093.88 15,187,79 1203 NOV 12, 2005 39 16:48 0 0 1 41.93 -093.92 42.02 -093.78 15 1204 NOV 12, 2005 41 16:58 0 1 2 42.02 -093.70 42.13 -093.60 15,169

Bremer County Tornadoes

316 MAY 14, 1961 5 17:10 0 0 1 42.83 -092.10 00.00 0 17 301 MAY 29, 1962 10 18:10 0 0 ? 42.85 -092.10 00.00 0 17 563 AUG 20, 1964 41 15:45 0 0 0 42.70 -092.22 00.00 0 17 77 APR 19, 1966 4 19:20 0 0 2 42.85 -092.12 42.92 -092.12 17,65 555 SEP 9, 1970 19 15:00 0 0 2 42.85 -092.53 42.88 -092.48 17 624 JLY 12, 1971 31 19:00 0 0 2 42.83 -092.10 42.83 -092.05 17 568 JUN 4, 1973 13 14:15 0 0 1 42.77 -092.47 00.00 0 17 866 NOV 9, 1975 32 18:15 0 0 1 42.77 -092.13 42.80 -092.08 17 424 JUN 7, 1977 20 18:30 0 0 ? 42.85 -092.10 00.00 0 17 595 JLY 16, 1977 28 20:35 0 0 2 42.80 -092.48 42.80 -092.43 17 84 APR 10, 1981 10 19:12 0 0 2 42.83 -092.10 00.00 0 17 452 JLY 5, 1985 18 15:40 0 0 0 42.75 -092.25 00.00 0 17 132 MAY 8, 1988 16 13:15 0 0 1 42.67 -092.13 00.00 0 17 620 NOV 15, 1988 46 18:50 0 0 1 42.73 -092.48 00.00 0 17 860 JUN 14, 1991 42 23:15 0 0 0 42.80 -092.37 00.00 0 17 258 JUN 16, 1996 13 14:50 0 0 0 42.80 -092.48 42.88 -092.30 17 784 JUN 1, 2001 33 15:12 0 0 1 42.65 -092.47 42.67 -092.33 17 763 JUN 23, 2010 19 1:18 0 0 1 42.80 -092.31 42.80 -092.31 17 293108 MAY 22, 2011 38 14:13 0 0 0 42.79 -092.23 42.79 -092.23 17

Buchanan County Tornadoes

155 JLY 1, 1950 4 20:00 0 0 2 42.45 -091.92 00.00 0 19 193 APR 30, 1954 11 19:30 0 0 2 42.63 -091.63 00.00 0 19 309 MAY 14, 1961 4 11:30 0 2 1 42.55 -092.03 42.65 -091.97 19 266 MAY 7, 1964 16 17:10 0 1 3 42.60 -091.90 42.63 -091.85 19 234 APR 30, 1967 29 19:00 0 0 1 42.55 -092.05 00.00 0 19 308 MAY 18, 1967 34 17:30 0 0 ? 42.60 -091.63 00.00 0 19 773 JLY 6, 1982 28 19:20 0 0 1 42.48 -092.00 00.00 0 19 340 JLY 9, 1988 32 14:00 0 0 0 42.33 -092.05 00.00 0 19 139 APR 26, 1989 3 14:14 0 0 1 42.50 -091.95 00.00 0 19 529 JUN 2, 1990 22 11:43 0 0 2 42.40 -091.68 42.45 -091.50 19,55 999 AUG 29, 1990 71 14:00 0 0 0 42.47 -091.90 00.00 0 19 959 JLY 27, 1995 30 14:50 0 0 3 42.60 -091.68 42.45 -091.35 19,55 1278 JUN 18, 1998 42 14:30 0 0 2 42.48 -092.05 42.60 -091.63 19 1279 JUN 18, 1998 43 14:40 0 0 1 42.32 -092.00 42.47 -091.73 19 865 MAY 11, 2000 4 19:19 0 0 0 42.50 -091.98 42.50 -091.98 19 864 MAY 11, 2000 6 19:20 0 0 1 42.58 -091.95 42.58 -091.85 19 866 MAY 11, 2000 7 19:45 0 0 0 42.53 -091.78 42.58 -091.68 19 111 APR 23, 2001 2 7:26 0 3 1 42.47 -091.88 42.50 -091.83 19 856 MAY 10, 2001 55 16:14 0 0 0 42.62 -091.75 42.62 -091.75 19 993 JUN 1, 2001 45 15:55 0 0 1 42.50 -091.77 42.50 -091.73 19 994 JUN 1, 2001 46 15:58 0 0 0 42.62 -092.05 42.62 -092.05 19 995 JUN 1, 2001 48 16:01 0 0 0 42.47 -091.88 42.47 -091.88 19 996 JUN 1, 2001 51 16:06 0 0 0 42.47 -091.90 42.47 -091.88 19 997 JUN 1, 2001 53 16:11 0 0 0 42.58 -091.67 42.58 -091.67 19 998 JUN 1, 2001 64 16:29 0 0 0 42.43 -091.68 42.43 -091.68 19 999 JUN 1, 2001 68 16:34 0 0 0 42.40 -091.65 42.40 -091.65 19 1129 SEP 6, 2001 087 17:30 0 0 2 42.62 -091.73 42.62 -091.72 19 1128 SEP 6, 2001 088 17:35 0 0 0 42.57 -091.80 42.60 -091.75 19 377 MAY 30, 2004 60 14:50 0 0 0 42.32 -091.90 42.32 -091.90 19 378 MAY 30, 2004 061 14:51 0 0 0 42.42 -091.73 42.42 -091.73 19 377 AUG 11, 2005 31 19:46 0 0 0 42.50 -091.77 42.50 -091.72 19 924 MAY 25, 2008 17:05 0 3 3 42.60 -092.02 42.56 -091.39 19,55 927 MAY 25, 2008 17:40 0 0 1 42.53 -091.66 42.53 -091.59 19 1052 AUG 19, 2009 15:30 0 0 1 42.61 -091.82 42.63 -091.79 19

Buena Vista County Tornadoes

447 AUG 5, 1958 14 17:00 0 0 2 42.75 -095.17 42.50 -094.75 21,25 475 JLY 11, 1960 14 18:15 0 0 1 42.72 -095.20 42.67 -095.12 21 394 JUN 11, 1964 26 22:00 0 0 1 43.47 -095.20 00.00 0 21 493 AUG 8, 1969 27 22:00 0 0 2 42.62 -095.20 00.00 0 21 566 JLY 5, 1978 13 18:30 0 0 ? 42.87 -095.23 00.00 0 21 359 MAY 29, 1980 3 19:00 0 0 1 42.60 -094.97 42.58 -094.83 21,151 485 JUN 7, 1984 13 16:12 0 3 2 42.65 -095.20 42.70 -095.15 21 745 JUN 16, 1990 40 20:25 0 0 1 42.67 -095.35 00.00 0 21 452 JUN 5, 1994 8 3:20 0 0 1 42.60 -095.10 42.60 -095.02 21 266 MAY 28, 1998 27 14:25 0 0 0 42.78 -095.02 42.78 -094.98 21 265 MAY 28, 1998 28 14:26 0 0 0 42.85 -094.97 42.85 -094.97 21 1367 JUN 11, 2004 63 13:20 0 0 3 42.90 -095.03 42.98 -095.00 21,41 302081 APR 9, 2011 17 20:14 0 0 0 42.58 -095.09 42.58 -095.08 21 302257 APR 9, 2011 20 20:25 0 0 1 42.58 -094.94 42.59 -094.95 21 302269 APR 9, 2011 21 20:50 0 0 0 42.65 -095.35 42.65 -095.35 21 302267 APR 9, 2011 22 20:50 0 0 0 42.64 -095.34 42.64 -095.34 21

Butler County Tornadoes

146 MAY 23, 1952 1 13:00 0 0 2 42.75 -092.97 00.00 0 23 488 JLY 23, 1960 15 15:28 0 0 0 42.60 -092.77 00.00 0 23 580 SEP 1, 1961 9 18:00 0 7 4 42.78 -093.00 42.88 -092.47 23,17 554 SEP 9, 1970 18 14:42 0 0 2 42.90 -092.80 42.93 -092.75 23 685 OCT 3, 1972 24 15:00 0 0 0 42.90 -092.80 42.90 -092.78 23 497 JUN 4, 1975 20 2:40 0 0 2 42.85 -092.72 00.00 0 23 771 JLY 6, 1982 26 18:25 0 0 0 42.55 -092.62 00.00 0 23 661 JUN 22, 1984 50 18:15 0 0 0 42.67 -092.78 00.00 0 23 247 JUN 5, 1997 12 12:13 0 0 1 42.73 -092.97 42.57 -092.78 23 1108 JUN 27, 1998 59 21:23 0 0 2 42.58 -092.93 42.70 -092.48 23,17 1115 JLY 2, 1999 54 20:45 0 0 2 42.57 -092.88 42.53 -092.65 23,75 785 JUN 1, 2001 34 15:13 0 0 0 42.58 -092.73 42.58 -092.73 23 1098 SEP 6, 2001 73 16:39 0 0 2 42.68 -092.58 42.78 -092.42 23,17 82 MAY 26, 2005 17 15:28 0 0 0 42.87 -092.80 42.87 -092.80 23 762 JUN 21, 2007 19 14:51 0 0 0 42.63 -092.92 42.63 -092.92 23 764 JUN 21, 2007 21 15:24 0 0 0 42.71 -092.64 42.71 -092.64 23

Calhoun County Tornadoes

262 JUN 7, 1953 17 21:15 0 0 3 42.55 -094.70 42.85 -094.25 25,151,91 326 JUN 9, 1954 16 22:00 1 0 4 42.28 -094.72 42.38 -094.57 25 163 MAY 9, 1963 9 18:30 0 0 0 42.47 -094.62 00.00 0 25 218 MAY 5, 1965 6 16:15 0 0 4 42.30 -094.47 42.37 -094.28 25,187 325 MAY 15, 1965 11 11:45 0 0 2 42.38 -094.62 00.00 0 25 293 MAY 18, 1977 19 14:28 0 0 ? 42.32 -094.83 00.00 0 25 486 JUN 25, 1978 7 16:30 0 0 ? 42.25 -094.55 00.00 0 25 532 JUN 23, 1981 29 22:40 0 0 1 42.55 -094.68 00.00 0 25 577 JLY 28, 1986 33 19:47 0 0 2 42.55 -094.68 42.55 -094.62 25 547 AUG 17, 1987 34 15:54 0 0 0 42.28 -094.40 00.00 0 25 634 JUN 29, 1993 21 19:15 0 0 0 42.27 -094.55 00.00 0 25 971 MAY 28, 1998 34 19:56 0 0 0 42.27 -094.65 42.27 -094.65 25 974 MAY 30, 1998 37 11:40 0 0 0 42.28 -094.40 42.28 -094.40 25 364 JUN 23, 1998 53 21:15 0 0 0 42.48 -094.80 42.48 -094.80 25 357 JUN 1, 1999 34 15:55 0 0 0 42.40 -094.58 42.40 -094.58 25 1286 JUN 11, 2004 79 17:35 0 0 0 42.38 -094.43 42.38 -094.43 25 303 JLY 5, 2004 092 14:50 0 0 0 42.45 -094.63 42.45 -094.63 25 737 MAY 18, 2005 14 17:58 0 0 1 42.32 -094.42 42.42 -094.11 25,187 799 AUG 10, 2006 35 3:57 0 0 0 42.32 -094.67 42.32 -094.67 25 804 JLY 3, 2007 27 20:05 0 0 0 42.51 -094.79 42.51 -094.79 25 983 MAY 29, 2008 20:23 0 0 1 42.40 -094.45 42.40 -094.40 25 984 MAY 29, 2008 20:25 0 0 0 42.28 -094.43 42.28 -094.39 25

Carroll County Tornadoes

495 MAY 30, 1957 11 16:50 0 0 ? 42.18 -095.03 00.00 0 27 177 MAY 5, 1960 5 19:00 0 0 2 41.97 -094.80 42.05 -094.55 27,73 458 JUN 22, 1964 31 14:30 0 0 1 42.10 -090.17 00.00 0 27 446 JUN 6, 1971 23 21:00 0 0 1 42.10 -095.05 00.00 0 27 351 JUN 7, 1972 4 11:25 0 0 2 42.15 -094.98 00.00 0 27 352 JUN 7, 1972 5 11:30 0 0 2 42.07 -094.87 00.00 0 27 695 JLY 3, 1974 24 14:35 0 0 0 42.10 -094.85 00.00 0 27 758 AUG 11, 1976 17 14:15 0 0 2 42.07 -094.73 00.00 0 27 376 MAY 29, 1980 8 21:20 0 0 1 42.12 -094.93 00.00 0 27 422 MAY 27, 1983 13 17:17 0 0 1 41.97 -094.88 00.00 0 27 995 AUG 18, 1993 50 13:40 0 0 1 42.18 -095.03 00.00 0 27 565 MAY 27, 1995 13 18:22 0 0 4 42.07 -094.90 42.58 -094.83 27,161,25,151 575 MAY 27, 1995 17 19:28 0 0 2 41.87 -094.82 42.15 -094.70 27 405 JLY 16, 1996 18 23:58 0 0 0 41.87 -094.70 41.87 -094.70 27 973 MAY 28, 1998 36 21:36 0 0 0 42.07 -095.08 42.07 -095.02 27 406 JLY 6, 1998 68 18:27 0 0 0 41.87 -094.70 41.87 -094.70 27 164 JUN 18, 2001 102 20:25 0 0 0 42.05 -094.73 42.05 -094.73 27 499 APR 17, 2002 3 21:40 0 0 0 41.90 -094.68 41.90 -094.68 27 931 AUG 28, 2007 30 17:58 0 0 0 41.94 -094.82 41.94 -094.82 27 932 AUG 28, 2007 31 18:00 0 0 0 41.92 -094.68 41.92 -094.37 27,73 982 MAY 29, 2008 20:10 0 0 1 41.91 -094.91 41.92 -094.83 27 1363 JLY 19, 2008 18:39 0 0 1 41.91 -094.96 41.89 -094.81 27 304542 JUN 26, 2011 50 19:40 0 0 1 41.96 -094.98 41.96 -094.93 27

Cass County Tornadoes

236 MAY 29, 1956 4 23:00 0 0 2 41.35 -094.95 41.38 -094.88 29 82 APR 18, 1963 5 17:00 0 0 2 41.17 -094.83 00.00 0 29 94 APR 12, 1964 3 17:30 0 0 1 41.25 -094.73 00.00 0 29 124 APR 20, 1964 7 22:30 0 1 3 41.40 -095.05 41.40 -094.92 29 594 AUG 27, 1964 44 20:00 0 0 2 41.43 -095.03 00.00 0 29 457 MAY 25, 1965 17 21:40 0 0 2 41.40 -095.03 00.00 0 29 588 JUN 13, 1976 12 14:45 0 0 2 41.42 -095.13 41.62 -094.83 29,9 44 MAR 18, 1979 1 23:00 0 0 1 41.38 -095.03 00.00 0 29 564 JLY 27, 1979 30 18:30 0 0 1 41.40 -095.02 00.00 0 29 623 JLY 4, 1980 24 21:30 0 0 1 41.37 -094.93 41.40 -094.88 29 53 MAR 29, 1981 1 9:20 0 0 1 41.50 -095.03 00.00 0 29 277 MAY 23, 1981 15 15:30 0 0 0 41.45 -094.72 00.00 0 29 482 JUN 7, 1984 10 15:43 0 8 2 41.17 -095.07 41.45 -094.75 29 428 JUN 23, 1985 12 15:49 0 0 0 41.28 -095.15 00.00 0 29 429 JUN 23, 1985 13 16:06 0 0 0 41.22 -095.15 00.00 0 29 430 JUN 23, 1985 14 16:12 0 1 1 41.23 -095.17 00.00 0 29 678 JUN 12, 1990 25 14:20 0 0 1 41.45 -094.83 00.00 0 29 679 JUN 12, 1990 26 14:30 0 0 0 41.25 -094.78 00.00 0 29 819 JLY 15, 1992 25 17:41 0 0 0 41.27 -095.03 00.00 0 29 248 MAY 21, 1998 26 20:20 0 0 1 41.47 -094.77 41.47 -094.77 29 770 MAY 18, 2000 11 9:58 0 0 0 41.43 -094.77 41.45 -094.77 29 77 MAY 8, 2004 8 20:25 0 0 1 41.30 -095.03 41.25 -095.02 29 561 MAY 6, 2007 9 1:40 0 0 2 41.18 -094.98 41.25 -094.94 29 1099 JUN 5, 2008 19:12 0 0 0 41.29 -094.88 41.31 -094.87 29 95 MAR 23, 2009 19:10 0 0 0 41.23 -094.93 41.27 -094.91 29 96 MAR 23, 2009 19:23 0 0 0 41.37 -094.87 41.38 -094.86 29 624 JUN 7, 2009 16:17 0 0 0 41.43 -094.82 41.43 -094.82 29 279525 MAR 22, 2011 2 16:30 0 0 1 41.20 -094.75 41.23 -094.71 29

Cedar County Tornadoes

396 MAY 21, 1957 4 17:00 0 0 2 41.55 -091.00 41.60 -090.83 31,139,163 413 JUN 7, 1961 6 14:00 0 1 2 41.70 -090.97 41.77 -090.90 31 131 APR 11, 1965 1 12:55 1 3 4 41.85 -090.93 43.17 -090.47 31,45,97 346 APR 28, 1974 3 18:45 0 16 2 41.63 -091.35 41.65 -091.28 31 448 MAY 20, 1982 13 11:50 0 0 0 41.78 -091.35 00.00 0 31 449 MAY 20, 1982 14 11:50 0 0 0 41.88 -091.17 00.00 0 31 450 MAY 20, 1982 15 11:50 0 0 0 41.88 -091.05 00.00 0 31 451 MAY 20, 1982 16 11:50 0 0 0 41.90 -091.23 00.00 0 31 622 JLY 1, 1983 24 22:30 0 1 1 41.62 -091.27 41.78 -091.00 31 633 JUN 17, 1984 45 19:35 0 0 1 41.67 -091.08 00.00 0 31 668 JUN 22, 1984 53 20:55 0 0 0 41.85 -090.93 00.00 0 31 557 AUG 21, 1987 37 1:15 0 0 1 41.67 -091.35 00.00 0 31 59 APR 2, 1988 6 16:30 0 0 1 41.67 -091.27 00.00 0 31 144 MAY 8, 1988 27 14:37 0 0 2 41.70 -091.17 41.77 -091.07 31 71 MAR 8, 1990 2 17:40 0 0 0 41.77 -091.18 00.00 0 31 118 MAR 22, 1991 10 19:30 0 0 1 41.85 -090.92 00.00 0 31 1003 JLY 22, 1991 44 15:50 0 0 0 41.87 -091.05 00.00 0 31 1129 NOV 29, 1991 53 23:00 0 0 1 41.85 -090.93 00.00 0 31 290 MAY 9, 1995 5 15:11 0 0 2 41.82 -091.32 41.90 -091.27 31 961 JLY 27, 1995 31 15:55 0 0 0 41.87 -091.00 00.00 0 31 962 JLY 27, 1995 32 16:18 0 0 0 41.73 -090.98 00.00 0 31 975 JLY 27, 1995 40 18:51 0 0 2 41.65 -091.28 41.60 -091.12 31 681 AUG 22, 1996 22 15:30 0 0 0 41.85 -090.93 41.85 -090.93 31 691 APR 30, 1997 2 14:20 0 0 0 41.60 -090.97 41.60 -090.92 31 1281 JUN 18, 1998 45 15:41 0 0 0 41.90 -091.30 41.90 -091.30 31 601 JLY 20, 2003 26 22:24 0 0 1 41.90 -091.08 41.90 -091.03 31 665 JUN 1, 2007 14 11:44 0 0 1 41.68 -091.06 41.70 -091.06 31

Cerro Gordo County Tornadoes

548 AUG 28, 1960 22 17:00 0 0 1 43.10 -093.27 00.00 0 33 549 AUG 28, 1960 23 17:00 0 0 1 43.05 -093.22 00.00 0 33 224 APR 30, 1967 24 17:05 0 0 3 43.10 -093.42 43.18 -093.30 33 940 SEP 26, 1973 30 3:00 0 0 2 42.97 -093.48 00.00 0 33 9 FEB 23, 1977 1 14:10 0 1 1 43.15 -093.20 00.00 0 33 703 AUG 28, 1979 49 17:45 0 0 1 43.28 -093.00 00.00 0 33 354 MAY 29, 1980 2 16:30 0 0 2 43.18 -093.20 00.00 0 33 378 MAY 30, 1980 9 10:20 0 0 1 43.10 -093.35 00.00 0 33 613 JUN 16, 1984 37 18:25 0 2 1 42.98 -093.18 42.93 -093.07 33 655 JUN 22, 1984 47 17:45 0 0 1 42.98 -093.18 42.82 -092.95 33,23 29 MAR 24, 1988 1 14:45 0 0 1 43.20 -093.38 00.00 0 33 946 AUG 2, 1990 63 16:26 0 0 1 43.13 -093.38 43.13 -093.32 33 236 MAY 16, 1992 4 16:28 0 0 0 42.92 -093.48 00.00 0 33 784 JLY 10, 1993 41 12:42 0 0 0 42.92 -093.48 00.00 0 33 713 JLY 6, 1994 28 13:30 0 0 1 43.13 -093.13 43.05 -092.95 33,67 691 JUN 6, 1995 25 18:21 0 0 1 43.20 -093.40 43.15 -093.27 33 1106 JUN 27, 1998 56 18:46 0 0 2 42.98 -093.43 43.07 -093.38 33 1107 JUN 27, 1998 58 19:22 0 0 2 42.98 -093.33 43.07 -093.08 33 987 JUN 6, 1999 42 15:46 0 0 0 43.10 -093.20 43.10 -093.20 33 1327 AUG 9, 1999 59 21:01 0 0 0 43.07 -093.32 43.07 -093.32 33 673 JUN 21, 2002 24 12:18 0 0 1 42.95 -093.13 42.90 -092.88 33,23 499 JLY 4, 2003 15 1:08 0 0 0 43.15 -093.20 43.15 -093.20 33 21 APR 17, 2004 1 20:40 0 0 0 43.15 -093.13 43.15 -093.13 33 644 MAR 30, 2005 5 13:39 0 0 0 43.10 -093.13 43.12 -093.12 33 642 MAR 30, 2005 6 13:42 0 0 0 43.15 -093.18 43.15 -093.18 33 643 MAR 30, 2005 7 13:42 0 0 0 43.10 -093.13 43.15 -093.10 33 230 JLY 3, 2005 28 17:35 0 0 0 43.25 -093.03 43.25 -093.03 33 1143 JUN 7, 2008 16:42 0 0 0 43.24 -093.34 43.24 -093.32 33

Cherokee County Tornadoes

172 JUN 23, 1952 4 18:30 0 4 4 42.75 -095.85 42.90 -095.42 35 50 APR 1, 1958 3 14:50 0 0 2 42.73 -095.70 42.85 -095.63 35 163 MAY 18, 1958 6 13:30 0 0 0 42.82 -095.70 00.00 0 35 527 AUG 19, 1960 19 11:00 0 0 0 42.83 -095.55 00.00 0 35 49 MAR 16, 1963 3 13:30 0 0 2 42.78 -095.43 00.00 0 35 431 JLY 28, 1966 25 1:00 0 0 ? 42.75 -095.57 00.00 0 35 49 APR 3, 1968 4 15:20 0 0 1 42.87 -095.85 00.00 0 35 768 SEP 23, 1977 36 17:30 0 0 ? 42.78 -095.43 00.00 0 35 764 AUG 18, 1980 32 22:15 0 0 1 42.68 -095.63 00.00 0 35 800 SEP 5, 1983 29 17:20 0 0 1 42.85 -095.80 00.00 0 35 478 JUN 7, 1984 8 15:14 0 0 2 42.65 -095.73 42.77 -095.58 35 622 JUN 17, 1984 41 16:29 0 0 0 42.68 -095.70 00.00 0 35 511 AUG 4, 1985 20 18:02 0 0 1 42.75 -095.67 00.00 0 35 404 JLY 8, 1987 23 15:05 0 0 0 42.82 -095.45 00.00 0 35 394 JLY 27, 1997 21 11:37 0 0 0 42.75 -095.55 42.75 -095.55 35 226 JUN 13, 2001 109 21:18 0 0 0 42.63 -095.63 42.63 -095.63 35 406 AUG 17, 2001 081 17:00 0 0 0 42.70 -095.72 42.70 -095.72 35 761 JUN 22, 2010 17 22:10 0 0 0 42.81 -095.81 42.82 -095.79 35 302126 APR 9, 2011 18 20:20 0 0 1 42.61 -095.54 42.62 -095.44 35

Chickasaw County Tornadoes

367 JLY 17, 1956 5 15:00 0 1 2 43.07 -092.27 43.03 -092.22 37 469 MAY 25, 1957 5 15:30 0 0 0 42.95 -092.20 00.00 0 37 641 OCT 12, 1961 12 18:20 0 0 1 42.93 -092.53 00.00 0 37 642 OCT 12, 1961 13 19:00 0 0 1 42.97 -092.20 00.00 0 37 132 APR 11, 1965 2 13:15 0 0 1 42.93 -092.20 43.28 -091.33 37,65,5 330 MAY 15, 1965 13 15:30 0 0 1 43.10 -092.30 00.00 0 37 701 AUG 28, 1981 30 16:15 0 0 0 42.95 -092.53 00.00 0 37 608 JUN 29, 1983 23 16:38 0 0 1 43.08 -092.47 00.00 0 37 845 OCT 16, 1984 061 18:30 0 0 1 43.07 -092.17 00.00 0 37 348 MAY 24, 1989 19 19:45 0 0 1 43.07 -092.23 43.12 -092.02 37,191 883 JUN 18, 1991 43 20:10 0 0 1 43.07 -092.27 43.00 -092.23 37 755 JLY 8, 1993 35 20:25 0 0 0 43.18 -092.33 00.00 0 37 956 AUG 9, 1993 47 16:40 0 2 2 43.07 -092.45 43.07 -092.33 37 730 JLY 7, 1994 33 17:52 0 0 2 42.97 -092.48 43.07 -092.27 37 787 JLY 19, 1994 37 19:20 0 0 0 43.22 -092.40 00.00 0 37 788 JLY 19, 1994 38 19:20 0 0 0 43.17 -092.28 00.00 0 37 868 JLY 5, 1995 27 12:39 0 0 1 43.03 -092.33 43.02 -092.17 37 312 JUN 13, 2000 29 14:15 0 0 0 42.98 -092.20 42.98 -092.18 37 648 MAY 8, 2002 15 17:58 0 0 0 43.03 -092.43 43.03 -092.43 37 179 JUN 21, 2002 23 17:15 0 0 0 43.05 -092.50 43.05 -092.48 37 535 JLY 7, 2003 16 3:06 0 0 0 43.05 -092.37 43.05 -092.33 37 1064 AUG 19, 2009 14:09 0 0 0 42.93 -092.15 42.95 -092.14 37

Clarke County Tornadoes

468 JUN 22, 1964 36 19:00 0 0 2 40.93 -093.98 41.05 -093.78 39 822 SEP 20, 1965 44 18:30 0 0 2 41.05 -093.77 41.05 -093.68 39 411 JUN 9, 1967 43 23:00 0 0 2 41.05 -093.78 41.13 -093.67 39 186 APR 19, 1973 5 20:00 0 0 2 41.10 -093.83 00.00 0 39 636 JUN 16, 1973 16 17:45 0 0 0 41.08 -093.93 00.00 0 39 332 MAY 7, 1975 11 19:30 0 0 2 41.03 -093.78 00.00 0 39 384 JUN 7, 1981 22 18:18 0 0 1 41.03 -093.78 00.00 0 39 536 JLY 13, 1986 28 22:47 0 0 2 41.02 -093.82 00.00 0 39 925 MAY 25, 2008 17:25 0 0 1 40.94 -093.69 40.98 -093.57 39 989 MAY 30, 2008 3:13 0 0 1 41.06 -094.01 41.09 -093.84 39 1107 JUN 5, 2008 22:49 0 0 1 40.94 -093.75 41.04 -093.69 39

Clay County Tornadoes

139 APR 26, 1954 6 17:23 0 0 2 43.05 -095.30 42.97 -095.17 41 481 AUG 22, 1954 18 15:30 0 0 1 43.15 -095.32 00.00 0 41 105 APR 19, 1955 4 21:00 0 0 1 43.12 -095.15 43.15 -095.12 41 476 MAY 29, 1957 7 11:50 0 0 ? 43.10 -095.32 00.00 0 41 300 MAY 28, 1959 18 6:15 0 0 1 43.03 -095.20 00.00 0 41 302 MAY 28, 1959 20 6:30 0 0 2 43.20 -095.02 00.00 0 41 50 MAR 16, 1963 4 13:30 0 0 1 43.12 -095.23 43.17 -095.15 41 496 JUN 4, 1975 19 0:30 0 0 2 43.03 -095.15 00.00 0 41 811 SEP 20, 1980 37 16:30 0 0 3 43.15 -095.15 00.00 0 41 488 JUN 7, 1984 16 16:23 0 0 1 43.17 -095.33 00.00 0 41 489 JUN 7, 1984 17 16:30 0 0 2 43.15 -095.15 00.00 0 41 329 MAY 30, 1985 8 18:38 0 0 0 43.05 -095.15 00.00 0 41 574 JLY 28, 1986 30 18:35 0 0 1 43.03 -095.28 00.00 0 41 699 SEP 28, 1986 40 18:05 0 0 1 43.15 -095.32 00.00 0 41 987 AUG 24, 1990 69 14:45 0 0 0 43.15 -094.92 00.00 0 41 198 MAY 21, 2004 23 16:12 0 0 1 43.05 -095.27 43.05 -095.25 41 281 JUN 11, 2004 64 13:49 0 0 1 42.97 -094.97 42.98 -094.95 41 282 JUN 11, 2004 66 14:01 0 0 0 43.13 -094.97 43.13 -094.97 41 285 JUN 11, 2004 67 14:01 0 0 1 43.08 -094.95 43.08 -094.97 41 283 JUN 11, 2004 68 14:03 0 0 0 43.10 -094.98 43.10 -094.98 41 284 JUN 11, 2004 69 14:05 0 0 0 43.13 -094.93 43.13 -094.93 41 286 JUN 11, 2004 70 14:05 0 0 2 43.13 -095.38 43.20 -095.30 41 287 JUN 11, 2004 71 14:15 0 0 1 43.17 -095.32 43.20 -095.30 41 288 JUN 11, 2004 72 14:34 0 0 1 43.18 -095.20 43.22 -095.17 41 759 JLY 26, 2006 33 17:15 0 0 0 43.17 -095.27 43.17 -095.27 41 761 JLY 26, 2006 34 17:25 0 0 0 43.15 -095.22 43.15 -095.22 41 1177 JUN 11, 2008 17:40 0 0 2 43.01 -095.28 43.16 -095.11 41 1181 JUN 11, 2008 18:11 0 0 0 43.16 -095.02 43.16 -095.02 41 1188 JUN 11, 2008 18:25 0 0 0 42.98 -094.99 42.98 -094.98 41 490 MAY 8, 2009 12:40 0 0 0 43.06 -094.98 43.06 -094.98 41 374957 APR 21, 2012 15:27 0 0 0 43.10 -095.12 43.09 -095.09 41 374959 APR 21, 2012 15:43 0 0 0 43.00 -094.95 43.00 -094.94 41 382290 MAY 1, 2012 20:40 0 0 0 43.13 -095.37 43.12 -095.32 41

Clayton County Tornadoes

158 MAY 10, 1953 10 18:00 0 0 3 42.95 -091.33 43.05 -091.28 43 760 AUG 25, 1965 35 19:15 0 0 2 43.07 -091.38 43.02 -091.30 43 330 MAY 30, 1985 9 21:22 2 25 3 42.85 -091.53 42.88 -091.13 43 to WI 43 633 NOV 15, 1988 49 21:22 0 0 0 42.90 -091.23 00.00 0 43 350 MAY 24, 1989 20 20:30 0 0 0 42.97 -091.43 00.00 0 43 614 JUN 26, 1989 23 9:30 0 1 0 42.78 -091.10 00.00 0 43 695 JUN 13, 1990 32 17:20 0 0 2 42.85 -091.40 42.88 -091.25 43 565 JUN 19, 1992 14 16:12 0 0 0 42.85 -091.45 00.00 0 43 567 JUN 19, 1992 15 16:27 0 0 1 42.78 -091.40 00.00 0 43 401 MAY 25, 1994 6 19:05 0 0 1 42.80 -091.27 42.77 -091.17 43 123 MAY 10, 2001 80 17:00 0 0 0 42.68 -091.43 42.70 -091.40 43

Clinton County Tornadoes

17 JAN 24, 1967 9 16:45 0 0 2 41.80 -090.83 00.00 0 45 20 JAN 24, 1967 12 17:15 0 0 2 41.87 -090.37 00.00 0 45 21 JAN 24, 1967 13 17:15 0 0 2 41.95 -090.33 00.00 0 45 579 AUG 1, 1972 15 20:15 0 0 0 42.02 -090.75 00.00 0 45 637 JUN 20, 1974 22 16:45 1 20 3 41.98 -090.27 41.83 -090.20 45 870 NOV 9, 1975 36 19:15 0 4 2 41.90 -090.88 42.07 -090.67 45,97 909 DEC 14, 1975 37 4:35 0 0 1 42.00 -090.78 42.05 -090.62 45,97 269 MAY 16, 1977 18 18:15 0 0 ? 42.00 -090.40 00.00 0 45 610 AUG 5, 1979 38 17:25 0 1 1 41.87 -090.38 41.83 -090.35 45 141 APR 12, 1984 1 11:20 0 0 0 41.88 -090.58 00.00 0 45 256 MAY 14, 1985 6 17:05 0 0 1 41.83 -090.85 00.00 0 45 499 JLY 29, 1987 32 15:30 0 0 1 41.78 -090.28 00.00 0 45 423 AUG 8, 1988 38 15:30 0 0 0 41.87 -090.20 00.00 0 45 120 MAR 22, 1991 12 20:00 0 0 2 41.88 -090.85 41.97 -090.75 45 964 JLY 27, 1995 34 16:28 0 0 2 41.93 -090.75 41.82 -090.60 45 965 JLY 27, 1995 35 16:42 0 0 2 41.75 -090.78 41.72 -090.72 45 966 JLY 27, 1995 36 16:49 0 0 2 41.82 -090.62 41.80 -090.22 45 to IL 195 967 JLY 27, 1995 37 16:54 0 0 0 41.80 -090.57 00.00 0 45 449 APR 19, 1996 3 19:17 0 0 0 42.03 -090.40 42.03 -090.40 45 364 MAY 10, 1996 8 1:40 0 0 1 41.83 -090.20 41.83 -090.20 45 133 APR 30, 1997 3 15:40 0 0 0 41.97 -090.37 41.97 -090.33 45 130 APR 30, 1997 5 15:45 0 0 0 41.83 -090.20 41.83 -090.20 45 699 APR 30, 1997 6 15:45 0 0 0 41.93 -090.78 41.93 -090.88 45 109 APR 15, 2001 25 14:15 0 0 0 41.95 -090.80 41.95 -090.80 45 70 APR 20, 2004 5 18:08 0 0 1 41.95 -090.68 41.97 -090.67 45 1332 JLY 10, 2008 13:10 0 0 0 41.93 -090.71 41.90 -090.66 45 1333 JLY 10, 2008 13:42 0 0 0 41.85 -090.54 00.00 0 45 1398 AUG 4, 2008 16:47 0 0 0 42.01 -090.46 41.92 -090.37 45 537 JUN 5, 2010 5 19:00 0 0 0 42.00 -090.37 42.00 -090.36 45

Crawford County Tornadoes

155 JUN 2, 1952 3 18:30 0 1 2 41.90 -095.40 41.88 -095.33 47 663 JLY 4, 1957 16 2:28 0 1 1 42.20 -095.20 00.00 0 47 784 SEP 7, 1965 39 1:00 0 0 2 42.03 -095.17 00.00 0 47 350 JUN 28, 1969 14 11:00 0 0 2 42.00 -095.20 42.05 -095.13 47 456 JLY 26, 1969 24 16:30 0 0 2 42.12 -095.32 42.08 -095.10 47 174 APR 19, 1973 2 17:00 0 0 1 42.20 -095.30 00.00 0 47 327 MAY 7, 1975 7 17:30 0 0 2 41.82 -095.50 00.00 0 47 186 APR 26, 1986 4 21:05 0 0 0 42.02 -095.43 00.00 0 47 579 JLY 28, 1986 34 20:05 0 0 0 42.07 -095.60 00.00 0 47 122 MAY 7, 1988 7 19:45 0 0 0 42.05 -095.60 00.00 0 47 988 AUG 24, 1990 70 19:42 0 0 1 41.88 -095.32 00.00 0 47 331 APR 26, 1991 16 19:00 0 0 3 42.02 -095.35 42.28 -095.10 47,161 637 JUN 29, 1993 24 20:15 0 0 0 42.07 -095.60 00.00 0 47 754 JLY 8, 1993 34 19:45 0 0 0 41.98 -095.25 00.00 0 47 572 MAY 27, 1995 16 19:01 0 0 1 42.05 -095.15 00.00 0 47 963 MAY 15, 1998 13 15:00 0 0 1 42.00 -095.33 42.02 -095.28 47 964 MAY 15, 1998 14 15:00 0 0 0 42.02 -095.35 42.02 -095.35 47 972 MAY 28, 1998 35 20:20 0 0 0 42.08 -095.60 42.08 -095.60 47 1111 JUN 29, 1998 061 11:52 0 0 2 41.92 -095.50 41.93 -095.28 47 930 MAY 16, 1999 23 15:04 0 0 0 42.15 -095.60 42.15 -095.60 47 931 MAY 16, 1999 24 15:15 0 0 1 42.02 -095.43 42.02 -095.38 47 932 MAY 16, 1999 26 15:30 0 0 0 42.13 -095.60 42.13 -095.60 47 780 JUN 1, 2001 13 12:25 0 0 0 42.03 -095.38 42.03 -095.38 47 781 JUN 1, 2001 16 12:40 0 0 0 42.07 -095.60 42.07 -095.60 47 782 JUN 1, 2001 17 12:50 0 0 0 41.88 -095.33 41.88 -095.33 47 330 AUG 17, 2001 095 19:18 0 0 1 41.92 -095.40 41.83 -095.32 47 231 JLY 24, 2005 29 18:05 0 0 0 42.17 -095.22 42.17 -095.22 47 978 MAY 29, 2008 19:37 0 0 0 41.92 -095.52 41.92 -095.50 47 980 MAY 29, 2008 19:46 0 0 1 42.02 -095.30 42.04 -095.26 47 1186 JUN 11, 2008 18:21 0 0 0 42.02 -095.59 42.03 -095.57 47 283460 APR 9, 2011 10 18:37 0 0 1 42.20 -095.65 42.20 -095.64 47

Dallas County Tornadoes

59 APR 4, 1955 2 16:10 0 0 2 41.77 -093.98 41.93 -093.92 49,15 188 MAY 5, 1960 6 21:30 0 0 1 41.67 -093.95 00.00 0 49 464 JUN 22, 1964 32 18:30 0 0 2 41.60 -093.78 41.65 -093.97 49 161 MAY 17, 1966 6 1:00 0 0 2 41.70 -094.27 00.00 0 49 429 JLY 26, 1966 24 15:15 0 0 ? 41.55 -094.10 00.00 0 49 545 JUN 14, 1975 21 12:33 0 0 1 41.52 -093.90 41.52 -093.78 49 249 APR 14, 1976 1 20:15 0 0 2 41.77 -094.02 41.80 -093.92 49 583 JUN 13, 1976 7 13:58 0 0 3 41.72 -094.10 41.98 -094.02 49,15 446 JUN 28, 1979 26 20:40 0 0 1 41.67 -094.20 41.53 -094.02 49 494 JLY 10, 1979 27 19:25 0 0 0 41.60 -093.90 00.00 0 49 690 JUN 17, 1982 25 17:00 0 0 0 41.83 -094.12 00.00 0 49 254 MAY 6, 1983 10 18:56 0 0 1 41.55 -094.10 00.00 0 49 442 JUN 26, 1985 17 14:37 0 0 0 41.62 -094.13 00.00 0 49 220 MAY 9, 1986 9 18:36 0 0 0 41.60 -093.83 41.58 -093.78 49,153 221 MAY 9, 1986 10 18:40 0 0 0 41.58 -093.85 00.00 0 49 222 MAY 9, 1986 11 18:48 0 0 0 41.57 -093.83 00.00 0 49 223 MAY 9, 1986 12 18:55 0 0 0 41.62 -093.83 00.00 0 49 224 MAY 9, 1986 13 19:09 0 0 0 41.62 -093.83 41.62 -093.77 49,153 225 MAY 9, 1986 14 19:12 0 0 0 41.62 -093.88 00.00 0 49 226 MAY 9, 1986 15 19:40 0 0 0 41.85 -093.92 00.00 0 49 208 MAY 31, 1987 16 15:40 0 0 0 41.73 -094.03 00.00 0 49 120 MAR 13, 1990 13 19:20 0 0 0 41.62 -093.95 00.00 0 49 757 JLY 8, 1993 37 20:48 0 0 1 41.85 -094.02 41.85 -093.87 49 425 AUG 14, 1997 22 23:57 0 0 0 41.87 -093.93 41.87 -093.93 49 1112 JUN 29, 1998 63 12:43 0 0 1 41.55 -094.05 41.53 -094.02 49 936 MAY 16, 1999 30 18:36 0 0 0 41.83 -094.15 41.83 -094.15 49 775 MAY 30, 2000 19 18:46 0 0 0 41.83 -093.93 41.83 -093.93 49 776 MAY 30, 2000 20 18:59 0 0 0 41.77 -093.88 41.77 -093.88 49 904 JUN 12, 2000 26 16:03 0 0 0 41.73 -094.25 41.73 -094.25 49 905 JUN 12, 2000 27 16:30 0 0 0 41.72 -094.10 41.72 -094.10 49 619 APR 8, 2001 101 20:25 0 0 0 41.62 -093.90 41.62 -093.90 49 909 MAY 22, 2004 30 18:45 0 0 0 41.52 -094.15 41.52 -094.15 49 910 MAY 22, 2004 31 18:55 0 0 1 41.62 -094.10 41.57 -094.02 49 912 MAY 22, 2004 33 19:13 0 0 0 41.62 -094.00 41.62 -094.00 49 916 MAY 22, 2004 38 19:27 0 0 0 41.70 -094.00 41.70 -094.00 49 1201 NOV 12, 2005 36 16:26 0 2 2 41.76 -094.05 41.87 -093.91 49,15 193 MAR 30, 2006 4 18:04 0 0 0 41.55 -094.02 41.55 -094.02 49 986 MAY 29, 2008 22:06 0 0 0 41.76 -094.07 00.00 0 49 988 MAY 29, 2008 23:50 0 0 1 41.63 -094.13 41.64 -094.06 49 625 JUN 7, 2009 17:33 0 0 0 41.64 -093.96 41.64 -093.93 49

Davis County Tornadoes

826 SEP 20, 1965 46 20:00 0 0 2 40.72 -092.60 40.83 -092.47 51 7 JAN 24, 1967 1 15:00 0 0 4 40.58 -092.27 40.68 -092.23 51 from MO 197,199 202 APR 20, 1973 7 16:00 0 0 0 40.70 -092.30 00.00 0 51 199 MAY 4, 1977 3 13:58 0 0 1 40.72 -092.37 40.75 -092.28 51 378 JUN 20, 1979 16 0:20 0 0 0 40.78 -092.42 40.83 -092.37 51 76 APR 14, 1987 1 13:05 0 0 1 40.90 -092.32 40.93 -092.40 51,179 128 MAY 8, 1988 12 12:47 0 0 2 40.75 -092.48 41.38 -091.40 51,179,101,183,115 143 APR 27, 1989 7 17:50 0 0 2 40.80 -092.27 41.93 -091.42 51,177 78 MAR 13, 1990 4 15:32 0 0 1 40.65 -092.37 40.85 -092.28 51 165 MAY 9, 1996 5 1:40 0 0 1 40.70 -092.30 40.70 -092.27 51 819 APR 8, 1999 17 17:15 0 0 3 40.75 -092.42 40.93 -092.20 51,179 211 APR 2, 2006 5 14:47 0 0 0 40.72 -092.45 40.72 -092.45 51 212 APR 2, 2006 6 14:57 0 0 0 40.75 -092.27 40.75 -092.27 51 601 JUN 6, 2006 30 16:12 0 0 0 40.80 -092.35 40.80 -092.35 51 524 APR 25, 2008 12:35 0 0 0 40.85 -092.42 40.85 -092.40 51 1212 JUN 12, 2008 15:55 0 0 0 40.62 -092.50 40.63 -092.48 51

Decatur County Tornadoes

702 JLY 21, 1957 17 11:00 0 0 ? 40.75 -093.80 00.00 0 53 294 JUN 22, 1958 9 15:00 0 0 1 40.80 -093.58 00.00 0 53 202 APR 23, 1961 2 8:25 0 2 2 40.72 -093.73 40.68 -092.42 53,185,7,51 465 JUN 22, 1964 33 18:40 0 0 2 40.73 -093.75 00.00 0 53 567 AUG 20, 1964 42 21:00 0 0 0 40.67 -093.93 00.00 0 53 331 MAY 7, 1975 10 19:00 0 0 2 40.82 -093.83 00.00 0 53 417 JUN 2, 1980 13 15:25 0 0 4 40.62 -093.92 40.58 -093.32 53,185 495 JUN 7, 1984 23 17:55 2 063 4 40.57 -093.90 41.58 -091.85 53,185,117,135,123,107,95 from MO 81 236 MAY 10, 1986 17 18:52 0 0 0 40.82 -093.60 00.00 0 53 512 JLY 8, 1986 26 20:15 0 0 0 40.65 -093.98 00.00 0 53 513 JLY 8, 1986 27 21:45 0 0 0 40.80 -093.98 00.00 0 53 537 JLY 13, 1986 29 23:20 0 0 1 40.88 -093.58 00.00 0 53 579 MAY 27, 1995 19 21:04 0 0 3 40.58 -093.98 40.93 -093.68 53,39 from MO 81 171 MAY 27, 1996 12 14:34 0 0 0 40.82 -093.95 40.82 -093.95 53 620 APR 8, 2001 104 20:38 0 0 0 40.62 -094.03 40.62 -094.03 53

Delaware County Tornadoes

594 NOV 15, 1960 25 15:20 0 0 2 42.47 -091.47 42.57 -091.30 55 225 MAY 4, 1964 13 18:15 0 2 2 42.33 -091.25 42.38 -091.17 55 288 JUN 15, 1966 18 16:30 0 0 0 42.62 -091.30 00.00 0 55 346 JUN 26, 1969 12 20:30 0 0 2 42.37 -091.57 42.65 -091.20 55 625 JLY 12, 1971 32 21:10 0 2 3 42.30 -091.52 42.30 -091.47 55 800 AUG 12, 1974 26 16:20 0 12 4 42.35 -091.48 00.00 0 55 261 MAY 16, 1977 17 15:00 0 0 ? 42.43 -091.27 00.00 0 55 535 AUG 14, 1985 25 12:15 0 0 0 42.37 -091.37 00.00 0 55 592 AUG 24, 1985 26 11:15 0 0 0 42.55 -091.53 00.00 0 55 611 AUG 7, 1986 36 17:45 0 3 1 42.37 -091.48 00.00 0 55 136 MAY 8, 1988 20 14:15 0 0 0 42.48 -091.27 00.00 0 55 140 MAY 8, 1988 24 14:22 0 0 0 42.53 -091.35 00.00 0 55 631 NOV 15, 1988 48 21:05 0 0 2 42.48 -091.47 42.60 -091.38 55 117 MAR 22, 1991 9 19:25 0 1 2 42.35 -091.53 42.58 -091.35 55 119 MAR 22, 1991 11 20:00 0 0 0 42.35 -091.25 00.00 0 55 210 APR 8, 1991 14 14:30 0 0 0 42.57 -091.18 00.00 0 55 522 MAY 14, 1991 28 12:31 0 0 0 42.43 -091.48 00.00 0 55 523 MAY 14, 1991 29 12:35 0 0 1 42.33 -091.45 42.47 -091.15 55 549 JUN 19, 1993 15 14:56 0 0 3 42.42 -091.53 42.53 -091.45 55 857 MAY 10, 2001 72 16:38 0 0 0 42.63 -091.55 42.63 -091.55 55 992 JUN 1, 2001 54 16:12 0 0 0 42.50 -091.48 42.50 -091.48 55 467 AUG 26, 2004 110 21:51 0 0 1 42.35 -091.25 42.38 -091.22 55 241 MAR 31, 2007 3 16:29 0 0 1 42.55 -091.35 42.67 -091.27 55,43 931 MAY 25, 2008 18:31 0 0 1 42.54 -091.27 42.51 -091.11 55,61

Des Moines County Tornadoes

84 APR 18, 1963 7 17:26 0 0 1 40.83 -091.30 40.98 -091.10 57 758 AUG 25, 1965 33 18:00 0 1 3 40.87 -091.30 00.00 0 57 195 MAY 23, 1966 9 16:00 0 0 2 40.97 -091.18 41.02 -091.12 57 639 JUN 16, 1973 17 18:45 0 0 0 40.82 -091.12 00.00 0 57 411 MAY 13, 1974 5 21:30 0 0 1 40.90 -091.27 00.00 0 57 414 MAY 13, 1974 8 22:00 0 0 2 41.00 -091.15 00.00 0 57 201 MAY 4, 1977 5 14:56 0 0 2 40.87 -091.30 00.00 0 57 227 MAY 5, 1977 16 16:45 0 0 ? 40.83 -091.27 40.88 -091.00 57 626 JLY 5, 1980 26 0:26 0 0 1 40.87 -091.30 00.00 0 57 628 JLY 5, 1980 27 0:45 0 0 1 40.82 -091.08 00.00 0 57 957 DEC 2, 1982 34 0:13 0 0 1 41.07 -091.30 00.00 0 57 602 JUN 29, 1983 18 10:58 0 27 1 40.80 -091.12 41.00 -091.18 57 139 MAY 8, 1988 23 14:20 0 0 1 40.97 -091.28 00.00 0 57 293771 MAY 25, 2011 41 15:45 0 0 1 40.77 -091.23 40.84 -091.19 57 293774 MAY 25, 2011 42 16:00 0 0 1 40.91 -091.18 40.96 -091.18 57

Dickinson County Tornadoes

320 MAY 25, 1960 8 16:30 0 0 1 43.42 -095.10 00.00 0 59 474 JLY 11, 1960 13 17:25 0 0 2 43.40 -095.10 00.00 0 59 502 JLY 7, 1962 12 19:15 0 0 1 43.40 -095.10 00.00 0 59 454 AUG 6, 1966 27 18:10 0 0 ? 43.42 -095.12 00.00 0 59 547 JUN 27, 1967 52 16:30 0 0 1 43.32 -094.98 00.00 0 59 345 JUN 13, 1968 17 18:30 0 17 2 43.38 -095.10 43.43 -095.02 59 367 MAY 31, 1971 17 14:05 0 0 3 43.37 -095.32 43.47 -095.22 59 428 MAY 22, 1975 14 18:30 0 0 1 43.38 -095.20 00.00 0 59 429 MAY 22, 1975 15 19:30 0 0 1 43.27 -094.95 00.00 0 59 430 MAY 22, 1975 16 19:30 0 0 1 43.30 -095.25 00.00 0 59 528 JUN 13, 1983 15 16:30 0 1 1 43.33 -095.13 00.00 0 59 743 JLY 16, 1984 57 16:44 0 0 0 43.47 -095.10 00.00 0 59 977 AUG 18, 1990 66 19:10 0 0 2 43.47 -095.27 43.37 -095.13 59 339 APR 26, 1991 17 20:00 0 0 2 43.27 -095.23 00.00 0 59 537 JUN 12, 1994 14 18:06 0 0 0 43.47 -095.32 00.00 0 59 917 JLY 19, 1995 29 16:20 0 0 0 43.45 -095.22 43.48 -095.17 59 928 JUN 12, 2001 103 20:26 0 0 0 43.42 -095.20 43.42 -095.20 59 929 JUN 12, 2001 106 20:46 0 0 0 43.43 -095.10 43.43 -095.10 59 568 SEP 5, 2004 112 16:08 0 0 0 43.43 -095.18 43.43 -095.18 59 1418 AUG 13, 2008 17:08 0 0 0 43.47 -095.30 43.47 -095.30 59

Dubuque County Tornadoes

227 JUN 10, 1958 8 13:30 0 0 1 42.50 -090.92 00.00 0 61 431 JLY 29, 1958 13 4:00 0 0 2 42.33 -091.08 42.28 -090.80 61,105 622 JUN 27, 1965 27 22:00 0 0 1 42.62 -090.83 00.00 0 61 764 AUG 26, 1965 36 18:45 0 0 2 42.53 -090.97 00.00 0 61 373 JLY 9, 1966 23 11:30 0 0 2 42.50 -090.67 42.50 -090.63 61 238 APR 30, 1967 31 21:00 0 0 2 42.40 -090.90 00.00 0 61 237 JUN 4, 1969 2 14:15 0 0 ? 42.62 -090.78 00.00 0 61 361 JUN 29, 1969 19 19:12 0 0 2 42.40 -091.00 00.00 0 61 470 JLY 31, 1970 17 18:00 0 0 1 42.43 -090.70 00.00 0 61 556 SEP 9, 1970 20 16:40 0 0 2 42.50 -091.10 00.00 0 61 558 SEP 9, 1970 21 17:25 0 0 3 42.50 -090.67 42.55 -090.58 61 418 JUN 2, 1980 14 17:20 0 0 1 42.43 -090.93 42.43 -090.85 61 143 MAY 8, 1988 26 14:36 0 0 1 42.48 -090.83 42.58 -090.67 61 147 MAY 8, 1988 30 14:46 0 0 0 42.43 -090.85 00.00 0 61 103 MAR 13, 1990 12 17:55 0 0 1 42.57 -091.00 42.60 -090.98 61 149 MAR 27, 1991 13 12:18 0 1 2 42.28 -090.70 42.33 -090.63 61,97 550 JUN 19, 1993 16 15:42 0 0 3 42.32 -090.72 42.50 -090.62 61 to IL 85 and WI 43 465 JUN 16, 1996 15 18:58 0 0 0 42.43 -090.93 42.43 -090.93 61 1253 MAY 15, 1998 22 18:10 0 0 0 42.43 -090.77 42.43 -090.77 61 1256 MAY 28, 1998 32 18:32 0 0 0 42.40 -091.12 42.40 -091.12 61 639 MAY 26, 2007 12 15:43 0 0 0 42.59 -091.00 42.59 -091.00 61

Emmet County Tornadoes

60 MAR 21, 1953 3 15:00 0 0 3 43.27 -094.63 43.30 -094.00 63 334 MAY 30, 1959 21 21:40 0 0 1 43.40 -094.72 00.00 0 63 220 APR 30, 1967 20 16:00 0 0 2 43.38 -094.68 43.48 -094.78 63 223 APR 30, 1967 23 16:33 0 0 2 43.42 -094.68 00.00 0 63 595 JLY 14, 1978 17 16:00 0 0 ? 43.43 -094.67 00.00 0 63 596 JLY 14, 1978 18 16:30 0 0 ? 43.45 -094.82 00.00 0 63 423 JUN 28, 1979 17 17:12 0 0 0 43.40 -094.48 00.00 0 63 424 JUN 28, 1979 18 17:25 0 0 1 43.30 -094.48 43.22 -094.45 63,109 765 AUG 18, 1980 33 23:10 0 0 1 43.25 -094.85 00.00 0 63 529 JUN 13, 1983 16 16:50 0 0 0 43.38 -094.88 00.00 0 63 745 JLY 16, 1984 58 17:03 0 0 0 43.43 -094.88 00.00 0 63 296 MAY 4, 1994 5 14:10 0 0 1 43.47 -094.62 43.43 -094.50 63 1019 AUG 13, 1995 42 20:44 0 0 0 43.38 -094.43 00.00 0 63 1322 JLY 14, 2003 18 20:08 0 0 0 43.33 -094.73 43.33 -094.73 63 1284 JUN 11, 2004 73 14:50 0 0 1 43.30 -094.53 43.38 -094.50 63 124 JUN 20, 2005 26 15:55 0 0 0 43.42 -094.72 43.42 -094.72 63 1003 AUG 10, 2010 33 16:44 0 0 0 43.50 -094.45 43.50 -094.45 63

Fayette County Tornadoes

267 MAY 7, 1964 17 17:28 0 0 2 42.67 -091.88 00.00 0 65 246 MAY 7, 1965 8 12:55 0 0 ? 42.67 -091.90 00.00 0 65 338 JUN 27, 1966 20 19:10 0 0 ? 42.72 -091.95 00.00 0 65 339 JUN 27, 1966 21 19:15 0 0 ? 42.75 -091.98 00.00 0 65 550 OCT 14, 1966 37 18:25 0 0 ? 42.77 -091.72 00.00 0 65 204 MAY 15, 1968 11 15:57 5 156 5 42.67 -091.93 42.85 -091.85 65 205 MAY 15, 1968 12 15:58 0 0 1 43.10 -092.07 00.00 0 65 568 JUN 24, 1971 27 18:00 1 0 3 43.07 -091.82 00.00 0 65 623 JLY 12, 1971 30 18:30 0 0 2 42.88 -092.05 42.82 -091.95 65 637 JLY 3, 1983 28 17:25 0 0 1 43.03 -091.93 00.00 0 65 34 MAR 24, 1988 4 17:15 0 0 2 43.07 -092.03 43.18 -091.93 65,191 680 JUN 12, 1990 27 17:15 0 0 1 43.05 -091.90 00.00 0 65 688 JUN 12, 1990 30 21:09 0 0 0 42.97 -091.87 00.00 0 65 613 JUN 23, 1992 17 14:50 0 0 0 43.07 -091.95 00.00 0 65 714 JLY 6, 1994 29 15:43 0 0 0 42.93 -091.93 00.00 0 65 731 JLY 7, 1994 34 19:00 0 0 0 43.05 -091.67 00.00 0 65 259 JUN 16, 1996 14 17:21 0 0 0 42.77 -091.90 42.75 -091.77 65 67 APR 11, 2001 77 16:50 0 1 1 42.97 -091.85 43.00 -091.83 65 370 SEP 6, 2001 086 17:21 0 0 1 42.68 -091.77 42.77 -091.63 65 1420 JLY 5, 2004 094 17:35 0 0 0 42.77 -091.67 42.78 -091.67 65 240 MAR 31, 2007 2 15:58 0 0 0 42.70 -091.93 42.70 -091.93 65 1060 AUG 19, 2009 14:50 0 0 0 42.94 -091.88 42.98 -091.84 65 301562 MAY 22, 2011 39 14:37 0 0 1 42.86 -092.01 42.88 -091.85 65 304462 MAY 22, 2011 40 15:01 0 0 0 42.96 -091.73 42.97 -091.70 65 374961 MAY 24, 2012 15:56 0 0 1 42.97 -091.96 42.99 -091.91 65

Floyd County Tornadoes

430 JLY 8, 1959 25 15:00 0 0 1 43.18 -092.67 00.00 0 67 597 AUG 27, 1964 46 22:55 0 0 2 43.10 -092.70 00.00 0 67 225 MAY 5, 1965 7 20:00 0 11 4 43.28 -092.82 43.45 -092.03 67,89,191 795 AUG 24, 1975 27 20:45 0 0 0 43.15 -092.95 00.00 0 67 615 JUN 16, 1984 38 19:05 0 0 0 43.07 -092.75 00.00 0 67 657 JUN 22, 1984 48 18:02 0 0 0 42.98 -092.70 00.00 0 67 701 SEP 28, 1986 42 20:45 0 2 2 43.15 -092.62 00.00 0 67 30 MAR 24, 1988 2 15:15 0 0 1 43.15 -092.98 00.00 0 67 750 JUN 16, 1990 45 22:54 0 0 1 43.20 -093.00 43.23 -092.93 67 785 JLY 10, 1993 42 12:55 0 0 2 43.15 -093.00 43.07 -092.87 67 437 AUG 23, 1997 25 19:50 0 0 1 43.02 -092.77 43.00 -092.70 67 1320 JLY 20, 1999 56 16:30 0 0 1 42.98 -092.58 43.00 -092.58 67,37 1346 JUN 16, 2004 091 14:49 0 0 0 43.17 -092.93 43.17 -092.93 67

Franklin County Tornadoes

212 MAY 10, 1959 12 16:45 0 0 2 42.75 -093.33 42.82 -093.23 69 545 AUG 28, 1960 20 15:00 0 0 1 42.72 -093.37 00.00 0 69 547 AUG 28, 1960 21 15:30 0 0 0 42.67 -093.13 00.00 0 69 320 MAY 23, 1964 24 22:00 0 0 0 42.75 -093.25 00.00 0 69 200 MAY 15, 1968 10 15:10 13 462 5 42.77 -093.12 43.47 -092.33 69,23,67,37,89 336 JUN 26, 1969 10 14:40 0 0 1 42.60 -093.35 00.00 0 69 509 JUN 3, 1974 15 19:00 0 0 0 42.77 -093.20 00.00 0 69 361 MAY 25, 1989 21 6:21 0 0 0 42.63 -093.23 00.00 0 69 816 JUN 28, 1990 50 12:09 0 0 3 42.63 -093.17 42.53 -093.02 69,83 859 JUN 14, 1991 41 23:15 0 0 1 42.57 -093.07 00.00 0 69 791 JLY 13, 1992 22 13:45 0 0 1 42.70 -093.13 00.00 0 69 986 JUN 6, 1999 41 15:30 0 0 1 42.63 -093.48 42.75 -093.30 69 1455 AUG 16, 2004 099 18:10 0 0 0 42.53 -093.12 42.55 -093.07 69,83 860 SEP 2, 2006 36 13:46 0 0 0 42.70 -093.42 42.70 -093.42 69 861 SEP 2, 2006 37 13:50 0 0 0 42.68 -093.50 42.68 -093.50 69 862 SEP 2, 2006 38 14:37 0 0 0 42.90 -093.33 42.90 -093.33 69 893 JLY 16, 2010 29 20:22 0 0 0 42.88 -093.37 42.88 -093.36 69

Fremont County Tornadoes

283 MAY 26, 1959 17 8:00 0 0 2 40.60 -095.63 40.82 -095.75 71 119 APR 20, 1964 5 21:40 0 0 2 40.75 -095.47 40.78 -095.42 71 466 JUN 22, 1964 34 19:00 0 0 3 40.75 -095.60 40.83 -095.48 71 467 JUN 22, 1964 35 19:00 0 0 4 40.70 -095.45 40.77 -095.23 71 656 JLY 8, 1965 29 21:30 0 0 2 40.53 -095.70 00.00 0 71 79 APR 16, 1968 6 18:00 0 0 2 40.72 -095.45 00.00 0 71 80 APR 16, 1968 7 18:00 0 0 2 40.67 -095.50 00.00 0 71 371 JUN 13, 1972 6 13:45 0 0 1 40.87 -095.83 00.00 0 71 457 MAY 28, 1976 3 18:00 0 0 1 40.92 -095.60 00.00 0 71 458 JUN 19, 1978 5 21:15 0 0 1 40.70 -095.50 00.00 0 71 194 MAY 1, 1983 1 13:30 0 3 2 40.63 -095.67 40.70 -095.58 71 198 MAY 1, 1983 4 13:54 0 0 1 40.83 -095.83 40.98 -095.13 71,129 from NE 25 210 MAY 21, 1988 31 12:06 0 0 0 40.60 -095.42 00.00 0 71 750 SEP 8, 1989 29 17:35 0 3 1 40.77 -095.77 40.87 -095.57 71 615 JUN 7, 1990 24 9:30 0 0 0 40.68 -095.58 00.00 0 71 698 JUN 13, 1990 33 19:35 0 0 2 40.87 -095.65 40.88 -095.45 71 965 AUG 11, 1993 48 17:40 0 0 0 40.75 -095.60 00.00 0 71 966 AUG 11, 1993 49 18:00 0 0 0 40.77 -095.42 00.00 0 71 276 MAY 8, 1995 1 20:58 0 0 0 40.60 -095.65 00.00 0 71 254 APR 8, 1999 5 13:08 0 0 0 40.60 -095.52 40.60 -095.52 71 79 APR 27, 2002 10 15:41 0 0 0 40.77 -095.83 40.77 -095.83 71 80 APR 27, 2002 11 15:50 0 0 0 40.83 -095.80 40.83 -095.80 71 91 MAY 24, 2004 47 15:30 0 0 0 40.85 -095.73 40.85 -095.68 71 462 AUG 26, 2004 102 16:58 0 0 2 40.65 -095.60 40.67 -095.55 71 526 MAY 5, 2007 5 18:50 0 0 1 40.74 -095.44 40.91 -095.47 71,129 1091 JUN 5, 2008 18:02 0 0 0 40.68 -095.79 40.69 -095.78 71 1092 JUN 5, 2008 18:11 0 0 0 40.80 -095.62 40.82 -095.61 71 365649 APR 14, 2012 16:28 0 4 2 40.75 -095.82 40.89 -095.67 71

Greene County Tornadoes

86 APR 5, 1954 2 17:10 0 1 2 42.03 -094.53 42.10 -094.47 73 164 MAY 4, 1959 5 22:30 0 0 2 41.90 -094.33 42.10 -094.25 73 433 JLY 16, 1969 20 18:15 0 0 1 42.15 -094.47 42.15 -094.40 73 554 SEP 26, 1969 28 19:30 0 0 1 42.08 -094.43 00.00 0 73 453 JUN 6, 1971 26 23:45 0 1 2 42.87 -092.78 42.90 -092.73 73 198 APR 26, 1984 4 19:13 0 0 0 42.05 -094.52 00.00 0 73 635 JUN 29, 1993 22 19:44 0 0 0 42.05 -094.27 00.00 0 73 636 JUN 29, 1993 23 20:00 0 0 0 42.03 -094.57 00.00 0 73 751 JLY 8, 1993 33 16:10 0 0 0 42.02 -094.50 00.00 0 73 406 JLY 29, 1996 20 15:37 0 0 0 41.92 -094.37 41.92 -094.37 73 901 APR 6, 1998 2 17:15 0 0 0 42.22 -094.48 42.22 -094.48 73 903 APR 6, 1998 4 18:00 0 0 0 42.07 -094.55 42.07 -094.55 73 631 APR 11, 2001 19 13:45 0 0 0 42.02 -094.38 42.02 -094.38 73 630 APR 11, 2001 22 14:05 0 0 0 42.15 -094.27 42.17 -094.27 73 667 MAY 10, 2001 40 15:37 0 0 0 42.00 -094.27 42.00 -094.27 73 1575 SEP 5, 2004 113 17:04 0 0 1 41.90 -094.38 41.98 -094.33 73 1576 SEP 5, 2004 114 17:15 0 0 0 42.02 -094.42 42.02 -094.42 73 1210 NOV 12, 2005 34 15:50 0 0 1 41.92 -094.55 41.92 -094.55 73 934 AUG 28, 2007 33 18:29 0 0 0 41.88 -094.27 41.91 -094.20 73

Grundy County Tornadoes

82 APR 16, 1960 2 14:30 1 5 3 42.33 -092.58 42.50 -092.00 75,13,19 75 APR 19, 1966 2 18:00 0 0 2 42.45 -092.60 42.48 -092.55 75 548 OCT 14, 1966 36 17:30 0 0 2 42.38 -092.93 42.43 -092.97 75 375 MAY 31, 1971 19 18:20 0 0 1 42.45 -092.77 42.48 -092.72 75 376 MAY 31, 1971 20 18:20 0 0 1 42.45 -092.77 42.48 -092.72 75 762 JLY 2, 1973 22 0:33 0 0 1 42.33 -092.80 42.70 -092.47 75,17 863 NOV 9, 1975 29 16:45 0 0 1 42.27 -092.78 42.28 -092.73 75 548 JLY 6, 1977 25 17:00 0 0 1 42.28 -092.63 00.00 0 75 573 JLY 7, 1978 16 0:02 0 0 ? 42.37 -092.68 00.00 0 75 440 JLY 14, 1987 28 19:00 0 0 1 42.48 -092.77 00.00 0 75 818 JUN 28, 1990 52 13:15 0 0 1 42.33 -092.77 42.28 -092.70 75 763 MAY 11, 2000 1 17:45 0 0 0 42.52 -092.63 42.52 -092.63 75 668 MAY 10, 2001 50 16:04 0 0 2 42.25 -092.92 42.23 -092.90 75 669 MAY 10, 2001 56 16:15 0 0 2 42.28 -092.82 42.18 -092.70 75,171 670 MAY 10, 2001 60 16:20 0 0 1 42.25 -092.92 42.25 -092.90 75 502 APR 18, 2002 6 17:30 0 0 0 42.48 -092.63 42.48 -092.63 75 897 MAY 21, 2004 11 13:28 0 0 0 42.40 -092.83 42.40 -092.78 75 898 MAY 21, 2004 12 13:38 0 0 1 42.42 -092.77 42.40 -092.72 75 899 MAY 21, 2004 13 13:49 0 0 0 42.40 -092.73 42.40 -092.73 75 900 MAY 21, 2004 14 14:15 0 0 0 42.37 -092.97 42.37 -092.97 75 902 MAY 21, 2004 16 14:22 0 0 0 42.42 -092.83 42.42 -092.83 75 912 MAY 25, 2008 15:48 9 70 5 42.55 -092.88 42.62 -092.08 75,23,13 917 MAY 25, 2008 16:07 0 0 0 42.55 -092.68 42.55 -092.66 75 799 JUN 21, 2009 17:51 0 0 0 42.45 -092.98 42.45 -092.98 75 801 JUN 21, 2009 18:20 0 0 1 42.47 -092.65 42.49 -092.63 75 802 JUN 21, 2009 18:25 0 0 1 42.41 -092.87 42.41 -092.83 75

Guthrie County Tornadoes

168 MAY 12, 1963 12 18:45 0 0 1 41.67 -094.50 00.00 0 77 274 MAY 7, 1964 20 18:30 0 0 2 41.83 -094.55 00.00 0 77 225 MAY 22, 1970 9 18:00 0 0 ? 41.52 -094.50 00.00 0 77 215 MAY 4, 1977 11 19:15 0 0 ? 41.78 -094.53 00.00 0 77 216 MAY 4, 1977 12 19:26 0 0 ? 41.85 -094.57 00.00 0 77 427 MAY 27, 1983 14 18:10 0 0 1 41.68 -094.55 00.00 0 77 488 JUN 29, 1986 23 21:05 0 0 2 41.85 -094.57 00.00 0 77 490 JUN 29, 1986 24 21:50 0 0 2 41.52 -094.53 00.00 0 77 360 JLY 15, 1988 36 18:20 0 0 0 41.68 -094.77 00.00 0 77 102 MAR 22, 1991 1 15:20 0 0 0 41.52 -094.53 00.00 0 77 571 MAY 27, 1995 15 18:56 0 1 4 41.78 -094.65 42.20 -094.48 77,27,73 975 JLY 26, 2000 41 14:18 0 0 1 41.88 -094.43 41.88 -094.47 77 629 APR 11, 2001 18 13:25 0 0 1 41.82 -094.53 41.85 -094.53 77 562 MAY 6, 2007 10 3:37 0 0 1 41.81 -094.57 41.81 -094.55 77 933 AUG 28, 2007 32 18:02 0 0 0 41.85 -094.65 41.85 -094.64 77

Hamilton County Tornadoes

154 MAY 3, 1963 8 19:40 0 0 1 42.23 -093.60 42.27 -093.55 79 595 AUG 27, 1964 45 21:00 0 0 0 42.25 -093.93 00.00 0 79 553 OCT 15, 1966 39 14:00 0 0 ? 42.47 -093.82 00.00 0 79 384 JUN 7, 1967 35 15:10 0 0 ? 42.47 -093.72 00.00 0 79 674 JUN 22, 1974 23 1:25 0 0 2 42.30 -093.65 42.32 -093.60 79 443 JUN 28, 1979 24 20:01 0 10 2 42.52 -093.80 42.42 -093.73 79 444 JUN 28, 1979 25 20:20 0 0 2 42.42 -093.73 00.00 0 79 658 AUG 19, 1979 43 18:32 0 0 1 42.42 -093.87 42.47 -093.78 79 374 MAY 29, 1980 6 20:45 0 0 1 42.37 -093.82 00.00 0 79 405 JLY 8, 1987 24 15:25 0 0 1 42.30 -093.50 00.00 0 79 334 MAY 24, 1989 16 17:20 0 0 4 42.23 -093.82 42.20 -092.62 79,169,83,127,171 688 JLY 17, 1989 24 21:00 0 0 1 42.50 -093.87 42.52 -093.75 79 766 JUN 19, 1990 48 5:45 0 0 1 42.27 -093.93 42.28 -093.80 79 876 JLY 11, 1990 57 16:04 0 0 0 42.27 -093.60 00.00 0 79 610 MAY 17, 1991 31 13:00 0 0 2 42.48 -093.70 42.62 -093.63 79,197 613 MAY 17, 1991 33 15:10 0 0 0 42.27 -093.93 00.00 0 79 824 JLY 15, 1992 27 18:43 0 0 0 42.37 -093.82 00.00 0 79 468 JUN 6, 1994 10 19:08 0 0 0 42.38 -093.82 00.00 0 79 988 JUN 6, 1999 43 18:05 0 0 0 42.37 -093.77 42.37 -093.77 79 990 JUN 6, 1999 45 18:15 0 0 0 42.23 -093.60 42.23 -093.60 79 632 APR 11, 2001 29 14:38 0 0 1 42.43 -093.82 42.47 -093.80 79 500 JLY 9, 2003 17 16:44 0 0 0 42.37 -093.70 42.37 -093.70 79 1577 SEP 5, 2004 115 18:15 0 0 0 42.50 -093.87 42.50 -093.87 79 641 MAR 30, 2005 3 12:51 0 0 0 42.52 -093.75 42.52 -093.75 79 736 MAY 18, 2005 16 19:38 0 0 0 42.53 -093.63 42.53 -093.63 79 1207 NOV 12, 2005 44 17:27 0 0 0 42.43 -093.55 42.43 -093.55 79 670 JUN 1, 2007 16 17:30 0 0 0 42.32 -093.62 42.32 -093.62 79 518 APR 24, 2008 19:21 0 0 0 42.49 -093.71 42.48 -093.68 79 794 JUN 21, 2009 15:48 0 0 0 42.38 -093.75 42.39 -093.73 79 796 JUN 21, 2009 16:36 0 0 0 42.48 -093.53 42.48 -093.52 79

Hancock County Tornadoes

167 JUN 25, 1951 3 17:07 0 8 2 43.22 -093.80 00.00 0 81 154 MAY 10, 1953 7 16:10 0 3 4 43.07 -093.52 43.45 -093.38 81,33,195 477 MAY 29, 1957 8 13:30 0 0 1 43.10 -093.62 00.00 0 81 164 MAY 9, 1963 10 20:00 0 0 2 43.22 -093.92 43.28 -093.67 81,189 222 APR 30, 1967 22 16:30 0 0 2 43.22 -093.80 43.23 -093.70 81 938 SEP 26, 1973 28 2:45 0 0 2 43.02 -093.58 00.00 0 81 939 SEP 26, 1973 29 2:45 0 0 1 43.07 -093.60 00.00 0 81 605 JUN 27, 1980 22 18:30 0 0 1 43.18 -093.60 00.00 0 81 405 MAY 17, 1982 10 14:50 0 0 2 43.22 -093.82 43.45 -093.75 81,189 496 JUN 7, 1984 22 17:45 0 0 2 43.20 -093.82 43.47 -093.77 81,189 734 JLY 14, 1984 56 13:45 0 0 1 43.07 -093.75 00.00 0 81 200 APR 23, 1990 18 21:00 0 0 1 43.27 -093.83 00.00 0 81 562 JUN 18, 1994 17 17:01 0 0 3 43.10 -093.62 43.00 -093.62 81 564 JUN 18, 1994 19 17:15 0 0 1 43.07 -093.82 00.00 0 81 566 JUN 18, 1994 20 17:40 0 0 0 43.10 -093.83 00.00 0 81 567 JUN 18, 1994 21 17:40 0 0 0 42.98 -093.97 00.00 0 81 248 JUN 15, 1997 13 19:55 0 0 1 43.00 -093.95 42.85 -093.62 81 985 JUN 6, 1999 40 15:27 0 0 0 43.08 -093.60 43.08 -093.60 81 993 JUN 8, 1999 48 17:15 0 0 0 42.92 -093.75 42.92 -093.75 81 217 AUG 26, 2002 33 14:08 0 0 0 43.22 -093.67 43.22 -093.67 81 1323 JLY 14, 2003 19 20:15 0 0 0 43.05 -093.82 43.05 -093.82 81 22 MAY 1, 2004 6 14:10 0 0 0 43.22 -093.72 43.18 -093.65 81 892 JLY 16, 2010 28 19:45 0 0 0 42.98 -093.54 42.98 -093.53 81

Hardin County Tornadoes

294 MAY 20, 1960 7 18:10 0 0 1 42.20 -093.10 00.00 0 83 269 MAY 7, 1964 19 17:30 0 0 1 42.30 -093.30 00.00 0 83 434 JLY 16, 1969 21 19:00 0 0 ? 42.22 -093.07 00.00 0 83 434 JLY 14, 1970 16 18:30 0 0 2 42.32 -093.43 42.28 -093.38 83 372 MAY 31, 1971 18 17:15 0 0 2 42.55 -093.03 42.60 -092.95 83 914 SEP 21, 1973 24 18:00 0 0 1 42.25 -093.08 00.00 0 83 385 MAY 30, 1989 22 18:50 0 3 4 42.28 -093.17 42.27 -092.97 83,75 817 JUN 28, 1990 51 12:35 0 0 0 42.50 -093.12 00.00 0 83 877 JLY 11, 1990 58 16:30 0 0 0 42.23 -093.07 00.00 0 83 110 MAR 22, 1991 5 17:25 0 0 2 42.27 -093.00 42.48 -092.78 83,75 112 MAR 22, 1991 6 17:30 0 0 1 42.43 -093.40 00.00 0 83 383 APR 29, 1991 24 13:25 0 0 1 42.27 -093.35 42.30 -093.35 83 615 JUN 23, 1992 18 16:58 0 0 0 42.30 -093.10 00.00 0 83 693 JUN 6, 1995 26 19:41 0 0 0 42.52 -093.25 00.00 0 83 184 MAY 22, 2000 17 19:35 0 0 0 42.38 -093.27 42.38 -093.27 83 48 APR 20, 2001 112 23:46 0 0 1 42.52 -093.53 42.52 -093.53 83 501 APR 18, 2002 5 17:00 0 0 0 42.27 -093.15 42.27 -093.15 83 1452 AUG 3, 2004 095 15:53 0 0 0 42.22 -093.42 42.23 -093.43 83 1456 AUG 16, 2004 100 18:16 0 0 1 42.55 -093.08 42.53 -093.05 83 1209 NOV 12, 2005 45 17:50 0 0 0 42.47 -093.10 42.48 -093.07 83 797 JUN 21, 2009 17:15 0 0 0 42.48 -093.19 42.48 -093.17 83 798 JUN 21, 2009 17:39 0 0 0 42.49 -093.09 42.49 -093.08 83 800 JUN 21, 2009 17:59 0 0 0 42.42 -093.05 42.43 -093.04 83

Harrison County Tornadoes

534 JUN 20, 1967 51 23:00 0 0 ? 41.70 -095.70 00.00 0 85 646 SEP 12, 1972 19 15:30 0 0 2 41.50 -095.70 41.58 -095.65 85 375 MAY 29, 1980 7 21:00 0 0 1 41.83 -095.83 00.00 0 85 251 MAY 6, 1983 8 17:00 0 0 2 41.57 -095.95 41.75 -095.75 85 629 JUN 17, 1984 42 18:24 0 0 1 41.82 -096.07 41.83 -095.95 85 from NE 21 632 JUN 17, 1984 44 18:43 0 0 0 41.52 -095.62 00.00 0 85 250 JUN 12, 1987 18 18:50 0 0 0 41.83 -095.93 00.00 0 85 857 JUN 14, 1991 40 19:55 0 0 0 41.60 -095.90 00.00 0 85 244 MAY 16, 1992 5 20:15 0 0 0 41.65 -095.80 00.00 0 85 493 JUN 16, 1992 7 20:30 0 3 3 41.65 -095.80 41.98 -095.50 85,47 393 MAY 16, 1999 22 14:45 0 0 3 41.63 -095.90 41.63 -095.80 85 394 MAY 16, 1999 25 15:16 2 16 3 41.60 -095.87 41.67 -095.75 85 320 JUN 13, 2000 28 14:10 0 0 1 41.50 -095.73 41.63 -095.57 85,155,165 260 JUN 18, 2001 094 18:59 0 0 0 41.65 -096.02 41.65 -096.02 85 78 APR 17, 2002 2 17:29 0 0 0 41.68 -095.80 41.70 -095.75 85 105 MAY 22, 2004 35 19:19 0 0 0 41.57 -095.77 41.57 -095.77 85 1176 JUN 11, 2008 17:27 4 048 3 41.81 -096.10 41.90 -095.88 85,133 91 MAR 23, 2009 17:03 0 0 2 41.55 -095.95 41.67 -095.92 85 280419 MAR 22, 2011 1 16:00 0 2 1 41.57 -095.84 41.68 -095.67 85 352105 JUN 26, 2011 49 18:55 0 0 0 41.82 -095.91 41.81 -095.84 85

Henry County Tornadoes

302 MAY 13, 1957 3 11:00 0 0 1 41.00 -091.55 40.92 -091.63 87 11 JAN 24, 1967 4 15:50 0 0 0 41.15 -091.43 00.00 0 87 306 JUN 12, 1970 10 18:10 0 0 1 40.92 -091.40 00.00 0 87 221 APR 21, 1973 10 21:20 0 0 1 41.13 -091.45 00.00 0 87 202 MAY 4, 1977 6 15:00 0 1 2 40.97 -091.55 41.00 -091.52 87 203 MAY 4, 1977 7 15:10 0 0 ? 41.13 -091.48 41.20 -091.45 87,115 625 JLY 5, 1980 25 0:24 0 0 1 40.92 -091.40 40.92 -091.33 87,57 603 JUN 29, 1983 19 11:15 0 0 1 41.15 -091.67 00.00 0 87 592 JUN 12, 1999 52 12:03 0 0 0 40.98 -091.55 40.98 -091.55 87 284 MAY 10, 2003 10 18:44 0 0 1 40.98 -091.62 41.18 -091.20 87,115 525 APR 25, 2008 14:08 0 0 1 41.13 -091.45 41.15 -091.43 87 383794 MAY 3, 2012 19:40 0 0 2 41.14 -091.67 41.20 -091.58 87,183

Howard County Tornadoes

157 MAY 10, 1953 9 17:30 0 2 4 43.45 -092.40 43.50 -092.38 89 to MN 45,109,169, WI 11,121,35,17,119,99 395 JUN 25, 1959 23 22:00 0 0 1 43.33 -092.10 00.00 0 89 584 SEP 2, 1961 11 22:30 0 0 2 42.65 -092.12 00.00 0 89 756 AUG 25, 1965 32 17:45 0 0 1 43.43 -092.28 43.38 -092.20 89 790 SEP 9, 1965 42 13:45 0 0 2 43.38 -092.07 00.00 0 89 85 MAR 30, 1967 14 22:40 0 0 2 43.18 -092.10 43.23 -092.03 89 215 MAY 15, 1968 14 17:15 0 0 2 43.33 -092.18 43.28 -092.10 89 622 JLY 12, 1971 29 17:15 0 8 4 43.23 -092.45 43.07 -092.05 89,37,65 209 APR 17, 1975 2 19:50 0 0 1 43.43 -092.12 00.00 0 89 369 MAY 29, 1980 5 20:00 0 0 0 43.38 -092.55 00.00 0 89 712 AUG 2, 1980 31 4:45 0 0 1 43.25 -092.10 00.00 0 89 407 MAY 17, 1982 11 16:00 0 0 1 43.45 -092.28 00.00 0 89 957 AUG 9, 1990 65 19:30 0 0 1 43.35 -092.30 00.00 0 89 789 JLY 19, 1994 39 19:29 0 0 2 43.25 -092.43 43.27 -092.25 89 790 JLY 19, 1994 40 20:06 0 0 1 43.25 -092.50 00.00 0 89 791 JLY 19, 1994 41 20:06 0 0 3 43.30 -092.25 43.42 -091.80 89,191 675 AUG 19, 1996 21 18:00 0 0 0 43.40 -092.30 43.38 -092.27 89 371 JLY 20, 1997 18 20:20 0 0 0 43.38 -092.22 43.38 -092.15 89 405 JUN 27, 1998 57 19:08 0 0 0 43.38 -092.15 43.38 -092.15 89 1335 JUN 11, 2004 75 16:40 0 0 0 43.32 -092.55 43.37 -092.55 89 1336 JUN 11, 2004 77 16:56 0 0 3 43.40 -092.55 43.53 -092.55 89 to MN 99 1343 JUN 16, 2004 088 12:55 0 0 0 43.37 -092.30 43.37 -092.30 89 1345 JUN 16, 2004 090 13:48 0 0 0 43.37 -092.55 43.37 -092.55 89 1419 JLY 5, 2004 093 16:40 0 0 0 43.23 -092.13 43.25 -092.15 89 1059 AUG 19, 2009 14:50 0 0 0 43.35 -092.41 43.35 -092.41 89 300438 MAY 22, 2011 35 13:33 0 3 2 43.41 -092.49 43.50 -092.25 89 to MN 45

Humboldt County Tornadoes

229 MAY 29, 1956 2 5:00 0 0 1 42.80 -094.25 42.83 -094.18 91 331 MAY 15, 1965 14 16:00 0 0 2 42.78 -094.17 00.00 0 91 582 JUN 9, 1974 16 11:30 0 0 1 42.72 -094.13 00.00 0 91 533 JUN 13, 1980 17 18:02 0 0 1 42.77 -094.00 00.00 0 91 410 JUN 12, 1981 24 16:05 0 1 2 42.83 -094.22 00.00 0 91 235 MAY 4, 1982 4 18:45 0 0 1 42.65 -094.42 00.00 0 91 492 JUN 7, 1984 19 17:15 0 0 2 42.83 -094.12 43.00 -093.87 91,109,81 118 APR 22, 1989 1 9:30 0 0 0 42.87 -094.33 00.00 0 91 384 APR 29, 1991 25 13:35 0 0 1 42.67 -094.43 00.00 0 91 569 JUN 18, 1994 23 18:03 0 0 0 42.82 -094.05 00.00 0 91 991 JUN 8, 1999 46 16:59 0 0 0 42.80 -094.03 42.80 -094.03 91 501 JLY 20, 2003 21 19:15 0 0 0 42.63 -094.05 42.63 -094.05 91 1457 AUG 26, 2004 101 16:00 0 0 0 42.75 -094.22 42.75 -094.22 91 1241 JUN 15, 2008 0:49 0 0 0 42.70 -094.12 42.68 -094.10 91 758 JUN 22, 2010 14 20:12 0 0 0 42.70 -094.35 42.71 -094.33 91

Ida County Tornadoes

260 JUN 7, 1953 15 19:30 0 0 2 42.37 -095.48 43.22 -094.38 93,161,151,109 578 JUN 16, 1957 15 6:30 0 0 2 42.50 -095.40 43.00 -094.75 93,21,147 452 JLY 26, 1969 23 13:47 0 0 3 42.33 -095.60 42.03 -095.42 93 582 JLY 30, 1979 32 2:00 0 0 1 42.28 -095.65 42.18 -095.20 93,47 481 JUN 7, 1984 9 15:42 0 1 2 42.42 -095.58 42.58 -095.35 93 484 JUN 7, 1984 12 16:10 0 1 2 42.32 -095.38 42.45 -095.22 93 1031 AUG 7, 1991 47 18:15 0 0 0 42.33 -095.35 00.00 0 93 498 JUN 16, 1992 9 21:48 0 0 0 42.33 -095.47 00.00 0 93 451 JUN 5, 1994 7 2:55 0 0 1 42.50 -095.43 42.47 -095.28 93,161 225 JUN 13, 2001 108 21:10 0 0 0 42.52 -095.68 42.52 -095.68 93 301836 APR 9, 2011 11 19:20 0 0 2 42.32 -095.40 42.38 -095.36 93 301876 APR 9, 2011 15 19:42 0 0 1 42.44 -095.45 42.49 -095.40 93

Iowa County Tornadoes

100 APR 24, 1953 5 17:00 0 0 1 41.83 -091.95 00.00 0 95 188 MAY 24, 1953 13 6:45 0 0 1 41.60 -092.10 00.00 0 95 190 APR 30, 1954 9 19:00 0 0 2 41.67 -092.00 42.47 -091.30 95,11,113,55 464 MAY 26, 1965 20 3:35 0 0 1 41.72 -091.98 00.00 0 95 349 JUN 17, 1970 11 11:15 0 0 0 41.60 -091.92 00.00 0 95 310 MAY 18, 1971 11 17:45 0 0 1 41.78 -092.05 41.83 -091.97 95 214 APR 21, 1973 8 15:40 0 6 2 41.58 -091.92 41.75 -091.75 95,103 802 AUG 12, 1974 27 19:15 0 2 4 41.75 -092.18 00.00 0 95 687 AUG 15, 1977 31 20:30 0 0 ? 41.80 -092.07 00.00 0 95 619 AUG 8, 1979 41 18:00 0 0 1 41.80 -092.07 00.00 0 95 73 APR 3, 1981 4 20:30 0 0 1 41.72 -092.28 41.77 -092.25 95 925 OCT 6, 1982 31 11:45 0 0 0 41.57 -092.17 00.00 0 95 630 JUN 17, 1984 43 18:25 0 0 1 41.67 -092.20 41.75 -091.88 95 418 JUN 10, 1986 21 21:30 0 0 1 41.83 -092.07 00.00 0 95 419 JUN 10, 1986 22 21:40 0 0 1 41.80 -091.93 00.00 0 95 115 MAR 22, 1991 7 18:16 0 0 0 41.87 -092.07 00.00 0 95 354 APR 27, 1991 20 0:55 0 0 2 41.70 -092.30 41.73 -092.23 95 356 APR 27, 1991 21 1:09 0 0 1 41.73 -092.07 41.77 -092.02 95 853 MAY 18, 2000 15 13:12 0 0 0 41.60 -092.20 41.60 -092.20 95 854 MAY 18, 2000 16 13:20 0 0 0 41.52 -092.10 41.52 -092.10 95 709 APR 11, 2001 41 15:40 0 0 0 41.60 -091.95 41.60 -091.95 95 376 MAY 30, 2004 59 14:36 0 0 1 41.70 -091.90 41.70 -091.90 95 933 MAY 25, 2008 22:06 0 0 1 41.69 -092.30 41.68 -092.18 95 307316 MAY 22, 2011 36 13:40 0 0 2 41.79 -092.21 41.82 -092.14 95 307318 MAY 22, 2011 37 13:54 0 0 0 41.58 -092.10 41.58 -092.06 95

Jackson County Tornadoes

101 APR 19, 1955 3 17:30 0 0 2 42.27 -090.68 42.27 -090.37 97 598 NOV 15, 1960 26 16:04 0 0 2 42.27 -090.50 00.00 0 97 474 MAY 26, 1965 21 19:30 0 1 ? 42.10 -090.50 00.00 0 97 531 JUN 19, 1967 50 19:30 0 0 0 42.37 -090.63 00.00 0 97 347 JUN 26, 1969 13 21:00 0 0 1 42.27 -090.40 00.00 0 97 40 MAR 25, 1988 5 16:13 0 0 0 42.07 -090.68 00.00 0 97 531 JUN 2, 1990 23 14:12 0 0 1 42.03 -090.68 00.00 0 97 699 JLY 2, 1993 31 20:18 0 0 0 42.08 -090.18 00.00 0 97 448 APR 19, 1996 2 19:17 0 0 0 42.05 -090.40 42.05 -090.40 97 131 APR 30, 1997 4 15:42 0 0 0 42.05 -090.32 42.05 -090.32 97 666 JUN 1, 2007 15 13:28 0 0 2 42.21 -090.43 42.25 -090.40 97 to IL 85 535 JUN 5, 2010 4 18:40 0 1 1 42.08 -090.69 42.08 -090.65 97

Jasper County Tornadoes

536 OCT 14, 1966 30 14:32 0 0 3 41.53 -093.10 41.12 -093.23 99 38 MAR 30, 1968 1 19:00 0 0 0 41.70 -093.18 00.00 0 99 51 APR 3, 1968 5 16:00 0 0 2 41.57 -093.08 41.62 -093.00 99 569 JUN 4, 1973 14 14:35 0 0 2 41.70 -093.05 41.73 -093.02 99 660 AUG 19, 1979 44 20:32 0 0 0 46.15 -093.18 00.00 0 99 694 AUG 26, 1979 46 17:30 0 0 1 41.73 -092.95 41.80 -092.88 99 209 MAY 8, 1986 7 16:00 0 0 1 41.58 -093.02 00.00 0 99 702 JUN 13, 1990 34 23:33 0 0 0 41.52 -093.22 00.00 0 99 723 JUN 16, 1990 36 6:07 0 0 0 41.52 -093.17 00.00 0 99 822 JLY 18, 1993 44 14:05 0 0 0 41.60 -093.08 00.00 0 99 492 MAY 12, 1997 8 16:48 0 0 0 41.82 -093.15 41.82 -093.15 99 407 JLY 9, 1998 69 17:05 0 0 0 41.78 -093.00 41.78 -093.00 99 636 APR 11, 2001 30 14:40 0 0 1 41.67 -093.25 41.93 -093.18 99,127 911 MAY 22, 2004 32 19:06 0 0 0 41.72 -093.03 41.72 -093.03 99 914 MAY 22, 2004 36 19:20 0 0 0 41.73 -093.05 41.73 -093.05 99 915 MAY 22, 2004 37 19:23 0 0 0 41.80 -092.92 41.80 -092.92 99 917 MAY 22, 2004 39 19:35 0 0 0 41.82 -092.98 41.82 -092.98 99 918 MAY 22, 2004 40 19:36 0 0 0 41.83 -093.15 41.87 -093.15 99 1110 JUN 5, 2008 23:36 0 0 1 41.56 -093.23 41.67 -093.11 99 1111 JUN 5, 2008 23:45 0 2 1 41.57 -093.00 41.75 -092.86 99 1112 JUN 5, 2008 23:49 0 0 0 41.74 -093.03 41.86 -092.89 99 1385 JLY 27, 2008 15:51 0 0 0 41.74 -093.32 41.73 -093.32 99 1386 JLY 27, 2008 16:15 0 0 0 41.67 -093.06 41.67 -093.05 99

Jefferson County Tornadoes

163 APR 21, 1967 17 14:00 0 0 3 41.00 -091.93 00.00 0 101 598 AUG 5, 1986 35 17:00 0 0 0 41.00 -091.98 00.00 0 101 144 APR 20, 1992 3 16:30 0 0 1 41.10 -092.08 00.00 0 101 83 APR 8, 1999 18 17:25 0 0 0 41.00 -092.18 41.00 -092.18 101 84 APR 8, 1999 19 17:25 0 0 0 41.15 -092.02 41.15 -092.02 101 282 MAY 10, 2003 8 18:23 0 0 0 40.90 -091.83 40.95 -091.77 101 283 MAY 10, 2003 9 18:33 0 0 0 40.97 -091.78 40.98 -091.73 101 215 APR 2, 2006 9 15:18 0 0 1 40.92 -091.98 40.92 -091.98 101

Johnson County Tornadoes

206 MAY 22, 1962 7 20:00 1 0 2 41.65 -091.53 41.70 -091.47 103 349 JUN 5, 1972 2 17:30 0 0 1 41.43 -091.40 41.40 -091.38 103 345 APR 28, 1974 2 18:20 0 2 1 41.50 -091.50 00.00 0 103 734 JLY 22, 1974 25 1:25 0 0 1 41.48 -091.45 00.00 0 103 230 APR 23, 1975 4 15:30 0 0 0 41.55 -091.70 00.00 0 103 868 NOV 9, 1975 34 18:35 0 0 1 41.73 -091.43 00.00 0 103 689 AUG 15, 1977 32 23:10 0 0 ? 41.58 -091.65 00.00 0 103 690 AUG 15, 1977 33 23:15 0 0 ? 41.67 -091.60 00.00 0 103 604 JUN 29, 1983 20 12:50 0 0 1 41.55 -091.67 42.07 -091.70 103,113 676 SEP 22, 1986 38 17:25 0 0 1 41.67 -091.83 00.00 0 103 134 MAY 8, 1988 18 14:00 0 0 0 41.70 -091.50 00.00 0 103 70 MAR 8, 1990 1 16:35 0 0 1 41.72 -091.57 00.00 0 103 116 MAR 22, 1991 8 19:10 0 0 2 41.53 -091.37 41.67 -091.18 103,31 701 MAY 29, 1991 37 19:48 0 0 0 41.57 -091.52 00.00 0 103 1076 SEP 12, 1991 50 15:52 0 0 2 41.67 -091.83 41.70 -091.67 103 711 APR 11, 2001 47 16:00 0 0 0 41.62 -091.83 41.65 -091.83 103 712 APR 11, 2001 49 16:02 0 0 0 41.70 -091.67 41.70 -091.67 103 713 APR 11, 2001 58 16:20 0 0 0 41.85 -091.70 41.85 -091.70 103 355 APR 13, 2006 19 19:16 0 0 1 41.55 -091.68 41.57 -091.62 103 356 APR 13, 2006 20 19:29 0 30 2 41.67 -091.55 41.67 -091.55 103 357 APR 13, 2006 21 19:38 0 0 1 41.60 -091.48 41.67 -091.48 103 358 APR 13, 2006 22 19:45 1 1 1 41.43 -091.38 41.45 -091.22 103,139 359 APR 13, 2006 23 19:48 0 0 1 41.48 -091.38 41.50 -091.30 103,139 361 APR 13, 2006 25 20:19 0 0 1 41.67 -091.48 41.63 -091.43 103 934 MAY 25, 2008 22:38 0 0 0 41.79 -091.61 41.79 -091.61 103

Jones County Tornadoes

192 APR 30, 1954 12 19:05 0 0 2 42.22 -091.20 42.45 -091.10 105,55,61 564 SEP 18, 1960 24 12:20 0 0 0 42.28 -091.10 00.00 0 105 621 JUN 27, 1965 26 21:30 0 0 1 42.12 -091.28 00.00 0 105 667 JUN 22, 1984 52 20:15 0 0 0 42.08 -091.27 00.00 0 105 534 AUG 14, 1985 24 11:40 0 0 0 42.10 -091.15 00.00 0 105 137 MAY 8, 1988 21 14:15 0 0 1 41.95 -091.33 42.00 -091.13 105 138 MAY 8, 1988 22 14:15 0 0 0 42.12 -091.28 00.00 0 105 91 MAR 13, 1990 10 17:08 0 0 1 42.23 -091.20 42.30 -091.10 105 1078 SEP 12, 1991 52 16:20 0 0 0 42.23 -091.22 00.00 0 105 792 JLY 13, 1992 23 14:42 0 0 3 42.18 -091.13 42.18 -091.03 105 793 JLY 13, 1992 24 14:45 0 0 2 41.97 -091.07 41.98 -090.92 105 963 JLY 27, 1995 33 16:21 0 0 0 42.23 -091.20 00.00 0 105 1252 MAY 15, 1998 21 17:30 0 0 0 42.02 -091.08 41.97 -090.95 105 90 JUN 10, 1999 50 13:16 0 0 0 42.02 -091.37 42.02 -091.37 105 862 MAY 31, 2000 24 11:00 0 0 0 42.12 -091.10 42.12 -091.10 105 260 AUG 23, 2002 32 19:06 0 0 0 42.12 -091.03 42.12 -091.03 105 602 JLY 20, 2003 23 21:47 0 0 0 42.00 -091.37 41.98 -091.30 105 369 MAY 21, 2004 22 16:06 0 0 1 42.02 -091.35 42.02 -091.25 105 379 MAY 30, 2004 62 14:56 0 0 0 42.22 -091.27 42.22 -091.25 105 354 APR 13, 2006 18 19:15 0 1 1 42.08 -091.33 42.08 -091.25 105 1338 JLY 10, 2008 17:50 0 0 0 42.22 -091.20 00.00 0 105 1050 AUG 19, 2009 16:20 0 0 0 42.02 -091.36 42.02 -091.36 105

Keokuk County Tornadoes

194 MAY 9, 1959 7 18:15 0 0 3 41.20 -091.98 41.28 -091.90 107 369 JUN 10, 1960 9 20:00 0 0 0 41.20 -091.98 00.00 0 107 823 SEP 20, 1965 45 19:15 0 4 3 41.33 -092.20 00.00 0 107 37 MAR 21, 1966 1 13:00 0 0 1 41.47 -092.12 00.00 0 107 307 MAY 18, 1971 9 16:00 0 0 1 41.33 -092.30 00.00 0 107 772 JLY 6, 1982 27 19:15 0 1 1 41.17 -092.32 00.00 0 107 553 JUN 18, 1983 17 16:50 0 0 1 41.45 -092.25 41.50 -092.15 107 509 JUN 7, 1984 27 20:33 0 1 2 41.47 -092.00 41.53 -091.60 107,183,103 80 APR 14, 1987 3 15:15 0 0 1 41.37 -091.97 00.00 0 107 105 MAY 17, 1987 5 17:15 0 0 0 41.38 -091.97 00.00 0 107 133 MAY 8, 1988 17 13:16 0 0 2 41.43 -092.17 41.55 -091.55 107,183,103 617 NOV 15, 1988 44 18:25 0 0 1 41.35 -092.18 41.57 -092.00 107,95 619 NOV 15, 1988 45 18:50 0 0 0 41.18 -092.05 00.00 0 107 748 JUN 16, 1990 43 21:40 0 0 0 41.33 -092.33 00.00 0 107 979 AUG 19, 1990 67 16:00 0 0 0 41.43 -092.17 00.00 0 107 568 JUN 19, 1992 16 17:30 0 0 0 41.33 -092.05 00.00 0 107 547 JUN 19, 1993 14 12:41 0 0 1 41.28 -092.23 00.00 0 107 708 APR 11, 2001 35 15:25 0 0 0 41.43 -092.03 41.47 -092.00 107 132 MAY 8, 2002 14 20:45 0 0 0 41.18 -092.00 41.18 -092.00 107 747 JUN 12, 2002 20 17:25 0 0 0 41.40 -092.00 41.40 -092.00 107 600 JUN 6, 2006 29 15:00 0 0 1 41.40 -091.98 41.40 -091.98 107 999 OCT 2, 2007 42 17:35 0 0 1 41.35 -092.31 41.36 -092.29 107 445 APR 10, 2008 18:03 0 0 0 41.47 -092.06 41.50 -092.06 107 446 APR 10, 2008 18:05 0 0 0 41.31 -091.95 00.00 0 107 372581 APR 14, 2012 20:35 0 0 1 41.17 -092.34 41.18 -092.26 107

Kossuth County Tornadoes

609 AUG 29, 1964 47 16:30 0 2 4 42.92 -094.23 43.12 -094.07 109 418 MAY 24, 1965 15 20:00 0 0 1 43.30 -094.40 43.33 -094.33 109 326 MAY 26, 1972 1 11:35 0 0 1 43.17 -094.03 43.13 -094.00 109 462 JLY 1, 1972 9 16:15 0 0 1 43.23 -094.03 00.00 0 109 467 JLY 1, 1972 10 19:10 0 0 1 43.22 -094.45 43.22 -094.43 109 583 JUN 9, 1974 17 12:30 0 0 2 43.08 -094.02 00.00 0 109 430 JUN 10, 1977 22 18:00 0 0 ? 43.43 -094.22 43.43 -094.17 109 422 JUN 14, 1978 2 22:20 0 0 1 43.28 -094.30 00.00 0 109 425 JUN 28, 1979 19 17:40 2 34 3 43.25 -094.25 43.02 -094.22 109 432 JUN 28, 1979 22 18:37 0 0 1 42.97 -094.25 42.92 -094.20 109 433 JUN 28, 1979 23 18:40 0 0 1 42.92 -094.07 42.65 -093.82 109,91,197 790 SEP 3, 1980 34 20:00 0 0 0 43.38 -094.10 00.00 0 109 791 SEP 3, 1980 35 20:00 0 0 0 43.40 -094.08 00.00 0 109 812 SEP 20, 1980 38 17:35 0 0 2 42.92 -094.12 42.97 -093.62 109,81 404 MAY 17, 1982 9 14:45 0 0 1 43.12 -094.13 43.18 -094.13 109 493 JUN 7, 1984 20 17:15 0 5 3 43.20 -094.22 43.32 -094.08 109 494 JUN 7, 1984 21 17:29 0 1 2 43.22 -094.07 43.45 -093.75 109,189 609 JUN 16, 1984 33 15:30 0 0 0 43.07 -094.23 00.00 0 109 422 JLY 11, 1987 26 16:17 0 0 1 43.32 -094.03 43.38 -093.95 109,189 631 JUN 29, 1993 18 16:55 0 0 0 43.08 -094.42 00.00 0 109 568 JUN 18, 1994 22 17:56 0 0 0 42.95 -094.08 00.00 0 109 967 MAY 15, 1998 11 13:30 0 0 2 43.02 -094.23 43.47 -094.10 109 462 AUG 3, 1998 71 19:08 0 0 0 43.28 -094.22 43.28 -094.22 109 232 JLY 25, 2005 30 18:02 0 0 0 42.98 -094.28 43.00 -094.27 109 517 APR 24, 2008 15:47 0 0 0 43.35 -094.22 00.00 0 109 1325 JLY 9, 2008 15:14 0 0 0 43.11 -094.08 43.11 -094.07 109 1362 JLY 19, 2008 17:00 0 0 0 43.00 -094.22 43.00 -094.21 109 663 JUN 17, 2010 8 16:11 0 0 0 43.37 -094.16 43.38 -094.16 109 669 JUN 17, 2010 9 16:24 0 0 0 43.46 -094.03 43.46 -094.02 109 283451 APR 9, 2011 28 22:19 0 0 1 42.92 -094.28 42.92 -094.26 109 301982 JUN 20, 2011 47 22:22 0 0 1 42.95 -094.32 42.96 -094.31 109

Lee County Tornadoes

186 APR 30, 1954 8 15:15 0 1 2 40.67 -091.50 41.83 -090.95 111,57,115,139,31 525 JUN 10, 1957 13 18:00 0 0 0 40.50 -091.50 00.00 0 111 528 JUN 11, 1957 14 11:33 0 0 ? 40.38 -091.47 00.00 0 111 40 MAR 28, 1958 1 10:30 0 0 ? 40.63 -091.27 00.00 0 111 49 MAR 29, 1960 1 19:00 0 0 2 40.67 -091.33 40.77 -091.30 111 13 JAN 24, 1967 6 16:15 1 6 3 40.67 -091.32 40.70 -091.23 111 14 JAN 24, 1967 7 16:20 0 4 2 40.70 -091.23 40.75 -091.20 111 225 APR 30, 1967 25 17:20 0 0 2 40.63 -091.32 40.67 -091.27 111 140 APR 28, 1968 8 19:45 0 0 ? 40.62 -091.32 00.00 0 111 141 APR 28, 1968 9 19:45 0 0 ? 40.62 -091.32 00.00 0 111 216 APR 21, 1973 9 18:10 0 0 1 40.78 -091.58 40.83 -091.52 111 200 MAY 4, 1977 4 14:30 0 0 2 40.78 -091.60 00.00 0 111 392 JUN 7, 1978 1 15:48 0 0 ? 40.68 -091.27 00.00 0 111 516 JLY 1, 1978 9 14:30 0 0 ? 40.67 -091.23 00.00 0 111 812 OCT 22, 1979 52 3:30 0 0 1 40.68 -091.37 00.00 0 111 465 MAY 21, 1982 17 15:18 0 0 0 40.65 -091.57 00.00 0 111 466 MAY 21, 1982 18 15:18 0 0 0 40.73 -091.47 00.00 0 111 74 MAR 12, 1990 3 22:40 0 0 0 40.70 -091.32 00.00 0 111 1237 APR 7, 1998 5 15:45 0 0 0 40.62 -091.42 40.62 -091.42 111 1238 APR 7, 1998 6 16:00 0 0 0 40.63 -091.32 40.63 -091.32 111 1239 APR 7, 1998 7 16:02 0 0 0 40.57 -091.50 40.57 -091.50 111 169 JUN 26, 2002 26 9:33 0 0 0 40.75 -091.70 40.75 -091.70 111 277 MAY 10, 2003 6 17:28 0 0 2 40.53 -091.58 40.63 -091.42 111 371 MAY 30, 2004 54 13:18 0 0 0 40.50 -091.55 40.50 -091.55 111 372 MAY 30, 2004 55 13:23 0 0 1 40.52 -091.53 40.52 -091.53 111 373 MAY 30, 2004 56 13:26 0 0 0 40.52 -091.48 40.52 -091.48 111 374 MAY 30, 2004 57 13:30 0 0 1 40.52 -091.43 40.53 -091.42 111 772 JUN 22, 2007 26 18:04 0 0 0 40.78 -091.52 40.78 -091.52 111 732 JUN 21, 2010 13 16:21 0 0 0 40.69 -091.35 40.69 -091.35 111

Linn County Tornadoes

185 MAY 20, 1953 12 22:10 0 7 3 41.98 -091.57 42.08 -091.02 113,105 191 APR 30, 1954 10 19:00 0 0 4 42.10 -091.75 43.18 -091.17 113,55,43,5 253 MAY 23, 1954 14 20:15 0 0 2 42.17 -091.67 00.00 0 113 230 MAY 29, 1956 3 17:30 0 0 0 42.17 -091.55 00.00 0 113 221 MAY 4, 1964 11 17:30 0 1 2 42.12 -091.47 42.15 -091.52 113 465 MAY 26, 1965 19 4:30 0 14 2 41.87 -091.90 42.05 -091.60 113 241 JUN 5, 1966 12 22:30 0 0 2 42.28 -091.50 00.00 0 113 538 OCT 14, 1966 32 15:00 0 0 2 42.05 -091.60 00.00 0 113 541 OCT 14, 1966 34 15:20 0 0 ? 41.90 -091.67 00.00 0 113 671 SEP 28, 1972 23 13:50 0 3 2 42.20 -091.78 42.42 -090.55 113,105,55,61 337 JUN 9, 1979 14 16:20 0 0 1 42.05 -091.83 42.10 -091.68 113 512 JLY 13, 1979 29 21:30 0 0 1 41.92 -091.42 00.00 0 113 926 OCT 6, 1982 32 12:21 0 0 0 42.03 -091.65 00.00 0 113 264 APR 29, 1984 5 18:18 0 0 0 42.28 -091.53 00.00 0 113 533 AUG 14, 1985 23 11:25 0 0 1 42.00 -091.65 00.00 0 113 551 AUG 18, 1987 35 5:23 0 0 0 42.03 -091.58 00.00 0 113 141 APR 26, 1989 5 15:22 0 0 1 42.03 -091.45 41.93 -091.42 113 86 MAR 13, 1990 8 16:53 0 0 4 42.23 -091.42 42.40 -091.12 113,105,55,61 853 JLY 4, 1990 56 22:20 0 0 0 42.00 -091.40 00.00 0 113 524 MAY 14, 1991 30 12:58 0 0 1 41.90 -091.42 00.00 0 113 1077 SEP 12, 1991 51 15:59 0 0 0 42.00 -091.65 00.00 0 113 968 JLY 27, 1995 38 17:45 0 0 0 42.07 -091.67 00.00 0 113 817 MAY 18, 1997 10 15:40 0 0 1 41.92 -091.37 41.90 -091.30 113,31 1247 MAY 8, 1998 8 17:40 0 0 0 42.20 -091.75 42.20 -091.75 113 1248 MAY 8, 1998 9 18:01 0 0 0 42.10 -091.72 42.10 -091.72 113 1254 MAY 28, 1998 30 18:05 0 0 0 42.07 -091.82 42.07 -091.82 113 1255 MAY 28, 1998 31 18:12 0 0 0 42.08 -091.75 42.08 -091.75 113 1280 JUN 18, 1998 44 15:40 0 0 0 41.92 -091.38 41.92 -091.38 113 87 JUN 10, 1999 49 13:00 0 0 0 42.00 -091.58 42.00 -091.58 113 771 JUN 10, 1999 51 13:17 0 0 0 42.28 -091.53 42.28 -091.53 113 861 MAY 31, 2000 23 10:38 0 1 0 42.15 -091.62 42.15 -091.62 113 714 APR 11, 2001 59 16:20 0 0 0 42.00 -091.65 42.00 -091.65 113 599 JLY 20, 2003 24 21:58 0 0 2 42.00 -091.77 42.00 -091.77 113 600 JLY 20, 2003 25 22:06 0 0 2 42.00 -091.65 42.00 -091.65 113 603 JLY 20, 2003 27 22:52 0 0 1 41.90 -091.43 41.90 -091.42 113 367 MAY 21, 2004 20 15:22 0 0 3 42.05 -091.82 42.07 -091.77 113 465 AUG 26, 2004 108 21:28 0 0 1 42.07 -091.62 42.07 -091.62 113 466 AUG 26, 2004 109 21:36 0 0 1 42.08 -091.50 42.10 -091.48 113 239 JUN 29, 2005 27 22:51 0 0 0 42.18 -091.53 42.18 -091.52 113 352 APR 13, 2006 16 18:40 0 0 0 42.10 -091.60 42.10 -091.60 113 842 JLY 18, 2007 29 18:15 0 0 1 42.23 -091.60 42.23 -091.60 113 340 APR 26, 2009 15:52 0 0 1 42.16 -091.67 42.35 -091.35 113,55

Louisa County Tornadoes

12 JAN 24, 1967 5 16:00 0 0 2 41.30 -091.37 41.35 -091.33 115 15 JAN 24, 1967 8 16:20 0 1 2 41.20 -091.28 00.00 0 115 173 MAY 9, 1970 3 15:15 0 0 2 41.22 -091.28 00.00 0 115 213 MAY 1, 1983 7 19:25 0 0 0 41.30 -091.50 00.00 0 115 1282 JUN 18, 1998 46 16:00 0 1 1 41.10 -091.05 41.10 -091.05 115 1283 JUN 18, 1998 47 16:10 0 0 0 41.27 -091.17 41.27 -091.17 115 133 APR 30, 2003 2 17:35 0 0 0 41.10 -091.25 41.15 -091.05 115 664 JUN 1, 2007 13 11:07 0 7 3 41.27 -091.19 41.46 -091.03 115,139

Lucas County Tornadoes

412 JUN 9, 1967 44 23:30 0 0 2 41.03 -093.32 00.00 0 117 605 JUN 8, 1982 21 20:15 0 0 0 41.12 -093.48 00.00 0 117 504 JUN 7, 1984 24 18:54 0 0 1 41.02 -093.42 00.00 0 117 416 JUN 10, 1986 19 20:05 0 0 0 40.98 -093.27 00.00 0 117 817 APR 8, 1999 16 16:18 0 5 3 41.07 -093.52 41.67 -093.25 117,181,125,99 1100 SEP 20, 2001 67 16:30 0 0 0 41.13 -093.40 41.13 -093.40 117 1580 SEP 5, 2004 117 19:48 0 0 0 41.08 -093.53 41.17 -093.53 117

Lyon County Tornadoes

148 JUN 19, 1951 2 16:00 0 0 1 43.38 -096.25 00.00 0 119 192 JLY 2, 1952 5 17:50 0 0 1 43.40 -096.10 00.00 0 119 379 JUN 19, 1954 17 21:00 0 0 2 43.28 -096.30 43.25 -096.25 119 495 JLY 25, 1960 16 23:54 0 0 1 43.45 -096.45 00.00 0 119 348 JLY 16, 1963 15 20:15 0 0 1 43.40 -096.20 43.43 -096.15 119 170 APR 19, 1973 1 16:00 0 0 1 43.30 -096.30 00.00 0 119 407 MAY 20, 1975 12 17:45 0 0 1 43.40 -096.18 00.00 0 119 454 JUN 19, 1978 6 16:50 0 0 ? 43.43 -096.02 00.00 0 119 571 JLY 6, 1978 15 19:05 0 0 2 43.47 -096.40 43.43 -096.12 119 350 MAY 29, 1980 1 16:15 0 0 0 43.32 -096.45 00.00 0 119 108 APR 21, 1985 1 18:00 0 0 1 43.45 -096.37 00.00 0 119 109 APR 21, 1985 2 18:14 0 0 0 43.50 -096.18 00.00 0 119 179 APR 26, 1986 2 18:30 1 2 2 43.40 -096.03 43.47 -095.93 119 to MN 105 180 APR 26, 1986 3 18:42 0 0 2 43.35 -096.38 43.45 -096.32 119 239 JUN 7, 1987 17 17:18 0 0 0 43.40 -096.08 00.00 0 119 327 MAY 23, 1989 14 19:25 0 0 0 43.35 -096.00 00.00 0 119 240 MAY 7, 1993 2 14:57 0 0 2 43.47 -096.48 43.52 -096.45 119 to SD 99 426 JUN 7, 1993 6 17:41 0 5 2 43.35 -095.90 43.40 -095.77 119,143 684 JLY 1, 1993 29 18:05 0 0 1 43.27 -096.00 00.00 0 119 169 APR 25, 1994 3 18:01 0 0 1 43.28 -096.23 43.33 -096.17 119 535 JUN 12, 1994 12 17:00 0 0 0 43.50 -096.18 00.00 0 119 1009 AUG 4, 1995 41 17:35 0 0 0 43.38 -095.95 00.00 0 119 930 JLY 7, 1997 14 15:55 0 0 0 43.32 -096.45 43.32 -096.45 119 931 JLY 7, 1997 15 16:25 0 0 0 43.32 -096.45 43.32 -096.45 119 561 JUN 27, 1998 54 15:30 0 0 0 43.37 -096.02 43.37 -096.02 119 1025 JLY 9, 2000 37 20:15 0 0 1 43.28 -096.13 43.23 -096.17 119,167 217 JUN 12, 2001 097 20:12 0 0 0 43.40 -096.00 43.40 -096.00 119 473 JUN 24, 2003 14 22:12 0 0 0 43.33 -096.32 43.33 -096.32 119 63 APR 18, 2004 2 15:58 0 0 1 43.28 -096.50 43.30 -096.42 119 183 MAY 9, 2004 9 19:15 0 0 0 43.37 -095.97 43.38 -095.97 119 556 MAY 1, 2008 18:30 0 0 0 43.28 -096.19 00.00 0 119 561 MAY 1, 2008 18:44 0 0 0 43.35 -096.04 00.00 0 119 1166 JUN 11, 2008 16:25 0 0 0 43.33 -096.00 43.34 -095.99 119 795 JUN 21, 2009 16:29 0 0 0 43.27 -096.20 43.26 -096.19 119 793 JUN 25, 2010 20 20:53 0 13 4 43.44 -095.95 43.38 -095.70 119,143 794 JUN 25, 2010 21 20:55 0 0 1 43.43 -095.90 43.41 -095.88 119

Madison County Tornadoes

263 JUN 7, 1953 19 21:15 0 0 2 41.42 -093.92 41.87 -091.75 121,181,153,99,157,95,103 648 SEP 12, 1972 21 18:19 0 0 1 41.17 -094.18 41.33 -093.87 121 578 JUN 12, 1976 4 17:45 0 0 1 41.47 -093.93 41.82 -093.33 121,49,153,169 579 JUN 12, 1976 5 19:15 0 0 1 41.40 -094.03 41.45 -093.73 121,181 284 MAY 23, 1981 18 16:36 0 0 0 41.45 -094.23 00.00 0 121 289 MAY 23, 1981 20 17:28 0 0 1 41.42 -094.08 00.00 0 121 83 APR 2, 1982 2 14:10 0 0 1 41.45 -094.17 00.00 0 121 447 MAY 20, 1982 12 9:30 0 0 0 41.38 -093.98 00.00 0 121 665 JUN 15, 1982 24 1:30 0 0 1 41.28 -094.18 00.00 0 121 1095 SEP 6, 2001 20 13:52 0 0 0 41.22 -093.90 41.22 -093.90 121 907 MAY 22, 2004 28 18:11 0 0 0 41.50 -094.23 41.50 -094.23 121 924 MAY 24, 2004 48 15:58 0 0 0 41.42 -094.13 41.42 -094.13 121 713 JUN 18, 2010 11 15:55 0 0 0 41.32 -093.81 41.32 -093.80 121 279357 MAR 22, 2011 7 17:18 0 0 2 41.37 -094.14 41.46 -093.98 121 281747 MAR 22, 2011 8 18:11 0 0 0 41.30 -094.16 41.30 -094.16 121

Mahaska County Tornadoes

321 JUN 27, 1953 23 20:00 0 1 2 41.40 -092.60 41.33 -092.73 123 425 AUG 18, 1956 7 5:30 0 0 2 41.38 -092.60 41.47 -092.40 123 455 MAY 25, 1965 18 20:00 0 0 2 41.33 -092.67 00.00 0 123 189 MAY 12, 1970 5 0:01 0 0 1 41.17 -092.83 00.00 0 123 303 MAY 18, 1971 5 14:00 0 0 0 41.45 -092.80 00.00 0 123 437 JUN 17, 1978 4 16:00 0 0 1 41.38 -092.65 00.00 0 123 739 SEP 16, 1978 22 20:35 0 1 ? 41.28 -092.67 00.00 0 123 740 SEP 16, 1978 23 20:45 0 0 ? 41.25 -092.50 00.00 0 123 661 AUG 19, 1979 45 22:30 0 0 1 41.47 -092.67 00.00 0 123 131 MAY 8, 1988 15 13:06 0 0 1 41.28 -092.55 41.32 -092.47 123 699 JLY 2, 1992 19 13:45 0 0 0 41.30 -092.50 00.00 0 123 163 JUN 14, 2001 42 15:45 0 0 1 41.33 -092.62 41.33 -092.62 123 995 OCT 2, 2007 40 16:53 0 0 0 41.23 -092.83 41.22 -092.77 123 996 OCT 2, 2007 41 16:55 0 0 0 41.18 -092.85 41.18 -092.84 123 436 APR 10, 2008 16:43 0 0 1 41.19 -092.71 41.23 -092.69 123 301418 JUN 20, 2011 44 3:59 0 0 1 41.46 -092.65 41.46 -092.65 123 365283 APR 14, 2012 20:22 0 0 1 41.25 -092.51 41.25 -092.48 123

Marion County Tornadoes

289 MAY 28, 1962 8 21:00 0 0 2 41.17 -093.20 41.30 -093.05 125 470 JUN 22, 1964 38 19:30 0 0 2 41.40 -092.90 41.47 -092.80 125 238 JUN 4, 1969 3 14:45 0 0 ? 41.40 -095.43 00.00 0 125 304 MAY 18, 1971 6 14:15 0 0 1 41.33 -093.10 00.00 0 125 350 JUN 5, 1972 3 17:56 0 0 2 41.22 -093.00 41.18 -092.97 125 324 APR 23, 1976 2 19:20 0 0 1 41.30 -093.27 41.35 -093.22 125 83 APR 10, 1981 9 17:55 0 0 0 41.47 -093.37 41.57 -093.27 125 371 MAY 15, 1982 5 14:10 0 0 1 41.38 -093.27 00.00 0 125 220 MAY 11, 1985 4 15:40 0 4 1 41.27 -092.88 41.27 -092.85 125,123 417 JUN 10, 1986 20 20:43 0 0 0 41.32 -092.93 00.00 0 125 625 AUG 14, 1986 37 17:37 0 0 1 41.47 -093.08 00.00 0 125 403 JLY 8, 1987 22 14:50 0 0 0 41.43 -092.97 00.00 0 125 970 MAY 19, 1998 24 15:45 0 0 0 41.38 -093.28 41.38 -093.27 125 54 MAY 8, 2002 13 19:15 0 0 0 41.38 -093.27 41.38 -093.27 125 825 MAY 10, 2003 4 16:26 0 0 1 41.18 -093.12 41.35 -092.83 125,123 819 JUN 13, 2005 23 19:30 0 0 0 41.22 -093.25 41.22 -093.25 125 820 JUN 13, 2005 24 19:47 0 0 0 41.23 -093.22 41.23 -093.22 125 822 JUN 13, 2005 25 19:53 0 0 0 41.38 -093.00 41.38 -093.00 125 703 JUN 7, 2007 17 11:48 0 0 0 41.24 -093.15 41.24 -093.15 125 982 SEP 30, 2007 35 17:26 0 0 2 41.46 -092.87 41.70 -092.60 125,123,99,157 991 MAY 30, 2008 4:07 0 10 2 41.23 -093.12 41.28 -092.74 125,123

Marshall County Tornadoes

104 JUN 1, 1951 1 21:15 0 7 3 42.07 -092.92 00.00 0 127 203 APR 23, 1961 3 10:15 1 12 3 42.03 -092.92 42.25 -091.22 127,171,11,113,105 290 MAY 28, 1962 9 21:00 0 5 2 41.87 -092.78 00.00 0 127 274 JUN 11, 1966 15 19:45 0 0 1 41.83 -092.97 00.00 0 127 247 JUN 6, 1969 4 18:30 0 0 2 41.87 -092.78 00.00 0 127 248 JUN 6, 1969 5 22:50 0 0 1 42.05 -092.93 00.00 0 127 262 JUN 11, 1969 6 20:15 0 0 2 41.83 -092.78 00.00 0 127 292 JUN 22, 1969 9 16:25 0 0 0 42.05 -093.10 00.00 0 127 625 JUN 18, 1974 19 20:01 0 0 0 42.10 -092.87 00.00 0 127 738 SEP 16, 1978 21 19:25 6 045 3 41.97 -093.18 41.65 -092.70 127,99,157 82 APR 10, 1981 8 17:55 0 9 2 41.88 -093.17 41.95 -093.08 127 425 JLY 11, 1987 27 22:46 0 0 0 42.03 -092.92 00.00 0 127 347 MAY 24, 1989 18 19:40 0 0 0 42.02 -092.82 00.00 0 127 1074 SEP 12, 1991 48 14:30 0 0 1 42.17 -093.00 00.00 0 127 820 JLY 18, 1993 43 11:38 0 0 0 42.05 -092.92 00.00 0 127 109 APR 14, 1994 2 22:21 0 0 1 42.07 -093.10 00.00 0 127 168 MAY 19, 1996 9 17:30 0 0 0 42.00 -092.77 42.00 -092.77 127 1118 JUN 29, 1998 64 12:50 0 0 1 42.05 -092.90 42.05 -092.88 127 906 JUN 13, 2000 32 17:44 0 0 1 42.08 -093.25 42.10 -093.00 127 913 MAY 22, 2004 34 19:19 0 0 0 41.92 -092.92 41.92 -092.92 127 919 MAY 22, 2004 41 19:40 0 0 1 41.93 -093.10 41.98 -092.78 127 1453 AUG 3, 2004 097 16:20 0 0 1 42.12 -093.00 42.12 -092.90 127 1460 AUG 26, 2004 107 19:40 0 0 1 41.92 -093.10 41.93 -093.05 127 1581 SEP 5, 2004 120 20:17 0 0 1 41.98 -093.20 42.03 -093.22 127 1583 SEP 5, 2004 121 20:17 0 0 0 41.98 -093.20 42.02 -093.17 127 1160 JUN 8, 2008 15:10 0 0 1 41.91 -092.84 41.91 -092.82 127 1364 JLY 19, 2008 19:10 0 0 0 42.07 -092.93 42.07 -092.92 127

Mills County Tornadoes

75 MAY 4, 1950 1 21:00 0 0 1 40.95 -095.73 00.00 0 129 242 MAY 6, 1971 4 9:30 0 0 1 41.05 -094.78 00.00 0 129 702 AUG 28, 1979 48 17:25 2 14 3 40.92 -095.77 40.53 -095.22 129,71,145 455 AUG 22, 1988 40 3:00 0 0 0 40.98 -095.52 00.00 0 129 740 SEP 4, 1989 26 1:35 0 0 0 41.15 -095.72 00.00 0 129 508 JUN 16, 1992 12 23:14 0 0 2 41.15 -095.90 41.15 -095.83 129 715 JLY 4, 1992 20 19:57 0 0 0 40.95 -095.40 00.00 0 129 881 JLY 24, 1993 45 20:42 0 0 1 40.92 -095.77 40.90 -095.75 129,71 391 MAY 16, 1999 20 14:05 0 0 0 41.00 -095.82 41.00 -095.80 129 from NE 25 537 OCT 31, 2000 45 20:08 0 0 1 41.02 -095.75 41.05 -095.75 129 71 APR 11, 2001 7 11:37 0 0 0 40.98 -095.43 41.00 -095.45 129 74 APR 11, 2001 9 11:45 0 0 1 41.13 -095.75 41.17 -095.75 129 81 APR 27, 2002 12 15:58 0 0 0 41.00 -095.80 41.00 -095.80 129 516 MAY 5, 2007 4 18:09 0 0 0 40.98 -095.77 41.04 -095.77 129 1046 JUN 4, 2008 17:04 0 0 1 40.94 -095.81 41.01 -095.80 129 1052 JUN 4, 2008 17:50 0 0 1 41.00 -095.40 40.96 -095.49 129

Mitchell County Tornadoes

252 MAY 23, 1954 13 18:00 0 0 2 43.28 -092.80 00.00 0 131 273 JUN 11, 1966 14 19:00 0 0 2 43.38 -092.90 00.00 0 131 337 JUN 26, 1969 11 15:20 0 0 1 43.38 -092.78 00.00 0 131 506 JUN 3, 1974 14 17:35 0 0 1 43.28 -092.73 43.32 -092.67 131 295 MAY 23, 1981 21 17:55 0 0 2 43.27 -092.92 43.30 -092.83 131 32 MAR 24, 1988 3 16:22 0 0 0 43.35 -092.57 00.00 0 131 439 JUN 8, 1993 10 12:20 0 0 2 43.22 -092.78 43.28 -092.73 131 835 JLY 31, 1994 45 17:26 0 0 1 43.45 -092.82 00.00 0 131 917 AUG 17, 1994 48 17:56 0 0 0 43.28 -092.75 00.00 0 131 1334 JUN 11, 2004 74 16:17 0 0 1 43.25 -092.60 43.28 -092.58 131 1344 JUN 16, 2004 089 13:47 0 0 1 43.32 -092.65 43.28 -092.75 131 638 MAR 30, 2005 8 14:04 0 0 0 43.28 -092.93 43.28 -092.93 131 637 MAR 30, 2005 9 14:13 0 0 0 43.43 -092.78 43.47 -092.73 131 1138 JUN 7, 2008 15:50 0 0 0 43.45 -092.81 43.45 -092.80 131 1141 JUN 7, 2008 16:28 0 0 0 43.35 -093.02 43.36 -093.00 131

Monona County Tornadoes

58 MAR 21, 1953 2 13:00 0 0 1 42.05 -095.72 41.93 -095.87 133 176 MAY 18, 1962 6 17:00 0 0 1 42.10 -095.90 42.13 -095.85 133 788 SEP 9, 1965 40 12:30 0 0 1 42.03 -095.97 00.00 0 133 789 SEP 9, 1965 41 13:00 0 0 2 42.05 -095.90 42.12 -095.72 133 398 JUN 8, 1967 41 21:30 0 0 1 42.08 -095.70 42.12 -095.60 133,47 402 JUN 24, 1968 21 18:35 0 0 ? 41.70 -096.00 00.00 0 133 403 JUN 24, 1968 22 18:35 0 0 ? 41.60 -095.80 00.00 0 133 685 AUG 15, 1977 29 16:00 0 0 ? 41.97 -095.77 00.00 0 133 360 JLY 5, 1987 20 17:20 0 0 0 42.17 -096.23 00.00 0 133 672 MAY 28, 1991 36 0:56 0 0 2 41.93 -095.95 41.93 -095.88 133 501 JUN 16, 1992 10 22:01 0 0 0 42.00 -095.75 00.00 0 133 283 MAY 21, 1998 25 19:30 0 0 0 42.08 -095.92 42.08 -095.92 133 415 JUN 23, 1998 48 18:30 0 0 2 42.20 -096.25 42.20 -096.25 133 426 JUN 23, 1998 51 19:20 0 0 0 42.20 -096.18 42.20 -096.18 133 535 JLY 6, 1998 67 17:40 0 0 0 41.95 -096.07 41.95 -096.07 133 392 MAY 16, 1999 21 14:33 0 0 2 42.08 -095.75 42.12 -095.32 133,47 258 JUN 13, 2001 099 20:20 0 0 0 42.22 -096.20 42.22 -096.20 133 389 AUG 17, 2001 089 17:39 0 0 0 42.08 -096.17 42.07 -096.10 133 388 AUG 17, 2001 092 18:47 0 0 0 42.13 -096.25 42.13 -096.25 133 975 MAY 29, 2008 19:00 0 0 1 41.88 -095.91 41.88 -095.84 133 1184 JUN 11, 2008 18:20 0 0 0 42.13 -095.83 42.13 -095.83 133 283803 APR 9, 2011 9 18:20 0 14 3 42.15 -095.83 42.18 -095.78 133 302613 JUN 20, 2011 45 19:45 0 0 1 41.90 -095.97 42.00 -095.91 133 366428 APR 14, 2012 13:28 0 0 0 42.14 -096.01 42.15 -096.01 133

Monroe County Tornadoes

472 JUN 22, 1964 39 20:45 0 0 1 41.05 -092.80 41.10 -092.70 135 831 OCT 14, 1984 60 16:15 0 2 1 41.13 -092.87 41.22 -095.85 135,125 206 MAY 8, 1986 5 14:50 0 0 0 41.00 -092.82 00.00 0 135 607 NOV 15, 1988 43 16:29 0 4 2 40.90 -093.03 40.95 -092.97 135 765 JLY 9, 1993 39 1:00 0 0 0 41.03 -092.82 00.00 0 135 166 MAY 9, 1996 6 2:47 0 0 0 41.03 -092.85 41.03 -092.83 135 167 MAY 9, 1996 7 23:36 0 2 1 41.08 -092.75 41.07 -092.73 135 712 APR 30, 2003 1 17:30 0 0 0 41.08 -092.70 41.08 -092.62 135,179 1208 NOV 12, 2005 46 18:40 0 0 1 40.97 -092.72 40.97 -092.72 135

Montgomery County Tornadoes

88 MAY 8, 1950 2 19:20 0 0 2 41.03 -095.27 41.02 -095.22 137 319 JUN 27, 1953 21 16:45 0 0 1 41.02 -095.08 00.00 0 137 242 APR 25, 1957 2 11:30 0 0 0 41.10 -095.00 00.00 0 137,3 472 MAY 25, 1957 6 23:15 0 0 0 40.92 -095.12 40.97 -095.05 137 158 MAY 4, 1959 1 21:20 0 0 1 41.17 -095.17 41.23 -095.03 137 203 MAY 10, 1959 11 14:30 0 0 2 40.93 -095.05 00.00 0 137 514 AUG 6, 1960 17 22:30 0 0 1 41.20 -095.13 00.00 0 137 91 APR 12, 1964 2 16:50 0 0 2 40.90 -095.05 00.00 0 137 122 APR 20, 1964 6 22:00 0 1 2 40.90 -095.38 00.00 0 137 407 MAY 13, 1974 4 16:30 0 0 3 41.13 -095.07 41.22 -094.88 137,29 272 MAY 23, 1981 13 14:32 0 0 0 41.13 -095.00 00.00 0 137 124 MAY 20, 1987 8 22:45 0 0 1 41.05 -095.00 41.08 -094.93 137 164 MAY 26, 1987 12 15:35 0 0 0 40.98 -095.12 00.00 0 137 937 JLY 25, 1990 62 19:30 0 0 0 40.97 -095.37 00.00 0 137 519 JUN 13, 1993 12 14:30 0 0 1 41.10 -095.12 00.00 0 137 258 APR 8, 1999 9 13:38 0 0 1 40.98 -095.25 41.07 -095.17 137 260 APR 8, 1999 11 13:54 0 0 0 40.92 -095.00 40.97 -094.95 137 325 JUN 13, 2000 31 15:26 0 0 0 40.95 -095.25 41.03 -095.12 137 543 MAY 5, 2007 6 19:40 0 0 2 41.05 -095.32 41.26 -095.36 137,155 560 MAY 6, 2007 8 1:21 0 0 1 40.94 -095.18 41.00 -095.06 137 93 MAR 23, 2009 18:52 0 0 0 40.92 -095.07 40.95 -095.04 137 94 MAR 23, 2009 18:56 0 0 0 41.01 -094.99 41.03 -094.98 137

Muscatine County Tornadoes

235 NOV 17, 1952 6 13:20 0 0 0 41.55 -091.08 00.00 0 139 346 JUN 4, 1964 25 15:55 0 0 0 41.55 -091.10 00.00 0 139 194 MAY 23, 1966 8 15:30 0 0 2 41.60 -091.27 41.65 -091.18 139 283 MAY 7, 1967 32 16:34 0 0 2 41.53 -090.90 41.48 -090.75 139,163 429 MAY 16, 1974 9 18:10 0 0 0 41.28 -091.12 00.00 0 139 691 AUG 16, 1977 34 0:01 0 1 ? 41.58 -091.02 00.00 0 139 565 JLY 27, 1979 31 19:45 0 0 0 41.42 -091.32 00.00 0 139 584 JLY 30, 1979 34 4:00 0 0 1 41.40 -092.65 00.00 0 139 557 JUN 17, 1980 21 23:20 0 0 1 41.57 -091.17 00.00 0 139 556 AUG 21, 1987 36 0:38 0 0 1 41.42 -091.05 00.00 0 139 135 MAY 8, 1988 19 14:10 0 0 1 41.55 -091.32 00.00 0 139 612 MAY 17, 1991 32 15:10 0 0 1 41.38 -091.35 00.00 0 139 614 MAY 17, 1991 34 15:10 0 0 1 41.48 -090.97 41.57 -090.73 139,163 287 MAY 9, 1995 2 14:43 0 0 0 41.42 -091.07 00.00 0 139 288 MAY 9, 1995 3 15:06 0 0 0 41.42 -091.05 00.00 0 139 289 MAY 9, 1995 4 15:07 0 0 0 41.53 -091.02 00.00 0 139 291 MAY 9, 1995 6 15:29 0 0 0 41.53 -090.82 00.00 0 139 293 MAY 9, 1995 8 15:55 0 0 3 41.58 -090.87 41.72 -090.88 139,163 973 JLY 27, 1995 39 18:45 0 0 0 41.58 -091.28 00.00 0 139 714 APR 30, 1997 1 14:00 0 0 0 41.42 -091.05 41.52 -090.92 139 1000 JUN 14, 2001 082 17:01 0 3 2 41.47 -090.80 41.55 -090.73 139,163 811 AUG 21, 2002 30 17:15 0 0 1 41.47 -091.05 41.47 -090.98 139 360 APR 13, 2006 24 20:13 0 0 0 41.40 -091.12 41.38 -091.05 139 to IL 161 526 APR 25, 2008 14:15 0 0 2 41.53 -091.26 41.58 -091.12 139

O'Brien County Tornadoes

193 JLY 17, 1951 4 17:45 0 2 1 43.18 -095.87 00.00 0 141 278 JUN 9, 1963 14 17:10 0 0 0 42.97 -095.70 00.00 0 141 215 MAY 5, 1965 5 14:30 0 0 2 43.17 -095.48 43.40 -095.78 141,143 48 APR 3, 1968 3 15:20 0 0 2 42.98 -095.82 00.00 0 141 25 APR 8, 1969 1 18:00 0 0 1 43.18 -095.47 00.00 0 141 365 MAY 31, 1971 15 13:15 0 0 3 43.22 -095.95 43.50 -095.33 141,143,59 to MN 63 780 OCT 1, 1971 33 13:55 0 0 3 43.03 -095.48 43.15 -095.32 141,41 957 OCT 9, 1973 32 21:00 0 0 1 43.12 -095.78 00.00 0 141 688 JLY 19, 1980 29 17:55 0 0 2 43.02 -095.62 43.07 -095.57 141 483 JUN 7, 1984 11 16:04 0 0 1 43.07 -095.62 43.13 -095.53 141 413 JUN 10, 1986 18 17:55 0 0 0 43.10 -095.67 00.00 0 141 575 JLY 28, 1986 31 18:38 0 0 1 43.18 -095.87 00.00 0 141 423 JUN 7, 1993 3 17:30 0 0 1 43.13 -095.77 00.00 0 141 425 JUN 7, 1993 5 17:40 0 0 0 43.12 -095.57 00.00 0 141 493 JUN 5, 1999 36 17:12 0 0 0 42.97 -095.63 42.98 -095.60 141 424 JLY 9, 2000 38 21:30 0 0 1 43.18 -095.87 43.18 -095.87 141 690 APR 30, 2001 66 16:30 0 0 0 43.13 -095.87 43.15 -095.82 141 691 APR 30, 2001 70 16:35 0 0 0 43.12 -095.87 43.13 -095.80 141 224 JUN 13, 2001 100 20:20 0 0 1 42.93 -095.55 43.00 -095.50 141 172 JUN 7, 2002 18 16:55 0 0 0 43.18 -095.90 43.18 -095.90 141 184 MAY 9, 2004 10 19:30 0 0 0 43.13 -095.48 43.13 -095.48 141 116 MAY 18, 2005 13 15:34 0 0 0 43.12 -095.48 43.12 -095.48 141 560 MAY 1, 2008 18:42 0 0 0 43.14 -095.87 00.00 0 141 1170 JUN 11, 2008 16:49 0 0 0 42.98 -095.67 42.99 -095.66 141 1172 JUN 11, 2008 17:06 0 0 2 42.98 -095.54 43.06 -095.51 141 1174 JUN 11, 2008 17:20 0 0 1 42.93 -095.55 42.94 -095.54 141 508 JUN 1, 2010 1 12:22 0 0 0 43.20 -095.73 43.20 -095.73 141 762 JUN 22, 2010 18 22:25 0 0 0 42.94 -095.69 42.94 -095.69 141 797 JUN 25, 2010 24 22:05 0 0 0 43.09 -095.85 43.08 -095.84 141 798 JUN 25, 2010 25 22:42 0 0 1 42.97 -095.78 42.94 -095.73 141 382751 MAY 4, 2012 14:50 0 0 0 43.09 -095.69 43.09 -095.68 141

Osceola County Tornadoes

281 MAY 8, 1964 23 12:35 0 0 2 43.43 -095.43 43.48 -095.35 143 371 JLY 9, 1966 22 3:30 0 0 2 43.43 -095.42 00.00 0 143 342 JUN 13, 1968 16 17:50 0 0 2 43.38 -095.50 00.00 0 143 366 MAY 31, 1971 16 13:20 0 0 3 43.33 -095.53 43.45 -095.45 143 657 AUG 19, 1979 42 16:30 0 0 0 43.30 -095.83 00.00 0 143 436 JUN 14, 1981 26 4:00 0 0 2 43.42 -095.55 43.48 -095.12 143,59 437 JUN 14, 1981 27 4:00 0 0 2 43.43 -095.55 43.50 -095.12 143,59 597 JUN 6, 1982 20 15:00 0 0 2 43.40 -095.72 00.00 0 143 759 JUN 2, 1991 38 16:25 0 0 0 43.32 -095.60 00.00 0 143 628 JUN 29, 1993 17 14:31 0 0 0 43.45 -095.77 00.00 0 143 536 JUN 12, 1994 13 17:58 0 0 0 43.45 -095.45 00.00 0 143 861 AUG 7, 1994 47 20:16 0 1 3 43.47 -095.85 43.42 -095.77 143 563 JUN 27, 1998 55 15:45 0 0 1 43.37 -095.72 43.37 -095.62 143 429 JLY 11, 2000 39 19:36 0 0 0 43.47 -095.77 43.47 -095.77 143 220 JUN 12, 2001 105 20:45 0 0 0 43.42 -095.55 43.42 -095.55 143 223 JUN 13, 2001 096 19:52 0 0 0 43.32 -095.62 43.32 -095.62 143 562 MAY 1, 2008 19:05 0 0 0 43.33 -095.79 00.00 0 143 1167 JUN 11, 2008 16:29 0 0 0 43.34 -095.83 43.35 -095.82 143 795 JUN 25, 2010 22 21:45 0 0 0 43.28 -095.75 43.28 -095.75 143 803 JUN 26, 2010 26 19:12 0 0 0 43.43 -095.54 43.43 -095.54 143 804 JUN 26, 2010 27 19:15 0 0 0 43.31 -095.79 43.31 -095.79 143 312196 MAY 11, 2011 34 18:07 0 0 0 43.31 -095.79 43.31 -095.78 143

Page County Tornadoes

85 APR 5, 1954 1 17:20 0 2 4 40.58 -095.32 40.62 -095.27 145 from MO 5 87 APR 5, 1954 3 17:30 0 0 3 40.60 -095.23 40.67 -095.17 145 57 APR 3, 1955 1 19:00 0 0 1 40.75 -095.03 00.00 0 145 121 APR 23, 1955 5 13:10 0 0 2 40.63 -095.23 00.00 0 145 613 NOV 27, 1960 27 23:15 0 0 1 40.73 -095.08 40.78 -095.00 145 90 APR 12, 1964 1 16:45 1 28 4 40.67 -095.23 40.83 -095.10 145 438 JUN 19, 1964 29 19:10 0 2 3 40.72 -095.35 40.83 -095.18 145 439 JUN 19, 1964 30 20:21 0 1 3 40.73 -095.05 40.83 -094.88 145,173 642 SEP 22, 1964 54 15:10 0 0 2 40.65 -095.23 40.80 -095.12 145 389 JUN 7, 1967 36 19:00 0 0 1 40.63 -095.05 00.00 0 145 318 MAY 23, 1971 12 14:28 0 0 0 40.75 -095.33 00.00 0 145 322 MAY 23, 1971 13 16:40 0 0 1 40.73 -094.93 00.00 0 145 581 JUN 18, 1975 22 6:00 0 0 2 40.67 -095.23 00.00 0 145 64 MAR 29, 1979 2 18:00 0 16 4 40.57 -095.03 40.70 -094.92 145 754 SEP 5, 1979 51 23:45 0 0 1 40.82 -095.28 00.00 0 145 271 MAY 23, 1981 12 14:32 0 0 0 40.70 -095.05 00.00 0 145 195 MAY 1, 1983 2 13:30 0 0 1 40.87 -095.30 40.95 -095.13 145,137 196 MAY 1, 1983 3 13:30 0 0 0 40.70 -095.22 00.00 0 145 200 MAY 1, 1983 5 14:10 0 0 0 40.62 -095.05 00.00 0 145 253 MAY 6, 1983 9 17:50 0 0 1 40.83 -095.02 00.00 0 145 487 JUN 7, 1984 15 16:20 0 3 3 40.73 -095.03 40.98 -094.73 145,173,3 161 MAY 26, 1987 10 15:15 0 0 1 40.77 -095.37 00.00 0 145 407 JLY 8, 1987 25 23:20 0 0 1 40.65 -095.15 00.00 0 145 256 APR 8, 1999 7 13:22 0 0 1 40.77 -095.37 40.82 -095.30 145 257 APR 8, 1999 8 13:36 0 1 1 40.62 -095.12 40.73 -095.03 145 259 APR 8, 1999 10 13:48 0 0 1 40.75 -095.00 40.88 -094.95 145 324 JUN 13, 2000 30 15:20 0 0 0 40.85 -095.32 40.87 -095.28 145 203 JLY 26, 2002 29 19:48 0 0 1 40.68 -094.97 40.70 -095.00 145 463 AUG 26, 2004 103 17:25 0 0 0 40.67 -095.28 40.67 -095.25 145 464 AUG 26, 2004 104 17:30 0 0 2 40.67 -095.20 40.65 -095.03 145 1094 JUN 5, 2008 18:24 0 0 0 40.80 -095.31 40.82 -095.29 145

Palo Alto County Tornadoes

60 APR 5, 1958 5 14:00 0 0 ? 42.95 -094.83 00.00 0 147 301 MAY 28, 1959 19 6:30 0 0 2 43.17 -094.90 43.20 -094.85 147 555 AUG 3, 1961 7 14:05 0 0 0 42.97 -094.72 00.00 0 147 221 APR 30, 1967 21 16:10 0 0 2 43.12 -094.67 43.30 -094.53 147,63 504 JUN 14, 1967 48 22:00 0 0 0 43.07 -094.83 00.00 0 147 620 JUN 21, 1975 24 12:25 0 0 0 43.00 -094.70 00.00 0 147 600 JUN 14, 1976 14 18:00 0 0 2 43.15 -094.90 43.48 -094.60 147,63 429 JUN 10, 1977 21 18:00 0 0 ? 43.23 -094.77 43.22 -094.43 147,109 597 JLY 14, 1978 19 17:00 0 0 1 43.13 -094.57 43.07 -094.47 147,109 598 JLY 14, 1978 20 17:00 0 0 1 43.13 -094.57 43.07 -094.47 147,109 427 JUN 28, 1979 20 18:00 0 0 0 42.90 -094.70 00.00 0 147 687 JLY 19, 1980 28 17:35 0 0 2 42.83 -094.83 43.03 -094.38 147,109 539 JUN 12, 1994 15 19:20 0 0 2 43.13 -094.92 43.12 -094.63 147 784 JLY 19, 1994 35 17:25 0 0 1 43.08 -094.62 43.05 -094.52 147 785 JLY 19, 1994 36 17:30 0 0 1 43.22 -094.60 43.22 -094.42 147 304 JLY 26, 1997 19 9:30 0 0 1 43.10 -094.72 43.10 -094.68 147 508 SEP 13, 2000 43 19:30 0 0 0 43.00 -094.80 43.00 -094.80 147 1283 JUN 11, 2004 65 14:00 0 0 1 43.13 -094.93 43.15 -094.77 147

Plymouth County Tornadoes

224 AUG 26, 1951 5 23:59 0 0 1 42.85 -095.95 42.92 -095.87 149 255 JUN 7, 1953 14 18:15 0 0 2 42.75 -096.60 42.87 -096.43 149 271 MAY 27, 1954 15 20:00 0 0 2 42.82 -096.08 42.85 -096.03 149 46 MAR 16, 1963 1 12:15 0 0 2 42.80 -096.20 00.00 0 149 277 JUN 9, 1963 13 16:45 0 2 2 42.77 -096.62 00.00 0 149 280 MAY 8, 1964 22 11:45 0 0 3 42.78 -096.17 42.82 -095.98 149 405 JUN 13, 1964 27 16:00 0 0 0 42.80 -095.98 00.00 0 149 628 SEP 7, 1964 52 17:00 0 0 2 42.70 -096.25 00.00 0 149 629 SEP 7, 1964 53 17:30 0 0 2 42.78 -095.97 42.78 -095.80 149 324 MAY 15, 1965 10 11:15 0 0 ? 42.80 -095.97 00.00 0 149 531 JUN 7, 1965 23 19:00 0 0 3 42.87 -096.30 42.80 -096.08 149 499 JUN 14, 1967 46 21:10 0 3 3 42.80 -096.58 42.87 -096.48 149 502 JUN 14, 1967 47 21:45 0 0 2 42.88 -096.17 00.00 0 149 379 JUN 22, 1968 19 22:32 0 0 1 43.47 -096.30 00.00 0 149 431 JLY 14, 1970 14 16:02 0 0 2 42.60 -096.00 00.00 0 149 639 SEP 6, 1972 17 17:00 0 0 0 42.82 -096.00 00.00 0 149 956 OCT 9, 1973 31 21:00 0 0 1 42.60 -096.25 42.65 -096.17 149 495 JUN 3, 1975 18 23:10 0 0 1 42.73 -096.12 00.00 0 149 556 JLY 7, 1977 26 22:10 0 0 ? 42.78 -096.17 00.00 0 149 577 JLY 10, 1977 27 23:15 0 0 ? 42.78 -096.18 00.00 0 149 557 JLY 5, 1978 10 16:20 0 0 2 42.90 -096.55 42.78 -096.17 149 295 MAY 26, 1979 8 12:15 0 0 ? 42.82 -096.00 42.77 -095.95 149 494 JUN 6, 1980 16 23:05 0 0 1 42.82 -096.28 42.78 -096.20 149 689 JLY 19, 1980 30 18:00 0 0 1 42.87 -095.93 00.00 0 149 510 AUG 4, 1985 19 17:30 0 0 1 42.82 -096.22 00.00 0 149 210 MAY 8, 1986 8 16:05 0 0 0 42.92 -096.05 00.00 0 149 147 APR 27, 1989 10 18:45 0 0 0 42.72 -096.02 00.00 0 149 1029 AUG 7, 1991 45 16:14 0 0 2 42.78 -096.17 00.00 0 149 1030 AUG 7, 1991 46 16:55 0 0 2 42.82 -095.90 42.75 -095.78 149,35 540 JUN 12, 1994 16 19:30 0 0 2 42.78 -096.27 42.82 -095.93 149 576 JUN 20, 1994 25 16:05 0 0 0 42.72 -096.25 00.00 0 149 594 JLY 1, 1996 17 16:40 0 0 0 42.75 -096.60 42.75 -096.60 149 932 JLY 7, 1997 16 17:40 0 0 0 42.78 -096.10 42.78 -096.10 149 933 JLY 7, 1997 17 18:19 0 0 0 42.62 -095.92 42.63 -095.90 149 393 JLY 27, 1997 20 10:36 0 0 0 42.72 -096.17 42.72 -096.17 149 560 JUN 23, 1998 52 19:30 0 0 0 42.75 -096.60 42.75 -096.60 149 492 JUN 5, 1999 35 16:15 0 0 0 42.83 -096.40 42.83 -096.40 149 403 AUG 17, 2001 69 16:34 0 0 0 42.78 -095.93 42.78 -095.93 149 219 JUN 4, 2005 19 20:50 0 0 0 42.82 -096.55 42.82 -096.53 149 325085 JUN 20, 2011 46 20:40 0 0 0 42.67 -096.09 42.67 -096.07 149

Pocahontas County Tornadoes

489 JUN 2, 1965 22 17:30 0 0 ? 42.83 -094.70 00.00 0 151 432 JLY 28, 1966 26 3:30 0 0 ? 42.87 -094.88 00.00 0 151 212 MAY 4, 1977 9 18:30 0 0 ? 42.55 -094.87 00.00 0 151 428 JUN 28, 1979 21 18:02 3 26 4 42.63 -094.60 42.45 -094.43 151,25 487 MAY 26, 1982 19 14:50 0 0 0 42.60 -094.82 00.00 0 151 486 JUN 7, 1984 14 16:17 0 2 2 42.85 -094.85 43.03 -094.53 151,147 491 JUN 7, 1984 18 17:00 0 0 2 42.83 -094.70 42.93 -094.58 151 286 MAY 23, 1985 7 13:40 0 0 0 42.73 -094.68 00.00 0 151 531 AUG 13, 1985 22 14:03 0 0 1 42.75 -094.52 00.00 0 151 525 JUN 1, 1990 20 22:45 0 0 1 42.63 -094.60 42.68 -094.53 151 765 JUN 19, 1990 47 5:15 0 0 2 42.80 -094.53 42.53 -094.53 151,25 385 APR 29, 1991 26 13:50 0 0 1 42.80 -094.75 42.82 -094.72 151 386 APR 29, 1991 27 13:55 0 0 1 42.83 -094.85 00.00 0 151 115 APR 15, 1992 2 14:56 0 0 1 42.70 -094.57 42.73 -094.50 151 632 JUN 29, 1993 19 17:45 0 0 0 42.73 -094.72 00.00 0 151 633 JUN 29, 1993 20 17:45 0 0 2 42.83 -094.75 42.77 -094.48 151 249 MAY 28, 1998 29 14:40 0 0 0 42.80 -094.75 42.80 -094.75 151 1059 OCT 13, 2000 44 17:45 0 0 1 42.83 -094.70 42.93 -094.50 151,147 905 MAY 21, 2004 24 17:00 0 0 1 42.82 -094.60 42.80 -094.52 151 903 MAY 21, 2004 25 17:08 0 15 2 42.82 -094.52 42.80 -094.32 151,91 921 JLY 22, 2010 30 1:38 0 0 1 42.71 -094.68 42.74 -094.65 151 283450 APR 9, 2011 23 20:54 0 0 4 42.73 -094.86 42.72 -094.79 151 286544 APR 9, 2011 24 20:55 0 0 1 42.69 -094.81 42.71 -094.80 151 286538 APR 9, 2011 25 20:55 0 0 1 42.69 -094.81 42.71 -094.80 151 286555 APR 9, 2011 26 20:56 0 0 2 42.71 -094.81 42.72 -094.81 151 286083 APR 9, 2011 27 21:08 0 0 1 42.73 -094.74 42.77 -094.73 151

Polk County Tornadoes

46 MAR 30, 1958 2 15:00 0 0 ? 41.67 -093.68 00.00 0 153 213 MAY 10, 1959 13 17:00 0 0 1 41.53 -093.53 00.00 0 153 216 MAY 10, 1959 14 17:53 0 0 2 41.60 -093.60 00.00 0 153 272 JUN 11, 1966 13 17:45 0 0 2 41.57 -093.55 41.67 -093.35 153 544 OCT 14, 1966 35 16:00 0 0 2 41.60 -093.80 41.73 -093.60 153 654 JLY 30, 1967 53 19:50 0 0 ? 41.63 -093.57 00.00 0 153 344 APR 28, 1974 1 14:00 0 0 0 41.65 -093.47 00.00 0 153 627 JUN 18, 1974 21 21:35 2 50 4 41.73 -093.62 41.52 -093.53 153 732 JLY 28, 1976 16 1:23 0 0 2 41.52 -093.35 00.00 0 153 686 AUG 15, 1977 30 18:45 0 0 ? 41.73 -093.60 00.00 0 153 583 JLY 30, 1979 33 3:15 0 0 0 41.78 -093.72 00.00 0 153 487 JUN 6, 1980 15 12:00 0 0 1 41.60 -093.65 41.62 -093.60 153 664 JUN 15, 1982 23 1:30 0 0 1 41.60 -093.62 00.00 0 153 943 NOV 11, 1982 33 15:20 0 0 0 41.73 -093.62 00.00 0 153 255 MAY 6, 1983 11 18:58 0 0 1 41.67 -093.62 00.00 0 153 256 MAY 6, 1983 12 19:00 0 0 2 41.58 -093.53 00.00 0 153 625 JLY 2, 1983 26 2:22 0 0 0 41.77 -093.72 00.00 0 153 552 JUN 11, 1984 29 18:50 0 0 0 41.58 -093.72 00.00 0 153 554 JUN 11, 1984 30 19:28 0 0 0 41.62 -093.62 00.00 0 153 557 JUN 11, 1984 31 19:55 0 0 0 41.60 -093.62 00.00 0 153 812 SEP 9, 1984 59 16:14 0 0 1 41.77 -093.72 00.00 0 153 216 MAY 11, 1985 3 14:58 0 0 0 41.52 -093.43 00.00 0 153 208 MAY 8, 1986 6 15:38 0 0 0 41.63 -093.43 00.00 0 153 227 MAY 9, 1986 16 19:49 0 0 0 41.68 -093.80 41.68 -093.80 153,49 491 JUN 29, 1986 25 22:35 0 0 2 41.58 -093.73 41.60 -093.62 153 697 SEP 28, 1986 39 16:34 0 0 4 41.75 -093.60 41.77 -093.00 153,99 85 MAY 2, 1987 4 14:15 0 0 0 41.85 -093.62 00.00 0 153 128 MAR 13, 1990 16 19:55 0 15 2 41.73 -093.62 41.88 -093.40 153,169 722 JUN 16, 1990 35 5:15 0 0 0 41.63 -093.72 00.00 0 153 491 MAY 12, 1997 7 16:27 0 0 0 41.70 -093.47 41.67 -093.53 153 969 MAY 19, 1998 23 15:45 0 0 0 41.52 -093.52 41.52 -093.52 153 815 APR 8, 1999 14 16:00 0 0 0 41.60 -093.62 41.60 -093.62 153 772 MAY 18, 2000 13 11:17 0 0 0 41.52 -093.37 41.52 -093.37 153 777 MAY 30, 2000 21 20:35 0 0 1 41.67 -093.53 41.65 -093.47 153 778 MAY 30, 2000 22 21:00 0 0 0 41.68 -093.50 41.68 -093.50 153 625 APR 11, 2001 15 12:37 0 0 0 41.68 -093.63 41.68 -093.63 153 235 JLY 24, 2001 39 15:36 0 0 0 41.52 -093.72 41.52 -093.72 153 1096 SEP 6, 2001 26 14:34 0 1 1 41.55 -093.75 41.58 -093.72 153 503 APR 18, 2002 7 17:49 0 0 0 41.67 -093.47 41.67 -093.47 153 504 APR 18, 2002 8 17:50 0 0 1 41.73 -093.50 41.67 -093.53 153 920 MAY 22, 2004 43 20:06 0 0 0 41.82 -093.65 41.82 -093.62 153 1582 SEP 5, 2004 118 19:51 0 0 0 41.78 -093.38 41.78 -093.38 153 231 APR 2, 2006 14 16:31 0 0 0 41.55 -093.37 41.55 -093.37 153 988 OCT 2, 2007 38 15:40 0 0 1 41.58 -093.63 41.58 -093.62 153 1384 JLY 27, 2008 15:34 0 0 1 41.79 -093.54 41.79 -093.54 153

Pottawattamie County Tornadoes

194 MAY 12, 1970 6 19:30 0 0 2 41.47 -095.23 41.43 -095.12 155,29 314 MAY 6, 1975 5 16:00 0 0 2 41.40 -095.85 41.53 -095.67 155,85 315 MAY 6, 1975 6 16:20 0 0 2 41.47 -095.87 41.62 -095.80 155,85 640 JUN 26, 1976 15 17:15 0 6 4 41.45 -095.60 41.48 -095.50 155 372 MAY 15, 1982 6 16:00 0 0 0 41.48 -095.58 00.00 0 155 675 JUN 26, 1984 54 18:18 0 0 0 41.27 -095.38 00.00 0 155 160 MAY 26, 1987 9 15:10 0 0 1 41.25 -095.60 41.75 -095.33 155,165 163 MAY 26, 1987 11 15:25 0 0 1 41.45 -095.62 00.00 0 155 167 MAY 26, 1987 13 16:30 0 0 1 41.32 -095.33 00.00 0 155 207 MAY 31, 1987 15 14:38 0 0 1 41.48 -095.20 41.47 -095.02 155,29 124 MAY 7, 1988 8 22:10 0 0 2 41.33 -095.95 41.45 -095.82 155 355 JLY 15, 1988 33 15:14 0 042 2 41.27 -095.87 00.00 0 155 356 JLY 15, 1988 34 15:16 0 34 3 41.27 -095.87 00.00 0 155 357 JLY 15, 1988 35 15:19 0 12 1 41.23 -095.92 41.27 -095.87 155 146 APR 27, 1989 9 18:35 0 2 0 41.23 -095.92 41.25 -095.83 155 92 MAR 13, 1990 11 17:10 0 0 1 41.38 -095.83 41.47 -095.68 155 749 JUN 16, 1990 44 22:30 0 0 0 41.32 -095.27 00.00 0 155 380 APR 29, 1991 22 12:20 0 0 1 41.27 -095.87 41.52 -095.73 155,85 381 APR 29, 1991 23 13:21 0 0 0 41.37 -095.47 00.00 0 155 507 JUN 16, 1992 11 23:00 0 0 2 41.35 -095.35 41.40 -095.28 155 1008 AUG 22, 1993 51 23:15 0 0 0 41.20 -095.42 00.00 0 155 600 JLY 24, 1996 19 14:21 0 0 1 41.50 -095.45 41.48 -095.43 155 255 APR 8, 1999 6 13:18 0 0 0 41.45 -095.87 41.45 -095.87 155 395 MAY 16, 1999 27 16:07 0 0 0 41.23 -095.63 41.25 -095.63 155 396 MAY 16, 1999 28 16:14 0 0 2 41.20 -095.58 41.28 -095.55 155 386 JLY 26, 2000 42 17:00 0 0 0 41.43 -095.20 41.43 -095.20 155 72 APR 11, 2001 10 11:55 0 0 1 41.27 -095.47 41.27 -095.47 155 75 APR 11, 2001 11 11:55 0 0 0 41.20 -095.70 41.23 -095.72 155 76 APR 11, 2001 12 12:00 0 0 0 41.37 -095.77 41.37 -095.77 155 493 JUN 24, 2003 13 16:53 0 0 0 41.27 -095.67 41.27 -095.67 155 545 MAY 5, 2007 7 20:00 0 0 1 41.31 -095.39 41.36 -095.35 155 1183 JUN 11, 2008 18:20 0 0 1 41.48 -095.93 41.50 -095.89 155 1187 JUN 11, 2008 18:23 0 0 0 41.51 -095.90 41.52 -095.89 155 1267 JUN 20, 2008 15:40 0 0 0 41.19 -095.32 41.19 -095.31 155 365679 APR 14, 2012 23:55 0 0 1 41.27 -095.74 41.28 -095.73 155

Poweshiek County Tornadoes

416 AUG 12, 1956 6 16:00 0 8 3 41.53 -092.75 41.58 -092.67 157 193 MAY 9, 1959 6 18:15 0 0 1 41.70 -092.60 41.75 -092.52 157 198 APR 23, 1965 3 22:00 0 1 ? 41.53 -092.42 41.50 -091.52 157,107,183 202 APR 24, 1965 4 1:00 0 0 1 41.72 -092.47 00.00 0 157 76 APR 19, 1966 3 18:00 0 4 3 41.85 -092.72 42.08 -092.23 157,171,11 235 APR 30, 1967 30 19:00 0 0 1 41.60 -092.55 00.00 0 157 39 MAR 30, 1968 2 19:30 0 0 0 41.73 -092.72 00.00 0 157 357 JUN 29, 1969 17 18:25 0 0 2 41.80 -092.60 00.00 0 157 358 JUN 29, 1969 18 18:45 0 0 1 41.73 -092.43 41.63 -092.53 157 365 JUN 20, 1970 12 15:18 0 0 1 41.80 -092.33 00.00 0 157 397 JLY 3, 1970 13 1:00 0 0 1 41.60 -092.53 00.00 0 157 452 JUN 6, 1971 25 23:16 0 0 1 41.60 -092.52 41.70 -092.37 157 492 JUN 26, 1978 8 0:41 0 1 2 41.58 -092.53 00.00 0 157 221 MAY 11, 1985 5 16:15 0 0 0 41.52 -092.45 00.00 0 157 129 MAY 8, 1988 13 12:58 0 0 2 41.53 -092.40 41.87 -091.40 157,95,103 694 JLY 2, 1993 30 17:50 0 0 1 41.67 -092.38 41.70 -092.30 157,95 773 MAY 18, 2000 14 12:45 0 0 0 41.53 -092.42 41.58 -092.38 157 162 JUN 12, 2001 3 10:25 0 0 0 41.58 -092.63 41.58 -092.63 157 984 SEP 30, 2007 37 17:48 0 0 1 41.74 -092.58 41.80 -092.52 157 439 APR 10, 2008 17:21 0 0 1 41.55 -092.43 41.65 -092.38 157 444 APR 10, 2008 17:36 0 0 0 41.72 -092.35 41.76 -092.33 157

Ringgold County Tornadoes

124 APR 23, 1955 6 16:00 0 0 3 40.72 -094.35 40.80 -094.32 159 190 MAY 23, 1966 7 6:30 0 0 1 40.83 -094.33 00.00 0 159 540 OCT 14, 1966 33 15:15 0 0 ? 40.80 -094.33 00.00 0 159 229 MAY 5, 1971 1 17:15 0 0 2 40.82 -094.35 00.00 0 159 506 JLY 14, 1972 13 18:27 0 0 1 40.60 -094.22 00.00 0 159 182 APR 19, 1973 3 18:15 0 0 1 40.77 -094.10 40.80 -094.05 159 285 MAY 23, 1981 19 17:00 0 0 2 40.70 -094.32 40.82 -094.05 159 507 JUN 7, 1984 25 19:45 1 3 2 40.68 -094.23 40.73 -094.03 159 936 JLY 25, 1990 061 18:50 0 0 2 40.82 -094.13 40.85 -094.07 159 865 JLY 24, 1992 29 17:20 0 0 0 40.68 -094.23 00.00 0 159 582 MAY 27, 1995 20 21:19 0 0 1 40.60 -094.17 40.65 -094.12 159 170 MAY 27, 1996 11 13:55 0 0 0 40.60 -094.17 40.60 -094.17 159 695 APR 11, 2001 4 10:40 0 0 3 40.57 -094.23 41.38 -093.90 159,175,39,121 from MO 75,227 926 MAY 24, 2004 50 18:20 0 0 0 40.67 -094.23 40.67 -094.23 159 123 JUN 4, 2005 18 18:15 0 0 1 40.62 -094.10 40.57 -094.05 159 343 APR 26, 2009 17:08 0 0 0 40.85 -094.08 40.85 -094.05 159 510 JUN 1, 2010 2 16:08 0 0 2 40.80 -094.23 40.82 -094.22 159

Sac County Tornadoes

326 MAY 15, 1965 12 13:30 0 0 2 42.40 -095.00 00.00 0 161 567 JLY 5, 1978 14 19:40 0 0 ? 42.32 -095.23 00.00 0 161 192 APR 26, 1984 2 16:40 0 0 2 42.32 -094.92 42.65 -094.80 161,25,151 530 AUG 13, 1985 21 13:28 0 0 1 42.45 -095.15 00.00 0 161 151 APR 27, 1989 13 19:35 0 0 1 42.28 -095.10 42.45 -094.85 161,25 79 MAR 13, 1990 5 16:31 0 0 0 41.52 -090.47 00.00 0 161 966 MAY 15, 1998 19 15:21 0 0 0 42.25 -094.88 42.25 -094.88 161 311 MAY 27, 1999 33 18:39 0 0 0 42.28 -094.88 42.28 -094.88 161 983 SEP 30, 2007 36 17:26 0 0 0 42.46 -094.89 42.48 -094.80 161,25 759 JUN 22, 2010 15 20:15 0 0 0 42.45 -094.93 42.45 -094.92 161 283214 APR 9, 2011 12 19:23 0 0 3 42.35 -095.29 42.50 -095.26 161 283213 APR 9, 2011 13 19:29 0 0 2 42.37 -095.24 42.47 -095.15 161 286082 APR 9, 2011 14 19:38 0 0 0 42.39 -095.20 42.40 -095.20 161 283446 APR 9, 2011 16 20:08 0 0 3 42.52 -095.13 42.82 -094.77 161,21,151 283456 APR 9, 2011 19 20:24 0 0 2 42.56 -094.97 42.57 -094.95 161,21

Scott County Tornadoes

141 APR 26, 1954 7 19:30 0 0 1 41.75 -090.88 00.00 0 163 444 JUN 28, 1960 12 18:30 0 0 0 41.62 -090.60 00.00 0 163 120 MAY 7, 1962 3 19:05 0 0 3 41.67 -090.72 00.00 0 163 78 APR 19, 1966 5 21:30 0 0 3 41.50 -090.50 00.00 0 163 202 MAY 23, 1966 10 16:30 0 0 2 41.68 -090.73 00.00 0 163 18 JAN 24, 1967 10 16:50 0 0 2 41.78 -090.77 00.00 0 163 19 JAN 24, 1967 11 17:11 0 0 2 41.62 -090.58 00.00 0 163 412 MAY 13, 1974 7 21:40 0 0 1 41.55 -090.70 00.00 0 163 413 MAY 13, 1974 6 22:00 0 0 3 41.62 -090.60 41.67 -090.55 163 431 MAY 16, 1974 10 19:48 0 0 0 41.50 -090.60 00.00 0 163 432 MAY 16, 1974 11 20:15 0 0 0 41.70 -090.68 00.00 0 163 611 AUG 5, 1979 39 19:55 0 0 1 41.53 -090.52 00.00 0 163 606 JUN 28, 1980 23 0:05 0 0 1 41.53 -090.60 00.00 0 163 792 SEP 3, 1980 36 20:40 0 0 0 41.47 -090.72 00.00 0 163 79 APR 4, 1981 6 0:30 0 0 1 41.78 -090.78 42.00 -090.47 163,45 623 JLY 1, 1983 25 23:00 0 0 0 41.53 -090.58 00.00 0 163 200 MAY 30, 1987 14 18:00 0 0 0 41.58 -090.78 00.00 0 163 142 MAY 8, 1988 25 14:35 0 0 0 41.52 -090.77 00.00 0 163 145 MAY 8, 1988 28 14:40 0 0 0 41.58 -090.78 00.00 0 163 146 MAY 8, 1988 29 14:43 0 0 3 41.75 -090.78 41.87 -090.20 163,45 81 MAR 13, 1990 6 16:42 0 0 0 41.60 -090.28 00.00 0 163 83 MAR 13, 1990 7 16:45 0 0 3 41.60 -090.28 41.62 -090.33 163 to IL 161,195 87 MAR 13, 1990 9 16:55 0 0 1 41.60 -090.33 41.65 -090.37 163,45 980 AUG 19, 1990 68 19:35 0 0 1 41.53 -090.52 00.00 0 163 640 JUN 29, 1993 27 22:11 0 2 1 41.63 -090.87 00.00 0 163 641 JUN 29, 1993 28 22:23 0 0 0 41.73 -090.88 00.00 0 163 600 JUN 26, 1994 26 13:45 0 0 0 41.68 -090.35 00.00 0 163 292 MAY 9, 1995 7 15:50 0 0 0 41.58 -090.83 00.00 0 163 9999 MAY 9, 1995 16:17 0 0 1 41.61 -090.42 41.61 090.38 163 9999 MAY 9, 1995 16:17 0 0 1 41.61 -090.42 41.61 090.38 163 300 MAY 9, 1995 9 16:40 0 0 0 41.60 -090.28 00.00 0 163 301 MAY 9, 1995 10 16:40 0 0 0 41.65 -090.35 00.00 0 163 302 MAY 9, 1995 11 16:40 0 0 0 41.70 -090.68 00.00 0 163 303 MAY 9, 1995 12 16:45 0 0 1 41.68 -090.60 00.00 0 163 357 MAY 18, 1997 11 19:00 0 0 0 41.53 -090.52 41.53 -090.52 163 858 MAY 10, 2001 098 20:18 0 0 0 41.60 -090.28 41.60 -090.27 163 274 JUN 14, 2001 085 17:11 0 0 1 41.53 -090.52 41.53 -090.52 163 812 AUG 21, 2002 31 18:00 0 0 0 41.55 -090.77 41.55 -090.77 163 363 APR 13, 2006 26 20:42 0 0 1 41.60 -090.37 41.60 -090.33 163

Shelby County Tornadoes

155 MAY 6, 1955 7 16:15 0 0 2 41.65 -095.32 41.80 -095.08 165 487 MAY 30, 1957 10 14:35 0 0 ? 41.73 -095.47 00.00 0 165 171 MAY 18, 1962 5 14:30 0 0 1 41.60 -095.47 41.63 -095.53 165 644 SEP 10, 1972 18 19:55 0 0 1 41.57 -095.18 41.63 -095.10 165,9 935 SEP 25, 1973 26 23:59 0 0 2 41.55 -095.33 00.00 0 165 329 MAY 7, 1975 8 18:00 0 0 2 41.65 -095.22 41.80 -095.20 165 148 APR 27, 1989 11 19:10 0 0 0 41.68 -095.48 00.00 0 165 149 APR 27, 1989 12 19:15 0 0 0 41.62 -095.38 00.00 0 165 744 SEP 7, 1989 27 20:30 0 0 0 41.78 -095.50 00.00 0 165 745 SEP 7, 1989 28 20:43 0 0 1 41.68 -095.45 41.67 -095.35 165 330 APR 26, 1991 15 18:44 0 0 1 41.73 -095.42 00.00 0 165 509 JUN 16, 1992 13 23:45 0 0 0 41.65 -095.33 00.00 0 165 763 JLY 8, 1993 38 22:35 0 0 1 41.65 -095.55 00.00 0 165 1002 OCT 6, 1994 49 18:14 0 0 1 41.85 -095.25 41.88 -095.25 165,47 73 APR 11, 2001 14 12:30 0 0 0 41.62 -095.48 41.62 -095.48 165 931 MAY 8, 2004 7 19:55 0 0 1 41.53 -095.27 41.43 -095.17 165,155 99 MAY 22, 2004 42 19:45 0 0 0 41.58 -095.33 41.60 -095.33 165 1195 JUN 11, 2008 18:59 0 0 0 41.86 -095.38 41.87 -095.38 165 1196 JUN 11, 2008 19:05 0 0 0 41.77 -095.34 41.77 -095.34 165 288617 MAR 22, 2011 5 16:47 0 0 0 41.80 -095.39 41.81 -095.38 165

Sioux County Tornadoes

48 MAR 16, 1963 2 13:00 0 0 1 43.25 -095.95 43.30 -095.87 167 221 JUN 2, 1966 11 20:25 0 0 2 43.10 -096.40 43.03 -096.18 167 568 SEP 22, 1968 23 16:00 0 0 3 43.02 -096.07 43.07 -095.98 167 569 SEP 22, 1968 24 16:30 0 0 ? 43.02 -096.07 00.00 0 167 570 SEP 22, 1968 25 16:35 0 0 ? 43.12 -095.88 00.00 0 167 494 JUN 3, 1975 17 23:00 0 0 1 42.93 -096.40 00.00 0 167 564 JLY 5, 1978 11 17:30 0 0 ? 43.18 -096.47 00.00 0 167 565 JLY 5, 1978 12 18:00 0 0 2 43.03 -096.25 42.93 -096.05 167 615 AUG 8, 1979 40 9:30 0 0 2 43.07 -095.88 00.00 0 167 429 JUN 13, 1981 25 20:30 0 0 2 43.17 -095.88 00.00 0 167 386 JLY 7, 1987 21 0:23 0 0 2 43.02 -096.48 43.00 -096.45 167 from SD 127 764 JUN 19, 1990 46 3:30 0 0 0 43.10 -095.95 00.00 0 167 495 JUN 16, 1992 8 20:55 0 0 0 43.15 -096.17 00.00 0 167 741 JLY 9, 1992 21 17:35 0 0 1 43.08 -096.23 00.00 0 167 424 JUN 7, 1993 4 17:38 0 0 1 43.07 -095.88 43.17 -095.88 167 427 JUN 7, 1993 7 17:42 0 0 0 43.08 -096.12 00.00 0 167 262 MAY 15, 1998 10 10:30 0 0 0 43.13 -096.40 43.13 -096.40 167 263 MAY 15, 1998 15 15:13 0 0 0 42.97 -096.38 42.97 -096.38 167 264 MAY 15, 1998 18 15:20 0 0 0 43.08 -096.28 43.08 -096.28 167 227 JUN 12, 2001 090 17:45 0 0 0 43.08 -096.30 43.08 -096.30 167 402 AUG 17, 2001 65 16:29 0 0 1 43.08 -096.28 42.97 -096.17 167 408 AUG 17, 2001 71 16:35 0 0 1 43.05 -096.18 43.05 -096.18 167 65 APR 18, 2004 3 16:15 0 0 0 43.20 -096.48 43.20 -096.48 167 220 JUN 4, 2005 20 21:02 0 0 0 42.92 -096.43 42.92 -096.43 167 221 JUN 4, 2005 21 21:22 0 0 0 42.97 -096.40 42.97 -096.40 167 553 NOV 12, 2005 37 16:30 0 0 1 43.07 -095.90 43.07 -095.87 167 981 SEP 30, 2007 34 15:27 0 0 0 43.15 -096.37 43.15 -096.37 167 552 MAY 1, 2008 17:55 0 0 0 43.04 -096.24 00.00 0 167 553 MAY 1, 2008 17:59 0 0 2 43.14 -096.30 43.30 -096.42 167,119 796 JUN 25, 2010 23 21:53 0 0 0 43.14 -095.90 43.14 -095.90 167 312192 MAY 11, 2011 33 17:53 0 0 0 43.03 -096.48 43.03 -096.47 167 382740 MAY 4, 2012 14:15 0 0 0 43.04 -096.20 43.04 -096.19 167 382742 MAY 4, 2012 14:22 0 0 0 43.05 -096.06 43.05 -096.05 167

Story County Tornadoes

142 JUN 15, 1950 3 20:00 0 5 3 41.98 -093.60 41.97 -093.48 169 184 MAY 20, 1953 11 21:00 1 0 3 42.15 -093.70 43.43 -092.32 169,83,23,37,89 496 MAY 30, 1957 12 16:50 0 0 ? 42.20 -093.45 00.00 0 169 335 MAY 31, 1959 22 1:15 0 0 2 42.05 -093.43 42.22 -093.18 169 404 JUN 28, 1959 24 3:15 0 0 0 42.05 -093.43 00.00 0 169 117 MAY 7, 1962 1 17:15 0 0 2 41.90 -093.30 00.00 0 169 641 JLY 4, 1965 28 15:00 0 0 ? 42.05 -093.37 00.00 0 169 765 AUG 26, 1965 37 18:50 0 2 2 41.90 -093.30 41.82 -093.20 169,99 806 SEP 16, 1965 43 23:00 0 0 2 42.12 -093.60 00.00 0 169 276 JUN 11, 1966 17 21:00 0 0 1 42.20 -093.40 00.00 0 169 392 JUN 7, 1967 37 20:42 0 0 2 42.05 -093.62 00.00 0 169 395 JUN 8, 1967 38 19:50 0 0 1 41.87 -093.68 41.88 -093.62 169 396 JUN 8, 1967 39 20:00 0 0 2 42.00 -093.60 42.03 -093.32 169 355 JUN 29, 1969 16 17:00 0 0 1 42.07 -093.60 00.00 0 169 182 MAY 10, 1970 4 23:37 0 0 ? 42.02 -093.60 00.00 0 169 195 MAY 12, 1970 7 21:00 0 0 1 42.02 -093.45 00.00 0 169 196 MAY 12, 1970 8 21:15 0 0 1 42.15 -093.33 00.00 0 169 315 MAY 7, 1973 11 17:30 0 0 0 42.02 -093.45 00.00 0 169 761 JLY 1, 1973 21 23:15 0 0 1 41.98 -093.62 00.00 0 169 626 JUN 18, 1974 20 20:15 0 0 2 41.95 -093.68 00.00 0 169 587 JUN 13, 1976 11 14:45 0 0 2 42.12 -093.65 42.13 -093.60 169 708 AUG 28, 1979 50 19:00 0 0 0 42.15 -093.57 42.18 -093.60 169 577 JUN 12, 1984 32 19:55 0 0 0 41.88 -093.40 00.00 0 169 658 JUN 22, 1984 49 18:12 0 0 0 42.03 -093.62 00.00 0 169 131 MAR 13, 1990 17 20:36 0 1 3 42.02 -093.38 42.13 -093.30 169 105 MAR 22, 1991 3 16:20 0 0 3 41.90 -093.63 42.40 -093.15 169,83 107 MAR 22, 1991 4 16:42 0 0 0 41.95 -093.68 00.00 0 169 184 APR 26, 1994 4 5:03 0 0 1 42.03 -093.62 00.00 0 169 572 JUN 19, 1994 24 15:45 0 0 1 42.17 -093.50 42.23 -093.40 169,83 673 JUN 5, 1995 23 15:20 0 0 0 42.12 -093.67 42.18 -093.72 169,15 977 MAY 30, 1998 40 12:56 0 0 1 41.97 -093.52 41.93 -093.10 169,127 812 APR 8, 1999 4 12:33 0 2 1 41.88 -093.68 41.90 -093.65 169 935 MAY 16, 1999 32 19:52 0 0 0 42.03 -093.62 42.03 -093.62 169 989 JUN 6, 1999 44 18:14 0 0 1 42.15 -093.65 42.15 -093.65 169 671 MAY 10, 2001 62 16:27 0 0 0 41.93 -093.72 41.93 -093.72 169 908 MAY 22, 2004 29 18:45 0 0 0 41.88 -093.42 41.87 -093.40 169 1454 AUG 3, 2004 096 16:00 0 0 1 42.18 -093.28 42.17 -093.27 169 1458 AUG 26, 2004 105 19:13 0 0 0 41.88 -093.43 41.88 -093.43 169 1459 AUG 26, 2004 106 19:25 0 0 0 41.90 -093.43 41.90 -093.43 169 1579 SEP 5, 2004 119 20:06 0 0 1 41.88 -093.28 41.93 -093.27 169 376 SEP 8, 2005 33 11:30 0 8 1 42.03 -093.62 42.03 -093.62 169 1211 NOV 12, 2005 40 16:56 0 0 0 42.03 -093.62 42.03 -093.62 169 1205 NOV 12, 2005 42 17:15 0 0 0 42.17 -093.62 42.18 -093.60 169 1206 NOV 12, 2005 43 17:20 0 0 1 42.17 -093.52 42.27 -093.43 169,79,83 765 JUN 21, 2007 22 15:58 0 0 0 41.96 -093.69 41.96 -093.69 169 591 JUN 8, 2010 6 17:02 0 0 0 42.16 -093.61 42.16 -093.60 169 592 JUN 8, 2010 7 17:34 0 0 0 42.13 -093.30 42.13 -093.30 169

Tama County Tornadoes

62 MAR 21, 1953 4 17:00 0 0 2 41.88 -092.62 42.05 -092.55 171 155 MAY 10, 1953 8 16:30 0 0 2 41.88 -092.45 00.00 0 171 148 APR 26, 1956 1 22:30 0 0 2 42.00 -092.33 42.00 -092.27 171,11 385 JLY 14, 1958 12 19:50 0 0 2 42.20 -092.50 00.00 0 171 198 MAY 9, 1959 9 19:10 0 0 2 42.10 -092.40 00.00 0 171 469 JUN 22, 1964 37 19:15 0 0 1 42.20 -092.70 00.00 0 171 619 JUN 27, 1965 24 20:15 0 0 2 42.05 -092.58 00.00 0 171 379 MAY 31, 1971 22 19:30 0 0 3 42.10 -092.30 42.20 -092.17 171 915 SEP 21, 1973 25 19:30 0 0 1 41.92 -092.58 00.00 0 171 862 NOV 9, 1975 28 16:30 0 0 3 42.20 -092.47 42.68 -092.05 171,13,17 865 NOV 9, 1975 31 17:45 0 0 1 41.97 -092.72 00.00 0 171 219 MAY 4, 1977 14 21:00 0 0 ? 42.10 -092.68 42.22 -092.37 171 220 MAY 4, 1977 15 22:15 0 0 ? 42.18 -092.72 00.00 0 171 315 JUN 5, 1979 9 18:05 0 0 1 42.22 -092.70 00.00 0 171 316 JUN 5, 1979 10 18:05 0 0 1 42.20 -092.70 00.00 0 171 317 JUN 5, 1979 11 18:10 0 0 1 42.18 -092.72 00.00 0 171 318 JUN 5, 1979 12 18:15 0 0 1 42.18 -092.73 00.00 0 171 319 JUN 5, 1979 13 18:20 0 0 1 42.18 -092.75 00.00 0 171 605 JUN 29, 1983 21 13:45 0 0 1 42.02 -092.33 00.00 0 171 607 JUN 29, 1983 22 13:55 0 0 1 42.13 -092.37 00.00 0 171 736 SEP 1, 1989 25 1:30 0 0 0 42.17 -092.32 00.00 0 171 835 JUN 10, 1991 39 16:40 0 0 0 42.27 -092.47 00.00 0 171 1075 SEP 12, 1991 49 15:20 0 0 0 42.02 -092.40 00.00 0 171 1110 JUN 27, 1998 60 23:20 0 0 0 41.92 -092.40 41.92 -092.40 171 463 AUG 8, 1998 72 14:55 0 0 0 41.97 -092.58 41.97 -092.58 171 907 JUN 13, 2000 33 18:37 0 0 0 42.10 -092.67 42.10 -092.67 171 622 APR 8, 2001 111 21:50 0 0 0 42.02 -092.28 42.02 -092.28 171 673 MAY 10, 2001 74 16:40 0 0 0 42.27 -092.48 42.27 -092.48 171 674 MAY 10, 2001 75 16:43 0 0 0 42.23 -092.52 42.23 -092.52 171 120 JUN 26, 2002 25 15:14 0 0 0 41.97 -092.67 41.97 -092.67 171 826 MAY 10, 2003 5 17:27 0 0 0 42.08 -092.40 42.08 -092.40 171 921 MAY 22, 2004 44 20:15 0 0 0 42.08 -092.68 42.08 -092.68 171 312 AUG 19, 2005 32 18:53 0 0 0 42.07 -092.68 42.07 -092.68 171 351 APR 13, 2006 15 18:10 0 0 0 42.05 -092.52 42.05 -092.52 171 741 JLY 17, 2006 32 15:50 0 0 0 41.97 -092.62 41.97 -092.62 171 301983 JUN 21, 2011 48 0:15 0 0 0 42.09 -092.40 42.09 -092.39 171

Taylor County Tornadoes

88 APR 5, 1954 4 17:45 0 0 2 40.67 -094.88 40.72 -094.67 173 89 APR 5, 1954 5 18:15 0 0 1 40.68 -094.73 00.00 0 173 314 JUN 29, 1958 10 9:00 0 0 0 42.57 -095.60 00.00 0 173 531 OCT 14, 1966 28 12:15 0 0 2 40.78 -094.58 00.00 0 173 537 OCT 14, 1966 31 14:50 0 0 2 40.83 -094.63 00.00 0 173 230 MAY 5, 1971 2 17:20 0 12 3 40.75 -094.63 00.00 0 173 235 MAY 5, 1971 3 18:00 0 1 2 40.78 -094.90 00.00 0 173 326 MAY 23, 1971 14 17:50 0 0 1 40.87 -094.60 00.00 0 173 374 JUN 13, 1972 7 15:30 0 0 1 40.75 -094.83 00.00 0 173 229 APR 23, 1975 3 14:55 0 0 0 40.75 -094.82 00.00 0 173 65 MAR 29, 1979 3 18:10 0 1 3 40.58 -094.95 40.90 -094.57 173 86 APR 11, 1981 11 19:40 0 2 2 40.68 -094.75 40.72 -094.88 173 66 MAR 19, 1982 1 5:30 0 0 1 40.62 -094.47 00.00 0 173 204 MAY 1, 1983 6 15:00 0 0 1 41.63 -094.87 00.00 0 173 115 MAY 19, 1987 6 18:20 0 0 0 40.70 -094.72 40.70 -094.60 173 235 MAY 6, 1993 1 20:05 0 0 2 40.58 -094.83 40.70 -094.80 173 453 JUN 5, 1994 9 5:45 0 0 1 40.85 -094.73 00.00 0 173 169 MAY 27, 1996 10 13:50 0 0 1 40.62 -094.47 40.62 -094.47 173 809 APR 5, 1999 1 15:02 0 0 1 40.62 -094.78 40.63 -094.73 173 810 APR 5, 1999 2 15:28 0 0 0 40.83 -094.55 40.83 -094.55 173 813 APR 8, 1999 12 13:54 0 3 4 40.85 -094.90 41.48 -094.47 173,3,29,1 934 MAY 16, 1999 31 19:13 0 0 1 40.57 -094.58 40.55 -094.57 173 557 SEP 7, 1999 60 18:30 0 0 0 40.80 -094.77 40.80 -094.77 173 184 JLY 26, 2002 28 20:29 0 0 1 40.68 -094.83 40.67 -094.68 173 821 JUN 13, 2005 22 17:50 0 0 0 40.70 -094.60 40.70 -094.60 173 1158 JUN 8, 2008 14:35 0 0 0 40.74 -094.77 40.75 -094.75 173 292748 MAY 11, 2011 29 15:20 0 0 0 40.82 -094.62 40.82 -094.62 173 290636 MAY 11, 2011 30 15:38 0 0 1 40.88 -094.57 40.89 -094.56 173 290637 MAY 11, 2011 31 15:45 0 0 1 40.88 -094.57 40.89 -094.58 173

Union County Tornadoes

123 MAY 7, 1962 4 21:30 0 0 1 41.07 -094.37 00.00 0 175 95 APR 12, 1964 4 17:30 0 0 2 40.92 -094.47 41.02 -094.33 175 185 APR 26, 1964 8 19:10 0 0 2 40.90 -094.27 40.98 -094.00 175,159 375 JUN 13, 1972 8 16:40 0 0 2 41.12 -094.05 00.00 0 175 647 SEP 12, 1972 20 18:00 0 0 0 41.05 -094.47 00.00 0 175 183 APR 19, 1973 4 18:20 0 0 1 41.05 -094.35 00.00 0 175 330 MAY 7, 1975 9 18:15 0 0 0 41.07 -094.37 00.00 0 175 67 MAR 29, 1979 4 19:05 0 4 3 40.77 -094.38 41.37 -093.63 175,121,181 635 JLY 3, 1983 27 17:02 0 0 0 41.07 -094.45 00.00 0 175 415 JUN 16, 1985 10 20:00 0 0 0 41.02 -094.47 00.00 0 175 440 JUN 26, 1985 15 14:00 0 0 0 41.08 -094.37 00.00 0 175 441 JUN 26, 1985 16 14:25 0 0 0 41.15 -094.42 00.00 0 175 308 JUN 24, 1987 19 20:44 0 0 0 41.07 -094.35 00.00 0 175 820 JLY 15, 1992 26 17:57 0 0 1 41.12 -094.37 00.00 0 175 570 MAY 27, 1995 14 18:55 0 2 4 41.07 -094.42 41.77 -094.15 175,1,77,49 30 MAR 24, 1996 1 16:15 0 0 0 40.80 -094.23 40.82 -094.23 175 814 APR 8, 1999 13 14:48 0 1 4 41.03 -094.32 41.77 -093.87 175,121,49 641 SEP 11, 2003 28 13:52 0 0 0 41.03 -094.37 41.08 -094.37 175 189 MAR 30, 2006 2 17:57 0 0 0 41.07 -094.42 41.07 -094.42 175 191 MAR 30, 2006 3 18:00 0 0 0 41.02 -094.45 41.02 -094.45 175 563 MAY 6, 2007 11 3:45 0 0 0 41.06 -094.09 41.11 -094.04 175 1054 JUN 4, 2008 18:04 0 0 0 41.03 -094.36 41.03 -094.34 175 1068 JUN 4, 2008 20:18 0 0 0 40.97 -094.47 40.97 -094.45 175 1069 JUN 4, 2008 20:37 0 0 1 41.00 -094.36 41.03 -094.29 175 1070 JUN 4, 2008 20:58 0 0 1 41.04 -094.18 41.10 -093.99 175,39 1103 JUN 5, 2008 20:24 0 0 1 41.08 -094.39 41.11 -094.35 175 279356 MAR 22, 2011 6 17:16 0 0 0 41.06 -094.47 41.07 -094.44 175

Van Buren County Tornadoes

197 MAY 9, 1959 8 19:00 0 1 3 40.87 -091.78 41.15 -091.67 177,101,87 94 APR 16, 1960 4 18:30 0 0 1 40.83 -091.83 40.95 -091.57 177,87 190 APR 26, 1964 9 23:00 0 0 2 40.60 -091.75 00.00 0 177 569 AUG 20, 1964 43 22:07 0 0 2 40.68 -091.80 00.00 0 177 247 MAY 7, 1965 9 14:30 0 0 ? 41.00 -091.95 00.00 0 177 9 JAN 24, 1967 2 15:15 0 0 3 40.87 -092.08 00.00 0 177 135 APR 16, 1967 16 16:00 2 16 3 40.70 -092.10 40.90 -091.83 177 168 APR 21, 1967 18 15:00 0 0 2 40.88 -091.93 41.07 -091.35 177,81 864 NOV 9, 1975 30 17:30 0 3 2 40.88 -092.12 41.00 -091.98 177,101 547 JUN 14, 1980 20 21:23 0 0 1 40.68 -092.08 40.67 -091.88 177 142 APR 27, 1989 6 17:20 0 0 0 40.75 -091.98 00.00 0 177 527 JUN 2, 1990 21 10:35 0 0 0 40.63 -092.08 00.00 0 177 281 MAY 10, 2003 7 18:10 0 0 0 40.88 -092.03 40.90 -091.97 177 213 APR 2, 2006 7 15:03 0 0 2 40.75 -092.00 40.78 -091.95 177 214 APR 2, 2006 8 15:15 0 0 1 40.80 -091.92 40.82 -091.88 177 216 APR 2, 2006 10 15:19 0 0 1 40.87 -091.82 40.90 -091.78 177 438 APR 10, 2008 17:16 0 0 2 40.72 -092.06 40.75 -092.07 177 440 APR 10, 2008 17:25 0 0 1 40.81 -091.87 40.89 -091.83 177 1216 JUN 12, 2008 16:53 0 0 0 40.87 -091.83 00.00 0 177 728 JUN 21, 2010 12 15:25 0 0 0 40.73 -091.80 40.73 -091.80 177

Wapello County Tornadoes

215 JUN 8, 1958 7 17:00 0 0 2 40.92 -092.20 00.00 0 179,177 309 MAY 18, 1971 10 17:23 0 0 1 41.03 -092.60 00.00 0 179 516 JLY 17, 1972 14 14:45 0 0 0 41.05 -092.53 00.00 0 179 784 AUG 24, 1976 18 17:30 0 0 ? 41.17 -092.63 00.00 0 179 77 MAR 28, 1977 2 11:45 0 0 1 41.10 -092.50 00.00 0 179 909 SEP 13, 1982 30 16:00 0 0 2 40.95 -092.45 41.02 -091.88 179,101 77 APR 14, 1987 2 13:19 0 0 0 40.95 -092.32 00.00 0 179 621 NOV 15, 1988 47 19:08 0 0 2 41.07 -092.33 41.13 -092.25 179 724 JUN 16, 1990 37 12:33 0 0 2 40.92 -092.52 40.95 -092.40 179 746 JUN 16, 1990 41 20:52 0 0 0 40.93 -092.68 00.00 0 179 747 JUN 16, 1990 42 21:40 0 0 0 40.92 -092.17 00.00 0 179 766 JLY 9, 1993 40 1:45 0 0 0 41.00 -092.37 00.00 0 179 615 JUN 2, 1995 22 13:00 0 0 0 41.15 -092.22 00.00 0 179 34 MAR 30, 1998 1 17:35 0 0 1 41.02 -092.43 41.02 -092.43 179 965 MAY 15, 1998 16 15:15 0 0 0 41.08 -092.52 41.08 -092.52 179 253 JUN 1, 2000 25 17:08 0 0 1 41.10 -092.52 41.08 -092.32 179 633 APR 11, 2001 32 15:00 2 3 2 40.97 -092.38 41.08 -092.32 179 713 APR 30, 2003 3 17:45 0 0 0 41.13 -092.33 41.13 -092.33 179 1161 JUN 8, 2008 18:30 0 0 1 41.14 -092.35 41.16 -092.32 179

Warren County Tornadoes

320 JUN 27, 1953 22 17:15 0 2 1 41.38 -093.58 00.00 0 181 391 JUN 16, 1960 11 12:30 0 0 2 41.38 -093.57 00.00 0 181 419 MAY 24, 1965 16 20:10 0 0 1 41.38 -093.73 00.00 0 181 290 JUN 22, 1969 8 15:35 0 0 ? 41.40 -093.60 00.00 0 181 291 JUN 22, 1969 7 15:40 0 0 ? 41.37 -093.57 00.00 0 181 435 JLY 16, 1969 22 23:34 0 0 ? 41.52 -093.50 00.00 0 181 579 JUN 18, 1975 23 5:00 0 0 2 41.37 -093.50 00.00 0 181 68 MAR 29, 1979 5 20:40 0 0 2 41.43 -093.50 41.52 -093.35 181 543 JUN 14, 1980 18 19:05 0 0 1 41.25 -093.73 41.13 -093.60 181,39 544 JUN 14, 1980 19 19:05 0 0 1 41.25 -093.73 41.13 -093.60 181,39 81 APR 10, 1981 7 17:30 0 0 0 41.50 -093.55 00.00 0 181 125 MAY 8, 1988 9 10:56 0 0 1 41.47 -093.37 41.57 -093.23 181,125,99 493 MAY 12, 1997 9 17:12 0 0 0 41.47 -093.38 41.42 -093.22 181 426 AUG 16, 1997 23 18:44 0 0 0 41.18 -093.62 41.18 -093.62 181 427 AUG 16, 1997 24 19:25 0 0 0 41.33 -093.57 41.33 -093.57 181 363 JUN 18, 1998 41 13:04 0 0 1 41.38 -093.75 41.52 -093.63 181 1113 JUN 29, 1998 65 14:50 0 0 0 41.48 -093.68 41.48 -093.68 181 1114 JUN 29, 1998 66 15:43 0 0 0 41.45 -093.68 41.45 -093.68 181 811 APR 5, 1999 3 16:44 0 0 0 41.18 -093.75 41.18 -093.75 181 816 APR 8, 1999 15 16:13 0 0 2 41.18 -093.75 41.58 -093.45 181,153 771 MAY 18, 2000 12 11:01 0 0 1 41.47 -093.38 41.47 -093.32 181,125 255 JUN 25, 2000 35 16:22 0 0 0 41.32 -093.73 41.32 -093.73 181 923 MAY 22, 2004 46 23:02 0 0 1 41.35 -093.80 41.38 -093.67 181 925 MAY 24, 2004 49 16:40 0 0 0 41.35 -093.80 41.35 -093.80 181 1578 SEP 5, 2004 116 18:52 0 0 0 41.43 -093.75 41.43 -093.75 181 223 APR 2, 2006 13 16:06 0 0 0 41.48 -093.45 41.48 -093.45 181 770 JUN 22, 2007 24 15:35 0 0 2 41.49 -093.78 41.47 -093.66 181 771 JUN 22, 2007 25 15:40 0 0 1 41.49 -093.69 41.45 -093.68 181 990 MAY 30, 2008 3:51 0 0 1 41.16 -093.38 41.17 -093.24 181,125 1108 JUN 5, 2008 23:10 0 0 1 41.22 -093.53 41.42 -093.31 181,125 533 JUN 5, 2010 3 17:11 0 0 0 41.30 -093.79 41.30 -093.77 181 948 JLY 23, 2010 31 19:03 0 0 1 41.36 -093.65 41.37 -093.59 181 949 JLY 23, 2010 32 19:12 0 0 1 41.37 -093.53 41.37 -093.52 181 365282 APR 14, 2012 18:54 0 0 1 41.19 -093.67 41.19 -093.65 181

Washington County Tornadoes

10 JAN 24, 1967 3 15:45 0 0 1 41.30 -091.70 00.00 0 183 171 MAY 9, 1970 2 15:00 0 0 2 41.30 -091.53 00.00 0 183 194 APR 20, 1973 6 12:15 0 0 1 41.50 -091.70 00.00 0 183 867 NOV 9, 1975 33 18:15 0 0 2 41.25 -091.62 00.00 0 183 75 APR 3, 1981 5 23:15 0 0 0 41.20 -091.53 41.52 -090.75 183,115,139,163 121 MAY 20, 1987 7 13:30 0 0 1 41.18 -091.50 41.52 -091.27 183,115,139 474 JUN 8, 1993 11 17:23 0 0 1 41.22 -091.48 41.30 -091.43 183,115 1249 MAY 15, 1998 20 16:05 0 047 3 41.28 -091.73 41.88 -091.07 183,103,31 710 APR 11, 2001 43 15:50 0 0 0 41.50 -091.77 41.50 -091.77 183 748 JUN 12, 2002 21 18:13 0 0 0 41.30 -091.65 41.30 -091.65 183 218 APR 2, 2006 11 15:46 0 0 2 41.30 -091.70 41.30 -091.70 183 220 APR 2, 2006 12 16:00 0 0 1 41.45 -091.62 41.45 -091.62 183 599 JUN 6, 2006 28 14:55 0 0 0 41.48 -091.75 41.48 -091.75 183 838 JLY 16, 2007 28 16:49 0 0 1 41.33 -091.67 41.33 -091.67 183

Wayne County Tornadoes

152 MAY 10, 1953 6 15:15 0 0 4 40.87 -093.33 40.93 -093.23 185 256 MAY 20, 1959 16 19:00 0 5 4 40.70 -093.15 40.87 -092.90 185 87 APR 16, 1960 3 16:30 0 0 2 40.80 -093.30 40.90 -093.17 185 149 APR 29, 1970 1 14:30 0 0 2 40.58 -093.52 40.62 -093.48 185 from MO 81,129 145 MAR 23, 1975 1 15:10 0 0 0 40.60 -093.52 00.00 0 185 627 JUN 23, 1975 25 17:05 0 0 1 40.77 -093.48 00.00 0 185 408 JUN 2, 1980 10 6:30 0 0 2 40.65 -093.42 40.65 -093.32 185 71 APR 3, 1981 3 20:10 0 0 0 40.75 -093.23 00.00 0 185 385 JUN 7, 1981 23 20:30 0 0 1 40.63 -093.30 00.00 0 185 663 JUN 15, 1982 22 1:00 0 0 1 40.87 -093.22 00.00 0 185 508 JUN 7, 1984 26 20:33 0 0 1 40.73 -093.35 00.00 0 185 634 SEP 22, 1985 27 20:20 0 0 2 40.87 -093.48 00.00 0 185 126 MAY 8, 1988 10 12:10 0 0 1 40.73 -093.32 00.00 0 185 127 MAY 8, 1988 11 12:25 0 0 2 40.62 -093.33 40.93 -092.45 185,7,51,179 606 NOV 15, 1988 42 16:09 0 0 0 40.73 -093.12 40.73 -093.07 185,7 346 MAY 24, 1989 17 19:32 0 0 1 40.78 -093.53 00.00 0 185 902 JLY 19, 1990 59 16:29 0 0 0 40.87 -093.47 00.00 0 185 349 APR 26, 1991 18 22:10 0 0 2 40.70 -093.37 40.85 -093.30 185 350 APR 26, 1991 19 22:10 0 2 2 40.63 -093.27 40.85 -093.08 185 254 JUN 23, 2000 34 13:18 0 0 0 40.77 -093.32 40.77 -093.32 185 125 MAR 21, 2007 1 23:39 0 0 0 40.62 -093.31 40.63 -093.28 185 993 OCT 2, 2007 39 16:35 0 0 1 40.68 -093.13 40.68 -093.11 185 432 APR 10, 2008 15:33 0 0 0 40.64 -093.48 40.64 -093.48 185 433 APR 10, 2008 15:49 0 0 0 40.83 -093.38 40.84 -093.38 185

Webster County Tornadoes

261 JUN 7, 1953 16 21:00 0 0 2 42.30 -094.30 42.87 -093.75 187,79,197 481 MAY 29, 1957 9 16:00 0 0 ? 42.50 -094.35 00.00 0 187 390 JUN 16, 1960 10 6:00 0 0 2 42.50 -094.20 00.00 0 187 610 AUG 29, 1964 48 16:38 0 0 2 42.55 -094.20 00.00 0 187 219 APR 30, 1967 19 15:50 0 0 2 42.60 -094.03 42.70 -093.98 187 397 JUN 8, 1967 40 21:00 0 0 4 42.52 -094.18 00.00 0 187 399 JUN 8, 1967 42 21:30 0 5 2 42.37 -094.38 42.50 -094.17 187 912 SEP 21, 1973 23 8:25 0 0 3 42.53 -094.23 42.57 -094.18 187 624 JUN 18, 1974 18 19:50 0 1 1 42.50 -094.27 00.00 0 187 211 MAY 4, 1977 8 18:20 0 4 2 42.47 -094.22 00.00 0 187 213 MAY 4, 1977 10 18:32 0 14 4 42.53 -094.15 00.00 0 187 368 MAY 29, 1980 4 20:00 0 0 1 42.52 -094.53 00.00 0 187 402 MAY 17, 1982 7 13:28 0 0 1 42.27 -094.38 00.00 0 187 403 MAY 17, 1982 8 13:28 0 0 1 42.28 -094.38 00.00 0 187 700 SEP 28, 1986 41 18:35 0 0 0 42.47 -094.23 00.00 0 187 454 AUG 22, 1988 39 2:40 0 0 1 42.50 -094.18 00.00 0 187 119 APR 22, 1989 2 10:20 0 0 0 42.27 -094.10 00.00 0 187 935 JLY 25, 1990 60 17:40 0 0 0 42.62 -094.00 00.00 0 187 577 MAY 27, 1995 18 20:49 0 0 1 42.42 -094.28 42.47 -094.23 187 902 APR 6, 1998 3 17:55 0 0 0 42.25 -094.07 42.25 -094.07 187 982 JUN 6, 1999 37 14:40 0 0 1 42.38 -094.15 42.42 -094.15 187 634 APR 11, 2001 28 14:37 0 0 0 42.27 -094.00 42.27 -094.00 187 1285 JUN 11, 2004 78 17:35 0 0 0 42.50 -094.52 42.50 -094.52 187 1287 JUN 11, 2004 80 17:36 0 0 0 42.43 -094.33 42.43 -094.38 187 1288 JUN 11, 2004 081 17:39 0 0 0 42.43 -094.32 42.43 -094.32 187 1289 JUN 11, 2004 082 18:20 0 0 0 42.38 -094.18 42.37 -094.15 187 1290 JUN 11, 2004 083 18:30 0 0 0 42.33 -094.08 42.37 -093.97 187 1291 JUN 11, 2004 084 18:41 0 0 0 42.27 -094.00 42.27 -094.00 187 1292 JUN 11, 2004 085 18:49 0 0 0 42.37 -094.08 42.37 -094.08 187 353 AUG 8, 2004 098 16:00 0 0 0 42.25 -094.35 42.25 -094.35 187 639 MAR 30, 2005 1 12:25 0 0 0 42.40 -094.05 42.40 -094.05 187 640 MAR 30, 2005 2 12:40 0 0 0 42.47 -093.97 42.47 -093.97 187 1408 AUG 9, 2008 17:56 0 0 0 42.59 -094.36 42.58 -094.36 187 1409 AUG 9, 2008 18:07 0 0 0 42.56 -094.35 42.55 -094.35 187 313017 JLY 11, 2011 51 1:52 0 0 0 42.43 -094.29 42.43 -094.25 187

Winnebago County Tornadoes

560 AUG 10, 1961 8 15:30 0 0 0 43.37 -093.95 00.00 0 189 445 JUN 17, 1962 11 16:00 0 0 1 43.47 -093.90 00.00 0 189 90 APR 2, 1967 15 0:30 0 0 1 43.47 -093.90 43.50 -093.87 189 to MN 43 700 AUG 28, 1979 47 17:14 0 0 0 43.27 -093.58 00.00 0 189 813 SEP 20, 1980 39 18:10 0 0 2 43.32 -093.63 43.45 -093.47 189,195 234 MAY 4, 1982 3 17:45 0 0 1 43.45 -093.62 43.47 -093.55 189 197 APR 26, 1984 3 18:35 0 5 1 43.38 -093.95 43.48 -093.93 189 947 AUG 2, 1990 64 17:04 0 0 2 43.27 -093.82 43.27 -093.65 189 438 JUN 8, 1993 9 12:08 0 0 1 43.23 -093.63 00.00 0 189 728 JLY 7, 1994 31 16:00 0 0 0 43.28 -093.62 00.00 0 189 686 JUN 6, 1995 24 17:35 0 0 0 43.27 -093.73 00.00 0 189 1326 AUG 9, 1999 58 20:02 0 0 2 43.47 -093.62 43.40 -093.52 189,195 1131 JUN 7, 2008 14:41 0 0 1 43.35 -093.78 43.38 -093.66 189 686 JUN 17, 2010 10 17:05 0 0 0 43.49 -093.87 43.50 -093.84 189 301087 JUN 19, 2011 43 14:00 0 0 0 43.48 -093.87 43.48 -093.87 189 370091 MAY 4, 2012 16:52 0 0 1 43.49 -093.77 43.49 -093.75 189

Winneshiek County Tornadoes

168 APR 19, 1957 1 13:30 0 0 0 42.65 -091.90 00.00 0 191 759 AUG 25, 1965 34 19:00 0 1 2 43.32 -091.98 43.17 -091.77 191 571 JUN 4, 1973 15 15:30 0 0 2 43.15 -091.77 00.00 0 191 376 JUN 19, 1979 15 21:30 0 0 0 42.23 -092.07 00.00 0 191 603 AUG 4, 1979 35 6:19 0 0 1 43.15 -091.83 00.00 0 191 604 AUG 4, 1979 36 6:20 0 1 1 43.25 -091.80 00.00 0 191 605 AUG 4, 1979 37 6:35 0 0 1 43.15 -091.77 00.00 0 191 722 JLY 10, 1984 55 14:16 0 0 1 43.28 -091.80 00.00 0 191 501 JLY 29, 1987 33 18:10 0 0 2 43.27 -091.72 43.23 -091.48 191,5 687 JUN 12, 1990 29 20:50 0 0 0 43.15 -091.95 00.00 0 191 690 JUN 12, 1990 31 21:48 0 0 1 43.13 -091.75 00.00 0 191 792 JLY 19, 1994 42 21:00 0 0 0 43.22 -091.92 00.00 0 191 181 JUN 26, 2002 27 13:22 0 0 0 43.15 -091.98 43.15 -091.97 191 1056 AUG 19, 2009 15:00 0 0 0 43.20 -091.86 43.25 -091.78 191

Woodbury County Tornadoes

57 MAR 21, 1953 1 12:45 0 2 1 42.23 -095.68 00.00 0 193 59 APR 5, 1958 4 10:00 0 1 1 42.53 -095.90 43.10 -096.00 193,149,167 167 MAY 12, 1963 11 15:45 0 0 2 42.22 -096.20 42.30 -095.92 193 242 MAY 5, 1964 14 18:00 0 7 3 42.52 -096.42 43.18 -095.43 193,149,35,141 623 SEP 3, 1964 51 11:00 0 0 1 42.28 -095.70 00.00 0 193 325 JUN 10, 1968 15 19:25 0 0 0 42.48 -096.33 00.00 0 193 346 JUN 13, 1968 18 19:05 0 0 2 42.45 -096.33 00.00 0 193 489 AUG 8, 1969 25 20:24 0 0 1 42.50 -096.43 00.00 0 193 490 AUG 8, 1969 26 20:25 0 0 1 42.52 -096.38 42.47 -096.33 193 447 JUN 6, 1971 24 21:22 0 3 0 42.32 -096.28 00.00 0 193 487 JLY 6, 1972 11 16:10 0 0 1 42.40 -095.70 42.45 -095.63 193 488 JLY 6, 1972 12 16:13 0 0 1 42.30 -095.77 00.00 0 193 656 JUN 18, 1973 19 3:40 2 10 2 42.48 -096.07 00.00 0 193 657 JUN 18, 1973 20 3:46 0 5 2 42.47 -096.05 00.00 0 193 425 MAY 22, 1975 13 16:45 0 0 2 42.47 -096.37 00.00 0 193 453 JUN 16, 1977 23 4:45 0 2 ? 42.50 -096.45 00.00 0 193 454 JUN 16, 1977 24 4:55 0 0 ? 42.50 -096.38 00.00 0 193 243 MAY 8, 1979 6 4:15 0 4 3 42.45 -096.17 00.00 0 193 244 MAY 8, 1979 7 4:25 0 3 ? 42.47 -096.15 00.00 0 193 801 SEP 5, 1983 30 18:05 0 0 2 42.38 -096.07 00.00 0 193 477 JUN 7, 1984 7 14:45 0 0 1 42.48 -096.08 42.57 -095.97 193,149 620 JUN 17, 1984 39 16:25 0 0 0 42.45 -096.07 00.00 0 193 621 JUN 17, 1984 40 16:27 0 0 0 42.50 -096.07 00.00 0 193 571 JLY 28, 1986 32 18:49 0 1 4 42.42 -096.38 42.18 -096.17 193,133 from NE 51,43 454 JLY 18, 1987 30 18:10 0 0 0 42.23 -096.10 00.00 0 193 145 APR 27, 1989 8 18:33 0 0 0 42.37 -096.20 00.00 0 193 712 JLY 5, 1994 27 19:40 0 0 3 42.33 -096.30 00.00 0 193 797 JLY 20, 1994 44 17:12 0 0 0 42.33 -096.32 00.00 0 193 906 JLY 14, 1995 28 19:35 0 0 0 42.40 -096.08 42.40 -096.05 193 269 MAY 28, 1998 33 19:05 0 0 0 42.40 -096.38 42.40 -096.38 193 558 JUN 23, 1998 49 18:45 0 0 0 42.23 -096.07 42.27 -095.95 193 559 JUN 23, 1998 50 19:08 0 0 0 42.23 -096.23 42.23 -096.23 193 465 JLY 9, 1998 70 17:09 0 0 0 42.50 -096.38 42.50 -096.38 193 102 APR 30, 2001 093 18:59 0 0 0 42.23 -096.17 42.23 -096.12 193 1087 AUG 17, 2001 78 16:51 0 0 0 42.40 -096.40 42.40 -096.40 193 1088 AUG 17, 2001 79 16:55 0 0 0 42.32 -096.32 42.32 -096.32 193 407 AUG 17, 2001 091 18:25 0 0 0 42.30 -095.72 42.30 -095.72 193 173 JUN 20, 2002 22 20:10 0 0 0 42.35 -096.12 42.30 -095.93 193 418 JUN 9, 2003 11 19:20 0 0 0 42.43 -096.32 42.43 -096.32 193 419 JUN 23, 2003 12 21:51 0 0 0 42.48 -095.80 42.48 -095.80 193 548 JLY 20, 2003 20 18:05 0 0 0 42.47 -096.02 42.47 -096.02 193 67 APR 18, 2004 4 19:02 0 0 0 42.27 -096.13 42.27 -096.13 193 195 MAY 28, 2004 52 20:27 0 0 0 42.27 -096.13 42.27 -096.13 193 196 MAY 28, 2004 53 20:38 0 0 0 42.27 -095.97 42.27 -095.97 193 567 SEP 5, 2004 111 14:06 0 0 0 42.40 -095.85 42.55 -095.85 193 184 MAR 30, 2006 1 15:55 0 0 0 42.50 -096.37 42.50 -096.35 193 723 JLY 9, 2006 31 16:52 0 0 0 42.40 -096.18 42.40 -096.17 193 1168 JUN 11, 2008 16:37 0 0 0 42.54 -095.97 42.55 -095.96 193 1307 JLY 6, 2008 15:50 0 0 0 42.53 -096.45 42.53 -096.44 193

Worth County Tornadoes

149 MAY 23, 1952 2 15:00 0 0 1 43.33 -093.08 00.00 0 195 611 AUG 29, 1964 49 17:55 0 0 2 43.37 -093.45 43.48 -093.28 195 612 AUG 29, 1964 50 18:00 0 0 2 43.30 -093.43 00.00 0 195 726 AUG 7, 1965 31 14:20 0 0 1 43.30 -093.42 00.00 0 195 226 APR 30, 1967 26 17:28 0 0 4 43.30 -093.17 43.43 -092.97 195 227 APR 30, 1967 27 17:30 0 0 3 43.33 -093.20 43.57 -093.07 195 231 APR 30, 1967 28 18:20 0 1 4 43.45 -093.17 43.50 -093.12 195 to MN 47 284 MAY 7, 1967 33 16:40 0 0 0 43.37 -093.15 00.00 0 195 621 JLY 12, 1971 28 16:50 0 0 3 43.33 -093.03 43.47 -092.78 195,131 478 MAY 28, 1974 12 20:10 0 3 3 43.33 -093.22 43.37 -093.13 195 611 JUN 16, 1984 35 17:56 0 0 0 43.27 -093.43 00.00 0 195 612 JUN 16, 1984 36 18:20 0 0 0 43.28 -093.20 00.00 0 195 729 JLY 7, 1994 32 16:21 0 0 0 43.27 -093.43 00.00 0 195 968 MAY 15, 1998 17 15:16 0 0 1 43.33 -093.47 43.37 -093.43 195 1133 JUN 7, 2008 15:16 0 0 0 43.42 -093.30 43.43 -093.27 195 1135 JUN 7, 2008 15:23 0 0 0 43.42 -093.21 43.43 -093.17 195

Wright County Tornadoes

191 APR 26, 1964 10 23:30 0 0 2 42.60 -093.73 42.65 -093.65 197 533 OCT 14, 1966 29 13:55 6 172 5 42.80 -093.65 42.92 -093.53 197 400 JUN 24, 1968 20 18:00 0 0 1 42.85 -093.60 00.00 0 197 649 SEP 12, 1972 22 18:31 0 0 1 42.82 -094.00 42.83 -093.97 197 937 SEP 26, 1973 27 2:40 0 0 2 42.82 -093.80 00.00 0 197 485 MAY 30, 1974 13 17:30 0 0 0 42.73 -094.00 00.00 0 197 423 JUN 15, 1978 3 0:01 0 0 ? 42.67 -093.87 00.00 0 197 511 JLY 13, 1979 28 18:15 0 0 1 42.83 -093.62 00.00 0 197 610 JUN 16, 1984 34 16:43 0 0 1 42.73 -093.97 42.82 -093.80 197 684 JUN 12, 1990 28 18:40 0 0 0 42.63 -093.50 00.00 0 197 828 JUN 29, 1990 54 18:41 0 0 0 42.67 -093.90 00.00 0 197 830 JUN 29, 1990 55 18:45 0 0 1 42.73 -093.82 42.73 -093.75 197 618 MAY 17, 1991 35 15:52 0 0 0 42.72 -093.70 00.00 0 197 536 JUN 16, 1993 13 6:18 0 0 0 42.67 -093.75 00.00 0 197 563 JUN 18, 1994 18 17:10 0 0 0 42.85 -093.62 00.00 0 197 962 MAY 15, 1998 12 14:58 0 0 1 42.67 -093.88 42.83 -093.78 197 983 JUN 6, 1999 38 15:10 0 0 0 42.58 -093.73 42.58 -093.73 197 984 JUN 6, 1999 39 15:19 0 0 0 42.85 -093.60 42.85 -093.60 197 992 JUN 8, 1999 47 17:09 0 0 0 42.85 -093.92 42.85 -093.92 197 904 MAY 21, 2004 26 18:30 0 0 0 42.80 -093.82 42.80 -093.82 197 645 MAR 30, 2005 4 13:15 0 0 1 42.67 -093.52 42.67 -093.52 197 763 JUN 21, 2007 20 14:55 0 0 0 42.70 -093.80 42.70 -093.80 197 760 JUN 22, 2010 16 21:25 0 0 0 42.69 -093.96 42.68 -093.92 197
