California Tornadoes 1950-2012
This page lists the date and location of all the tornadoes that have occurred in California from the year 1950. If you are interested in reading about the worst tornadoes that have struck California(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
Alameda County Tornadoes

74 MAR 29, 1982 04 17:25 0 0 0 37.68 -121.77 00.00 0 1 1293 DEC 17, 1992 16 14:30 0 0 0 37.73 -122.15 00.00 0 1 156 APR 25, 1994 07 13:50 0 0 0 37.68 -121.77 00.00 0 1

Butte County Tornadoes

387 JUN 28, 1970 02 16:15 0 0 1 39.35 -121.80 39.37 -121.75 7 37 MAR 4, 1978 05 16:00 0 0 ? 39.83 -121.92 00.00 0 7 45 MAR 23, 1978 11 16:20 0 0 ? 39.77 -121.62 00.00 0 7 1 JAN 22, 1981 01 9:30 0 0 0 39.73 -121.88 00.00 0 7 1294 DEC 17, 1992 17 18:20 0 4 1 39.52 -121.57 00.00 0 7 3 JAN 7, 1993 01 19:00 0 0 1 39.42 -121.72 00.00 0 7 144 APR 17, 1993 10 20:20 0 0 0 39.73 -121.83 00.00 0 7 17 FEB 10, 1994 03 16:28 0 2 2 39.52 -121.57 00.00 0 7 38 MAR 10, 1994 05 21:30 0 0 0 39.52 -121.57 00.00 0 7 183 APR 25, 1994 08 22:10 0 0 0 39.33 -121.53 00.00 0 7 539 MAY 16, 1998 20 15:25 0 0 0 39.50 -121.75 39.50 -121.75 7 417 JAN 8, 2005 01 18:45 0 0 1 39.45 -121.57 39.45 -121.57 7 427 APR 8, 2005 22 17:05 0 0 0 39.62 -121.80 39.63 -121.80 7 299822 MAY 25, 2011 08 19:45 0 0 2 39.60 -121.62 39.60 -121.62 7

Calaveras County Tornadoes

709 JLY 29, 1980 08 17:00 0 0 ? 38.12 -120.88 00.00 0 9

Colusa County Tornadoes

299794 MAR 21, 2011 03 16:44 0 0 0 39.28 -122.24 39.28 -122.23 11 299795 MAR 23, 2011 04 17:00 0 0 0 39.15 -122.17 39.16 -122.16 11

Contra Costa County Tornadoes

761 SEP 18, 1989 03 17:10 0 0 0 37.97 -122.03 00.00 0 13 760 SEP 18, 1989 02 19:10 0 0 0 37.97 -122.03 00.00 0 13 921 FEB 19, 1998 08 14:30 0 0 0 37.93 -121.70 37.93 -121.70 13 1401 DEC 5, 1998 24 21:30 0 0 0 37.93 -122.35 37.93 -122.35 13 29 JAN 23, 2010 06 14:54 0 0 1 37.91 -121.77 37.90 -121.74 13

Del Norte County Tornadoes

2 JAN 10, 1958 01 4:45 0 0 0 41.75 -124.20 00.00 0 15 216 MAY 13, 1960 01 15:00 0 0 ? 41.55 -124.00 00.00 0 15 1288 DEC 11, 1992 13 15:15 0 0 1 41.75 -124.20 00.00 0 15 1297 DEC 30, 1992 20 5:30 0 0 1 41.75 -124.20 00.00 0 15 2 JAN 20, 1996 01 13:30 0 0 0 41.95 -124.17 41.93 -124.17 15 3 JAN 20, 1996 02 14:00 0 0 0 41.75 -124.20 41.75 -124.20 15

El Dorado County Tornadoes

683 OCT 1, 1972 02 14:00 0 0 0 38.80 -120.50 00.00 0 17

Fresno County Tornadoes

348 MAY 19, 1957 01 10:22 0 0 1 36.70 -119.83 00.00 0 19 51 MAR 22, 1962 03 14:00 0 0 2 36.80 -119.80 00.00 0 19 5 JAN 21, 1964 01 4:00 0 0 0 36.82 -119.70 00.00 0 19 203 APR 22, 1967 04 19:07 0 0 1 36.70 -120.67 00.00 0 19 119 MAR 13, 1975 01 17:17 0 0 0 36.50 -119.67 00.00 0 19 190 APR 5, 1975 03 18:32 0 0 0 36.78 -119.93 00.00 0 19 30 MAR 14, 1979 04 14:50 0 0 ? 36.60 -119.67 00.00 0 19 9 FEB 19, 1980 04 16:05 0 2 1 36.77 -119.72 00.00 0 19 71 MAR 28, 1982 03 19:00 0 1 1 36.57 -119.62 36.52 -119.55 19 31 MAR 8, 1986 04 22:35 0 0 1 36.55 -119.65 36.58 -119.57 19 33 MAR 2, 1989 01 18:20 0 0 0 36.78 -119.77 00.00 0 19 1290 DEC 11, 1992 15 20:50 0 0 0 36.65 -119.77 00.00 0 19 386 JUN 5, 1993 11 16:05 0 0 0 36.78 -119.77 00.00 0 19 224 MAY 1, 1995 03 19:45 0 0 0 36.78 -119.73 00.00 0 19 351 MAY 13, 1995 05 15:15 0 0 0 36.70 -120.03 00.00 0 19 996 APR 16, 1996 13 15:50 0 0 0 36.88 -119.88 36.88 -119.88 19 1067 OCT 30, 1996 14 14:50 0 0 0 36.77 -119.78 36.78 -119.78 19 534 NOV 26, 1997 14 15:00 0 0 0 36.93 -119.68 36.93 -119.68 19 533 NOV 26, 1997 15 16:10 0 0 0 36.93 -119.58 36.93 -119.58 19 814 FEB 14, 1998 07 16:41 0 0 1 36.87 -120.48 36.85 -120.43 19 49 FEB 27, 2000 03 15:59 0 0 0 36.70 -120.12 36.70 -120.12 19 50 FEB 27, 2000 04 16:10 0 0 0 36.60 -119.87 36.60 -119.87 19 51 FEB 27, 2000 05 17:17 0 0 0 36.65 -119.77 36.65 -119.77 19 98 APR 7, 2001 07 21:58 0 0 0 36.82 -119.70 36.82 -119.70 19 97 MAY 9, 2005 25 12:18 0 0 0 36.63 -119.68 36.63 -119.68 19 1 JAN 18, 2010 01 17:24 0 0 0 36.73 -119.86 36.73 -119.84 19 430360 MAR 17, 2012 00 16:30 0 0 0 36.63 -120.32 36.63 -120.32 19

Glenn County Tornadoes

182 MAY 19, 1953 02 15:30 0 0 2 39.75 -122.18 00.00 0 21 143 APR 17, 1993 09 17:40 0 0 1 39.53 -122.13 00.00 0 21 475 JLY 5, 2000 06 19:15 0 0 0 39.68 -122.30 39.68 -122.28 21 316 JUN 6, 2005 27 16:30 0 0 0 39.62 -122.20 39.62 -122.20 21 6 JAN 24, 2009 00 17:00 0 0 0 39.36 -122.04 39.36 -122.04 21 34 MAR 8, 2010 08 18:25 0 0 0 39.73 -122.55 39.73 -122.55 21 299806 MAY 25, 2011 06 18:08 0 0 1 39.62 -122.16 39.72 -121.78 21 299818 MAY 25, 2011 07 18:12 0 0 1 39.52 -122.20 39.64 -121.73 21

Humboldt County Tornadoes

45 MAR 29, 1958 06 15:40 0 0 2 40.95 -124.10 00.00 0 23

Imperial County Tornadoes

643 JLY 5, 1965 03 14:15 0 0 1 32.73 -114.63 00.00 0 25 644 JLY 5, 1965 04 15:00 0 0 ? 32.80 -114.83 00.00 0 25 353 JUN 7, 1972 01 15:40 0 0 0 33.30 -115.05 00.00 0 25 162 MAY 5, 1992 03 20:30 0 0 0 32.85 -115.57 00.00 0 25 1017 AUG 29, 1993 12 17:30 0 0 1 32.85 -115.57 00.00 0 25 639 SEP 24, 1997 11 17:14 0 0 0 32.78 -115.67 32.80 -115.68 25 467 AUG 30, 2000 08 20:45 0 0 0 33.00 -115.07 33.00 -115.07 25

Inyo County Tornadoes

418500 NOV 30, 2012 00 14:45 0 0 0 36.95 -118.23 36.94 -118.20 27

Kern County Tornadoes

91 APR 20, 1988 06 14:40 0 0 0 35.07 -118.63 00.00 0 29 72 MAR 17, 1991 03 23:30 0 0 1 35.13 -119.48 00.00 0 29 123 MAR 25, 1991 09 16:20 0 0 0 35.68 -117.68 00.00 0 29 125 MAR 26, 1991 10 16:07 0 0 0 35.63 -117.68 00.00 0 29 46 FEB 23, 1993 08 16:45 0 0 0 35.68 -119.23 00.00 0 29 810 JUN 26, 1995 07 18:50 0 0 0 34.98 -117.97 00.00 0 29 1074 NOV 22, 1996 18 17:43 0 0 0 35.42 -118.85 35.43 -118.82 29 12 FEB 17, 1997 02 16:15 0 0 0 35.37 -119.00 35.37 -119.00 29 106 MAR 22, 1997 03 18:37 0 0 0 35.67 -119.42 35.67 -119.40 29 221 APR 3, 1999 02 18:30 0 0 0 35.35 -118.97 35.35 -118.97 29 936 SEP 1, 2007 04 17:30 0 0 0 34.84 -118.21 35.02 -118.16 29 31 FEB 27, 2010 07 18:45 0 0 0 35.30 -119.27 35.30 -119.27 29

Kings County Tornadoes

670 NOV 1, 1964 02 17:20 0 0 ? 35.88 -119.52 00.00 0 31 75 APR 5, 1980 06 11:40 0 1 2 36.37 -119.70 36.28 -119.45 31,107 1094 OCT 12, 1991 15 2:15 0 0 0 36.17 -119.65 00.00 0 31 29 MAR 5, 1994 04 16:45 0 0 0 36.30 -119.78 00.00 0 31 926 MAR 12, 1996 04 16:07 0 0 0 36.35 -119.68 36.33 -119.65 31 927 MAR 12, 1996 05 16:25 0 0 0 36.38 -119.65 36.33 -119.65 31 1072 NOV 22, 1996 16 16:27 0 0 0 36.33 -119.93 36.33 -119.93 31 1073 NOV 22, 1996 17 17:05 0 0 1 36.33 -119.93 36.33 -119.93 31

Los Angeles County Tornadoes

240 DEC 20, 1952 01 14:00 0 0 ? 34.40 -118.53 00.00 0 37 3 JAN 18, 1955 01 13:01 0 0 ? 34.05 -118.30 00.00 0 37 178 MAY 9, 1956 02 10:30 0 1 0 34.08 -118.18 00.00 0 37 22 FEB 19, 1962 02 18:00 0 0 1 36.23 -118.52 00.00 0 37 128 MAY 14, 1962 04 14:00 0 0 1 33.87 -118.30 00.00 0 37 672 NOV 9, 1964 03 9:00 0 0 1 33.93 -118.42 00.00 0 37 560 NOV 7, 1966 03 15:00 0 0 2 33.90 -118.30 00.00 0 37 561 NOV 7, 1966 04 15:00 0 10 2 33.85 -118.33 33.90 -118.17 37 149 APR 18, 1967 01 20:00 0 0 0 34.02 -118.50 00.00 0 37 238 MAY 8, 1977 03 12:00 0 0 ? 33.78 -118.20 00.00 0 37 1 JAN 4, 1978 01 17:15 0 0 ? 34.12 -117.82 00.00 0 37 26 FEB 10, 1978 03 0:30 0 0 ? 33.93 -118.42 00.00 0 37 15 JAN 31, 1979 02 12:45 0 0 ? 34.17 -118.37 00.00 0 37 5 JAN 28, 1980 02 15:15 0 0 0 33.88 -118.30 00.00 0 37 76 MAR 29, 1982 05 23:30 0 0 1 34.08 -118.10 00.00 0 37 936 NOV 9, 1982 08 11:30 0 0 1 34.03 -118.68 00.00 0 37 937 NOV 9, 1982 09 13:30 0 0 2 34.18 -118.45 00.00 0 37 938 NOV 9, 1982 10 14:00 0 0 2 33.78 -118.20 33.88 -118.05 37 939 NOV 9, 1982 11 14:00 0 0 0 33.97 -118.30 00.00 0 37 55 MAR 1, 1983 02 9:40 0 30 2 33.98 -118.37 34.05 -118.35 37 56 MAR 1, 1983 03 10:15 0 0 0 34.13 -118.12 00.00 0 37 811 SEP 30, 1983 07 9:00 0 0 0 33.92 -118.28 00.00 0 37 812 OCT 1, 1983 08 0:35 0 3 1 33.92 -118.35 00.00 0 37 440 MAY 30, 1984 02 11:15 0 0 0 34.12 -117.82 00.00 0 37 238 JUN 5, 1987 03 17:15 0 0 0 34.63 -118.10 00.00 0 37 2 JAN 16, 1990 02 23:20 0 0 0 33.95 -118.05 00.00 0 37 75 MAR 19, 1991 04 4:00 0 0 0 33.85 -118.13 00.00 0 37 90 MAR 20, 1992 02 23:00 0 0 1 34.10 -118.18 00.00 0 37 13 JAN 18, 1993 04 1:45 0 0 0 34.03 -118.30 00.00 0 37 14 FEB 7, 1994 01 19:45 0 0 0 34.25 -118.35 00.00 0 37 789 JUN 16, 1995 06 14:55 0 0 0 33.93 -118.02 00.00 0 37 874 JLY 21, 1997 09 17:55 0 0 0 34.58 -118.12 34.58 -118.12 37 12 JAN 9, 1998 01 16:00 0 1 1 33.78 -118.17 33.78 -118.17 37 173 APR 1, 1999 01 16:00 0 0 0 34.25 -118.60 34.25 -118.60 37 11 FEB 16, 2000 01 18:30 0 0 0 34.08 -117.88 34.08 -117.88 37 408 AUG 28, 2000 07 15:45 0 0 0 34.55 -117.98 34.55 -117.98 37 570 DEC 21, 2001 01 2:40 0 0 0 34.02 -117.87 34.02 -117.87 37 72 DEC 29, 2004 07 0:40 0 0 0 33.78 -118.17 33.78 -118.17 37 71 DEC 29, 2004 08 2:15 0 0 0 33.97 -118.30 33.97 -118.30 37 824 DEC 29, 2004 09 2:15 0 0 0 33.95 -118.03 33.95 -118.03 37 337 AUG 15, 2005 29 19:53 0 0 0 34.72 -117.98 34.72 -117.98 37 935 SEP 1, 2007 03 17:20 0 0 0 34.65 -118.12 34.65 -118.12 37

Madera County Tornadoes

31 FEB 28, 1958 04 7:00 0 0 ? 37.12 -119.70 00.00 0 39 38 MAR 12, 1958 05 13:00 0 0 0 36.97 -120.07 00.00 0 39 192 APR 21, 1967 02 18:45 0 0 1 36.97 -120.07 00.00 0 39 80 MAR 20, 1991 08 16:30 0 0 0 37.05 -120.35 00.00 0 39 25 JAN 14, 1995 01 19:15 0 0 1 37.12 -120.27 00.00 0 39 91 MAR 24, 1998 10 15:46 0 0 0 37.08 -120.35 37.10 -120.32 39 92 MAR 28, 1998 11 18:35 0 0 0 37.12 -120.25 37.12 -120.25 39 48 FEB 27, 2000 02 15:37 0 0 0 36.87 -120.20 36.87 -120.18 39 98 MAY 20, 2002 01 16:59 0 0 1 36.93 -120.12 36.93 -120.05 39

Marin County Tornadoes

1084 DEC 23, 1996 21 12:00 0 0 1 38.25 -122.93 38.25 -122.83 41

Mariposa County Tornadoes

687 OCT 15, 1972 04 14:24 0 0 0 37.80 -119.83 00.00 0 43 42 JAN 14, 2006 01 16:25 0 0 0 37.53 -120.28 37.53 -120.28 43

Mendocino County Tornadoes

12 FEB 3, 1958 03 12:00 0 0 ? 38.75 -123.53 00.00 0 45 916 DEC 11, 1983 09 12:30 0 0 0 39.15 -123.22 00.00 0 45 1398 DEC 5, 1998 22 17:57 0 0 1 39.42 -123.82 39.42 -123.80 45

Merced County Tornadoes

88 APR 18, 1955 03 14:00 0 0 ? 37.30 -120.25 00.00 0 47 204 APR 22, 1967 03 20:15 0 0 1 37.10 -120.75 00.00 0 47 189 APR 5, 1975 02 12:00 0 0 0 37.07 -120.85 00.00 0 47 39 MAR 4, 1978 07 16:35 0 1 1 37.42 -120.85 00.00 0 47 30 FEB 19, 1986 03 16:30 0 0 0 37.23 -120.25 00.00 0 47 135 MAR 26, 1991 12 19:40 0 0 0 37.23 -120.32 00.00 0 47 994 APR 1, 1996 11 17:45 0 0 0 37.13 -120.48 37.13 -120.48 47 1071 NOV 22, 1996 15 15:50 0 0 1 37.33 -120.45 37.33 -120.45 47 532 NOV 13, 1997 13 17:30 0 0 0 37.03 -120.85 37.00 -120.85 47 815 FEB 14, 1998 06 15:25 0 0 0 37.07 -120.77 37.07 -120.77 47 599 DEC 16, 2002 03 14:40 0 0 1 37.33 -120.52 37.35 -120.48 47 469 DEC 16, 2002 02 14:50 0 0 0 37.35 -120.43 37.37 -120.42 47 83 APR 8, 2005 24 19:20 0 0 0 37.45 -120.72 37.45 -120.70 47 173 MAR 28, 2006 04 16:42 0 0 0 37.33 -120.63 37.35 -120.63 47 174 MAR 28, 2006 05 16:48 0 0 0 37.28 -120.47 37.30 -120.47 47 175 MAR 28, 2006 06 17:17 0 0 0 37.32 -120.53 37.32 -120.53 47 7 FEB 9, 2009 00 13:32 0 0 0 37.21 -120.60 37.21 -120.60 47

Monterey County Tornadoes

66 APR 3, 1987 02 12:14 0 0 0 36.77 -121.63 00.00 0 53 1281 DEC 6, 1992 07 21:00 0 2 1 36.55 -121.92 36.62 -121.83 53 1282 DEC 6, 1992 08 21:00 0 0 1 36.60 -121.88 00.00 0 53 1289 DEC 11, 1992 14 20:45 0 0 0 36.68 -121.77 00.00 0 53

Nevada County Tornadoes

411526 OCT 22, 2012 00 18:28 0 0 1 39.05 -121.09 39.09 -121.05 57

Orange County Tornadoes

49 APR 1, 1958 09 11:30 0 0 ? 33.52 -117.77 00.00 0 59 21 FEB 19, 1962 01 5:30 0 0 0 33.70 -117.80 00.00 0 59 111 APR 8, 1965 02 13:00 0 0 ? 33.65 -117.90 00.00 0 59 559 NOV 7, 1966 02 11:09 0 0 ? 33.62 -117.88 00.00 0 59 562 NOV 7, 1966 05 15:15 0 0 2 33.65 -117.92 00.00 0 59 58 MAR 16, 1977 02 20:30 0 4 1 33.85 -118.00 33.88 -117.82 59 25 FEB 9, 1978 14 3:55 0 6 3 33.67 -115.78 00.00 0 59 16 JAN 31, 1979 03 13:30 0 0 1 33.75 -117.88 00.00 0 59 940 NOV 9, 1982 12 15:00 0 0 0 33.78 -117.92 00.00 0 59 941 NOV 9, 1982 13 15:00 0 0 1 33.58 -117.67 00.00 0 59 1 JAN 13, 1984 01 20:19 0 0 0 33.67 -118.00 00.00 0 59 90 MAR 16, 1986 06 9:30 0 0 1 33.83 -117.92 00.00 0 59 1 JAN 18, 1988 01 13:30 0 0 0 33.60 -117.63 00.00 0 59 2 JAN 18, 1988 02 14:00 0 0 0 33.42 -117.62 00.00 0 59 39 FEB 28, 1991 01 16:45 0 0 0 33.73 -117.80 00.00 0 59 147 MAR 27, 1991 13 0:35 0 0 1 33.67 -118.00 33.70 -117.95 59 1284 DEC 7, 1992 10 9:30 0 0 1 33.75 -118.00 00.00 0 59 1285 DEC 7, 1992 11 12:30 0 0 1 33.83 -117.92 00.00 0 59 1296 DEC 29, 1992 19 15:30 0 0 0 33.42 -117.62 00.00 0 59 7 JAN 14, 1993 02 3:40 0 0 1 33.88 -117.95 00.00 0 59 12 JAN 17, 1993 03 21:30 0 1 0 33.67 -117.75 00.00 0 59 16 JAN 18, 1993 05 16:05 0 0 0 33.67 -118.00 00.00 0 59 18 FEB 8, 1993 06 14:20 0 0 0 33.92 -117.88 00.00 0 59 1150 NOV 11, 1993 13 13:30 0 2 0 33.68 -117.82 00.00 0 59 15 FEB 7, 1994 02 22:15 0 0 0 33.62 -117.93 33.73 -117.82 59 593 NOV 11, 1997 12 14:40 0 0 1 33.68 -117.82 33.68 -117.82 59 617 DEC 21, 1997 17 15:40 0 0 1 33.67 -118.00 33.67 -118.00 59 30 FEB 24, 1998 09 3:30 0 0 0 33.67 -118.00 33.67 -118.00 59 4 FEB 24, 2001 05 15:50 0 0 0 33.78 -117.83 33.78 -117.83 59 16 FEB 19, 2005 06 9:42 0 0 0 33.67 -118.00 33.67 -118.00 59 970 SEP 22, 2007 05 12:00 0 0 0 33.62 -117.93 33.62 -117.93 59 3 JAN 19, 2010 03 14:55 0 0 1 33.72 -118.13 33.73 -118.05 59

Placer County Tornadoes

688 OCT 15, 1972 03 14:26 0 0 0 38.75 -121.35 00.00 0 61 65 MAR 3, 1983 04 19:15 0 0 0 38.75 -121.28 00.00 0 61 195 APR 23, 1990 03 17:30 0 0 0 38.85 -121.17 00.00 0 61

Riverside County Tornadoes

71 APR 6, 1955 02 15:30 0 0 ? 34.00 -117.25 00.00 0 65 856 AUG 16, 1973 01 23:00 0 0 3 33.62 -114.63 00.00 0 65 731 JLY 20, 1974 01 15:49 0 1 1 33.75 -116.95 00.00 0 65 15 JAN 20, 1982 01 4:05 0 0 0 33.95 -117.40 00.00 0 65 628 SEP 18, 1985 03 11:55 0 0 0 33.52 -115.93 00.00 0 65 77 MAR 20, 1991 06 13:30 0 0 0 33.95 -117.40 00.00 0 65 869 AUG 12, 1994 09 17:00 0 0 0 33.75 -116.90 00.00 0 65 1107 DEC 22, 1996 20 11:00 0 0 1 33.92 -116.78 33.92 -116.78 65 170 MAY 13, 1998 19 16:45 0 0 0 33.73 -117.12 33.73 -117.12 65 11 JAN 9, 2005 02 19:11 0 0 0 33.72 -116.97 33.72 -116.97 65 636 FEB 19, 2005 09 11:35 0 0 1 33.48 -117.17 33.50 -117.15 65 18 FEB 26, 2005 14 17:00 0 0 0 33.70 -117.30 33.70 -117.30 65 249 JLY 23, 2005 28 15:06 0 0 0 33.73 -116.95 33.72 -117.00 65 755 JLY 23, 2006 09 17:15 0 0 0 33.73 -117.15 33.73 -117.15 65 789 MAY 22, 2008 00 17:30 0 0 0 33.84 -117.23 33.84 -117.24 65 792 MAY 22, 2008 00 17:42 0 1 2 33.88 -117.25 33.86 -117.29 65 793 MAY 22, 2008 00 17:50 0 0 0 33.87 -117.27 33.87 -117.28 65 794 MAY 22, 2008 00 18:40 0 0 0 33.80 -117.34 33.80 -117.35 65 25 JAN 21, 2010 05 17:10 0 0 0 33.51 -114.75 33.65 -114.57 65 399980 AUG 12, 2012 00 16:30 0 0 0 33.77 -117.20 33.77 -117.20 65 411603 SEP 9, 2012 00 15:00 0 0 0 33.78 -117.23 33.78 -117.23 65

Sacramento County Tornadoes

24 FEB 7, 1978 02 15:26 0 0 2 38.70 -121.45 38.73 -121.42 67 103 MAR 22, 1983 05 16:10 0 0 1 38.72 -121.35 38.77 -121.28 67,61 88 APR 19, 1988 05 16:58 0 0 1 38.68 -121.17 00.00 0 67 86 MAR 23, 1995 02 20:30 0 0 0 38.23 -121.52 00.00 0 67 537 APR 24, 1998 13 15:30 0 0 0 38.63 -121.38 38.63 -121.38 67 420 FEB 21, 2005 11 15:50 0 0 0 38.57 -121.45 38.57 -121.45 67 419 FEB 21, 2005 12 15:54 0 0 0 38.62 -121.47 38.62 -121.47 67 425 APR 8, 2005 21 16:55 0 0 0 38.50 -121.30 38.50 -121.30 67 426 APR 8, 2005 23 17:22 0 0 0 38.67 -121.47 38.67 -121.47 67 64 FEB 25, 2007 01 14:24 0 0 0 38.39 -121.37 38.41 -121.37 67 299798 FEB 25, 2011 01 17:00 0 0 0 38.56 -121.30 38.57 -121.29 67 411522 OCT 22, 2012 00 17:45 0 0 0 38.39 -121.35 38.40 -121.34 67

San Benito County Tornadoes

17 MAR 11, 1985 02 12:00 0 0 2 36.85 -121.40 00.00 0 69

San Bernardino County Tornadoes

390 JUN 25, 1954 01 12:00 0 0 2 34.63 -117.20 00.00 0 71 873 NOV 25, 1965 05 16:30 0 0 1 34.12 -117.77 00.00 0 71 415 JLY 22, 1966 01 18:45 0 0 ? 34.50 -117.30 00.00 0 71 883 OCT 22, 1974 02 15:55 0 0 1 34.18 -116.37 00.00 0 71 794 SEP 4, 1976 01 19:45 0 0 ? 34.62 -117.60 00.00 0 71 795 SEP 5, 1976 02 19:19 0 0 ? 34.68 -117.50 00.00 0 71 796 SEP 6, 1976 03 18:00 0 0 ? 34.28 -117.60 00.00 0 71 797 SEP 6, 1976 04 19:19 0 0 ? 34.58 -117.57 00.00 0 71 798 SEP 6, 1976 05 19:25 0 0 ? 34.63 -117.62 00.00 0 71 799 SEP 6, 1976 06 19:30 0 0 ? 34.65 -117.63 00.00 0 71 887 SEP 7, 1982 07 15:30 0 2 2 34.23 -116.37 00.00 0 71 717 AUG 1, 1983 06 12:50 0 1 0 34.28 -116.45 00.00 0 71 551 JLY 21, 1986 07 14:45 0 0 0 34.72 -117.03 00.00 0 71 496 JLY 27, 1987 04 20:51 0 0 0 34.13 -116.05 00.00 0 71 967 AUG 14, 1990 04 18:45 0 0 0 34.85 -116.85 00.00 0 71 1045 SEP 29, 1990 05 18:00 0 0 0 34.85 -116.88 00.00 0 71 78 MAR 20, 1991 07 14:45 0 0 0 34.17 -117.35 00.00 0 71 505 MAY 11, 1997 04 15:30 0 0 1 34.52 -117.20 34.52 -117.20 71 692 MAY 18, 1997 05 17:37 0 0 1 34.63 -117.23 34.60 -117.18 71 1147 MAY 18, 1997 06 17:50 0 0 1 34.60 -117.18 34.63 -117.03 71 264 JUN 6, 1997 08 19:00 0 0 0 34.42 -117.30 34.42 -117.30 71 614 AUG 7, 1997 10 19:33 0 0 0 34.60 -114.60 34.60 -114.60 71 603 AUG 25, 1998 21 13:20 0 0 0 35.42 -115.33 35.43 -115.32 71 431 APR 21, 2001 03 13:35 0 0 1 34.90 -114.62 34.92 -114.62 71 to NV 3 and AZ 15 288 JLY 7, 2001 04 14:45 0 0 0 34.13 -116.32 34.13 -116.32 71 1517 AUG 14, 2004 03 13:18 0 0 0 34.30 -116.55 34.30 -116.55 71 1516 AUG 14, 2004 04 13:40 0 0 0 34.42 -117.57 34.42 -117.57 71 25 MAR 4, 2005 15 14:20 0 0 0 34.10 -117.43 34.10 -117.43 71 1397 AUG 4, 2008 00 15:00 0 0 1 34.35 -116.59 34.36 -116.58 71

San Diego County Tornadoes

141 APR 13, 1956 01 16:55 0 1 1 32.63 -117.08 00.00 0 73 633 OCT 8, 1961 01 11:30 0 3 1 33.17 -117.35 00.00 0 73 81 FEB 23, 1971 01 11:30 0 0 0 32.60 -117.00 00.00 0 73 904 OCT 29, 1974 03 6:00 0 0 0 33.05 -117.30 00.00 0 73 784 DEC 18, 1978 13 12:30 0 0 ? 33.20 -117.38 00.00 0 73 6 JAN 18, 1979 01 7:02 0 0 0 32.80 -117.10 00.00 0 73 10 FEB 20, 1980 05 20:00 0 0 1 32.78 -117.20 00.00 0 73 60 MAR 17, 1982 02 19:15 0 0 0 32.73 -117.18 00.00 0 73 3 FEB 4, 1985 01 10:40 0 0 0 32.80 -117.10 00.00 0 73 1 JAN 14, 1990 01 5:30 0 0 0 32.75 -117.10 00.00 0 73 76 MAR 19, 1991 05 6:30 0 0 1 32.75 -117.10 00.00 0 73 148 MAR 27, 1991 14 4:00 0 0 1 33.15 -117.17 00.00 0 73 30 FEB 15, 1992 01 15:30 0 0 0 33.33 -117.30 00.00 0 73 1286 DEC 7, 1992 12 19:00 0 0 0 33.17 -117.35 00.00 0 73 176 MAY 20, 1997 07 18:45 0 0 0 33.25 -116.27 33.25 -116.27 73 15 JAN 29, 1998 02 13:12 0 0 1 33.05 -117.30 33.05 -117.30 73 29 FEB 8, 1998 05 2:00 0 0 0 33.03 -117.28 33.02 -117.20 73 533 JLY 12, 1999 03 19:45 0 0 0 33.08 -116.48 33.08 -116.48 73 567 NOV 10, 2000 09 11:30 0 0 1 32.95 -117.02 32.95 -117.00 73 619 OCT 17, 2004 05 8:08 0 0 0 33.20 -117.38 33.20 -117.38 73 634 FEB 19, 2005 07 11:17 0 0 0 33.35 -117.28 33.38 -117.25 73 635 FEB 19, 2005 08 11:30 0 0 0 33.42 -117.15 33.42 -117.15 73 17 FEB 23, 2005 13 12:50 0 0 0 32.63 -117.08 32.63 -117.08 73 69 MAR 10, 2006 02 18:38 0 0 0 33.05 -117.30 33.05 -117.30 73 71 MAR 11, 2006 03 14:11 0 0 0 33.10 -116.93 33.10 -116.87 73 971 SEP 22, 2007 06 13:43 0 0 0 33.02 -117.29 33.03 -117.29 73

San Joaquin County Tornadoes

353 MAY 31, 1967 05 19:50 0 0 1 37.97 -121.30 00.00 0 77 576 OCT 16, 1969 01 17:00 0 0 ? 37.67 -121.30 00.00 0 77 148 APR 27, 1970 01 18:30 0 0 0 37.90 -121.30 00.00 0 77 187 APR 24, 1971 02 17:35 0 0 0 37.95 -121.35 00.00 0 77 47 MAR 31, 1978 12 15:40 0 0 ? 37.93 -112.20 00.00 0 77 2 JAN 23, 1981 02 12:45 0 0 0 37.97 -121.30 00.00 0 77 46 MAR 19, 1981 03 17:30 0 0 0 37.98 -121.05 00.00 0 77 748 JUN 29, 1982 06 15:20 0 0 0 38.10 -121.43 00.00 0 77 86 APR 19, 1988 04 16:35 0 0 1 38.17 -121.15 00.00 0 77 132 MAR 26, 1991 11 19:15 0 0 0 38.13 -121.37 00.00 0 77 1063 APR 1, 1996 07 17:00 0 0 0 37.98 -121.32 37.98 -121.32 77 1064 APR 1, 1996 08 17:00 0 0 0 38.08 -121.30 38.08 -121.30 77 1065 APR 1, 1996 09 17:00 0 0 0 38.13 -121.25 38.13 -121.25 77 1066 APR 1, 1996 10 17:00 0 0 0 38.13 -121.27 38.13 -121.27 77 536 MAR 28, 1998 12 19:20 0 0 0 37.67 -121.33 37.67 -121.33 77 428 APR 8, 2005 20 15:12 0 0 0 37.82 -121.30 37.83 -121.25 77 612 DEC 26, 2005 30 4:45 0 0 0 37.75 -121.43 37.75 -121.43 77 374196 APR 11, 2012 00 15:00 0 0 0 37.88 -121.33 37.88 -121.33 77

San Luis Obispo County Tornadoes

215 MAY 5, 1998 14 6:40 0 0 0 35.28 -120.67 35.28 -120.67 79 9 FEB 2, 2004 01 17:00 0 0 0 35.10 -120.63 35.10 -120.63 79

San Mateo County Tornadoes

47 APR 1, 1958 07 2:25 0 0 ? 37.62 -122.35 00.00 0 81 33 MAR 10, 1986 05 15:45 0 0 0 37.52 -122.52 00.00 0 81 920 FEB 7, 1998 04 16:00 0 0 0 37.47 -122.43 37.47 -122.43 81 23 MAR 20, 2005 18 17:35 0 0 1 37.65 -122.42 37.65 -122.42 81

Santa Barbara County Tornadoes

1 JAN 3, 1977 01 0:15 0 0 ? 34.43 -119.82 00.00 0 83 1132 DEC 29, 1991 16 14:00 0 2 0 34.63 -120.30 00.00 0 83 42 MAR 24, 1994 06 19:40 0 0 0 34.43 -119.70 00.00 0 83 521 NOV 29, 2001 02 13:00 0 0 0 34.95 -120.43 34.95 -120.43 83 176 MAR 29, 2006 07 14:55 0 0 0 34.63 -120.45 34.63 -120.45 83 2 JAN 19, 2010 02 12:32 0 0 0 34.42 -119.88 34.43 -119.88 83

Santa Clara County Tornadoes

2 JAN 11, 1951 01 10:25 0 0 2 37.37 -122.12 37.42 -122.03 85 638 DEC 8, 1997 16 16:35 0 0 0 37.33 -121.88 37.33 -121.88 85 919 FEB 6, 1998 03 18:00 0 0 0 37.37 -122.03 37.37 -122.03 85 1003 MAY 5, 1998 15 18:30 0 1 1 37.38 -122.12 37.38 -122.12 85 1002 MAY 5, 1998 16 18:43 0 1 2 37.37 -122.03 37.37 -122.03 85 281 APR 14, 2007 02 18:05 0 0 0 37.00 -121.60 37.00 -121.60 85

Santa Cruz County Tornadoes

88 APR 1, 1965 01 12:30 0 0 1 36.98 -121.80 00.00 0 87 2 FEB 3, 1986 01 15:00 0 0 0 36.97 -121.90 00.00 0 87 1402 DEC 5, 1998 25 22:30 0 0 0 36.98 -122.02 36.98 -122.02 87 573 DEC 20, 2001 06 18:45 0 0 1 36.97 -121.78 36.97 -121.75 87 425184 DEC 22, 2012 00 8:59 0 0 0 36.88 -121.83 36.90 -121.82 87

Siskiyou County Tornadoes

165 MAY 22, 1958 10 20:00 0 0 1 41.92 -121.47 41.93 -121.40 93

Solano County Tornadoes

762 SEP 18, 1989 04 20:40 0 0 0 38.55 -121.75 00.00 0 95 538 MAY 12, 1998 17 17:30 0 0 0 38.20 -122.02 38.20 -122.02 95 418 JAN 11, 2005 04 8:50 0 0 0 38.37 -121.98 38.37 -121.98 95 299796 APR 7, 2011 05 17:52 0 0 0 38.24 -122.12 38.25 -122.12 95

Sonoma County Tornadoes

193 JUN 1, 1958 02 7:55 0 0 2 38.28 -122.98 38.40 -122.75 97 36 FEB 17, 1959 01 6:45 0 0 ? 38.52 -123.25 00.00 0 97 673 NOV 10, 1964 04 3:34 0 0 ? 38.53 -122.80 00.00 0 97 54 FEB 27, 1983 01 7:20 0 0 1 38.45 -122.70 00.00 0 97 1278 DEC 2, 1992 04 19:00 0 0 1 38.40 -122.90 38.40 -122.75 97 1279 DEC 2, 1992 05 19:00 0 0 1 38.40 -122.83 00.00 0 97 1280 DEC 2, 1992 06 19:00 0 0 1 38.55 -122.82 38.58 -122.77 97 797 FEB 22, 1996 03 3:00 0 0 1 38.55 -122.73 38.55 -122.73 97 1085 DEC 23, 1996 22 13:30 0 1 0 38.28 -122.08 38.28 -122.07 97 1400 DEC 5, 1998 23 20:20 0 0 1 38.45 -122.70 38.45 -122.70 97 717 DEC 29, 2004 10 14:10 0 0 0 38.45 -122.70 38.45 -122.70 97 9 JAN 27, 2005 05 21:30 0 0 1 38.62 -123.12 38.62 -123.12 97 290104 MAR 18, 2011 02 11:15 0 0 1 38.45 -122.71 38.45 -122.71 97

Stanislaus County Tornadoes

101 APR 27, 1953 01 15:15 0 0 2 37.65 -121.00 00.00 0 99 48 APR 1, 1958 08 7:00 0 0 1 37.47 -120.78 00.00 0 99 31 MAR 1, 1978 04 16:00 0 0 ? 37.67 -120.93 00.00 0 99 38 MAR 4, 1978 06 16:30 0 0 ? 37.63 -120.83 00.00 0 99 2 JAN 14, 1980 01 15:30 0 1 1 37.48 -121.88 00.00 0 99 1082 APR 1, 1996 06 16:40 0 0 0 37.32 -121.02 37.32 -121.02 99 1083 DEC 12, 1996 19 17:50 0 0 1 37.77 -120.85 37.77 -120.85 99 423 MAR 20, 2005 17 15:20 0 0 0 37.65 -121.00 37.65 -121.00 99 370 APR 14, 2006 08 17:35 0 0 1 37.65 -121.00 37.65 -121.00 99

Sutter County Tornadoes

424 MAR 29, 2005 19 18:15 0 0 0 39.13 -121.62 39.13 -121.62 101 429 MAY 9, 2005 26 16:30 0 0 0 39.10 -121.67 39.10 -121.65 101 299833 JUN 1, 2011 09 19:30 0 0 0 39.18 -121.67 39.25 -121.63 101 411507 OCT 22, 2012 00 16:03 0 0 1 39.06 -121.63 39.09 -121.62 101

Tehama County Tornadoes

40 MAR 5, 1978 08 16:00 0 0 ? 40.05 -122.37 00.00 0 103 41 MAR 5, 1978 09 18:00 0 0 ? 40.33 -122.17 00.00 0 103 42 MAR 5, 1978 10 18:00 0 0 ? 40.00 -122.17 00.00 0 103 217 MAY 9, 1980 07 19:05 0 0 2 40.13 -122.22 00.00 0 103 682 SEP 24, 1986 08 16:15 0 1 2 39.93 -122.05 00.00 0 103 30 MAR 14, 1987 01 20:05 0 0 0 39.92 -122.40 00.00 0 103

Tulare County Tornadoes

7 FEB 15, 1980 03 17:00 0 0 0 36.55 -119.38 00.00 0 107 26 FEB 15, 1986 02 16:50 0 0 0 36.53 -119.38 00.00 0 107 22 MAR 1, 1988 03 20:40 0 0 0 36.55 -119.28 00.00 0 107 40 FEB 28, 1991 02 20:15 0 1 1 36.35 -119.45 00.00 0 107 22 FEB 19, 1993 07 21:15 0 0 0 36.07 -119.32 00.00 0 107 349 MAY 13, 1995 04 13:00 0 0 0 35.98 -119.12 00.00 0 107 995 APR 1, 1996 12 18:30 0 0 0 36.17 -119.32 36.17 -119.32 107 11 JAN 20, 1997 01 17:35 0 0 0 36.32 -119.13 36.32 -119.08 107 225 JLY 7, 2004 02 17:32 0 0 0 36.63 -118.35 36.63 -118.35 107 626 OCT 20, 2004 06 15:05 0 0 0 36.48 -119.32 36.48 -119.32 107 76 JAN 27, 2008 00 14:10 0 0 0 36.33 -119.36 36.34 -119.33 107 420139 NOV 9, 2012 00 14:55 0 0 0 36.11 -119.29 36.11 -119.28 107

Ventura County Tornadoes

942 NOV 9, 1982 14 17:15 0 0 0 34.12 -119.12 00.00 0 111 1283 DEC 7, 1992 09 9:00 0 0 0 34.28 -118.88 00.00 0 111 216 MAY 13, 1998 18 11:05 0 0 0 34.22 -119.08 34.22 -119.08 111 10 JAN 10, 2005 03 8:45 0 0 0 34.23 -119.17 34.23 -119.17 111 75 JAN 24, 2008 00 21:15 0 0 0 34.12 -119.12 00.00 0 111 23 JAN 21, 2010 04 14:25 0 0 0 34.25 -119.20 34.27 -119.18 111

Yolo County Tornadoes

421 FEB 21, 2005 10 15:30 0 0 0 38.58 -121.53 38.58 -121.53 113 422 MAR 20, 2005 16 13:20 0 0 0 38.88 -122.03 38.88 -122.02 113

Yuba County Tornadoes

1295 DEC 17, 1992 18 19:30 0 0 1 39.32 -121.38 39.37 -121.32 115 411518 OCT 22, 2012 00 16:30 0 0 1 39.08 -121.53 39.08 -121.52 115 411519 OCT 22, 2012 00 17:10 0 0 0 39.24 -121.46 39.24 -121.45 115
