Alert archive / California / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in California, 2006
139 severe thunderstorm warnings in 2006. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in 2006. Tap one for its archive.
- Severe Thunderstorm Warnings
- 139
- Busiest month
- March30 severe thunderstorm warnings
- Busiest day
- March 11, 200611 severe thunderstorm warnings
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Pacific Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 2, 11:45 AM PST | Severe Thunderstorm Warning | LOX | Los Angeles | 20 min |
| Jan 2, 12:21 PM PST | Severe Thunderstorm Warning | SGX | Orange, Riverside, San Bernardino | 67 min |
| Jan 2, 2:18 PM PST | Severe Thunderstorm Warning | HNX | Fresno | 42 min |
| Jan 14, 1:34 PM PST | Severe Thunderstorm Warning | HNX | Fresno, Madera | 26 min |
| Jan 14, 2:03 PM PST | Severe Thunderstorm Warning | HNX | Fresno, Madera | 35 min |
| Jan 14, 2:17 PM PST | Severe Thunderstorm Warning | HNX | Mariposa | 43 min |
| Jan 14, 2:52 PM PST | Severe Thunderstorm Warning | HNX | Mariposa | 38 min |
| Jan 14, 3:52 PM PST | Severe Thunderstorm Warning | HNX | Madera | 23 min |
| Feb 19, 1:48 AM PST | Severe Thunderstorm Warning | LOX | Santa Barbara | 57 min |
| Feb 19, 2:32 AM PST | Severe Thunderstorm Warning | LOX | Ventura | 58 min |
| Feb 19, 3:21 AM PST | Severe Thunderstorm Warning | LOX | Ventura | 45 min |
| Feb 27, 8:38 PM PST | Severe Thunderstorm Warning | STO | El Dorado, Nevada, Placer, Sacramento, San Joaquin, Solano and 3 more | 49 min |
| Feb 28, 11:21 AM PST | Severe Thunderstorm Warning | STO | Sacramento | 23 min |
| Feb 28, 3:46 PM PST | Severe Thunderstorm Warning | STO | El Dorado, Sacramento | 29 min |
| Feb 28, 3:47 PM PST | Severe Thunderstorm Warning | STO | San Joaquin | 36 min |
| Mar 3, 2:22 PM PST | Severe Thunderstorm Warning | HNX | Kings, Tulare | 38 min |
| Mar 10, 2:15 PM PST | Severe Thunderstorm Warning | STO | Glenn | 30 min |
| Mar 10, 4:04 PM PST | Severe Thunderstorm Warning | HNX | Fresno, Kings | 26 min |
| Mar 10, 4:27 PM PST | Severe Thunderstorm Warning | HNX | Kings | 33 min |
| Mar 10, 5:05 PM PST | Severe Thunderstorm Warning | HNX | Kings | 40 min |
| Mar 10, 5:09 PM PST | Severe Thunderstorm Warning | HNX | Tulare | 49 min |
| Mar 10, 7:36 PM PST | Severe Thunderstorm Warning | SGX | San Diego | 54 min |
| Mar 10, 10:20 PM PST | Severe Thunderstorm Warning | MTR | Santa Cruz | 25 min |
| Mar 10, 10:52 PM PST | Severe Thunderstorm Warning | MTR | Santa Cruz | 23 min |
| Mar 11, 2:22 AM PST | Severe Thunderstorm Warning | MTR | Monterey | 23 min |
| Mar 11, 10:36 AM PST | Severe Thunderstorm Warning | SGX | San Diego | 84 min |
| Mar 11, 11:50 AM PST | Severe Thunderstorm Warning | SGX | San Diego | 36 min |
| Mar 11, 1:43 PM PST | Severe Thunderstorm Warning | HNX | Kern | 50 min |
| Mar 11, 4:53 PM PST | Severe Thunderstorm Warning | HNX | Kern | 37 min |
| Mar 14, 11:47 AM PST | Severe Thunderstorm Warning | STO | Butte, Yuba | 23 min |
| Mar 14, 12:24 PM PST | Severe Thunderstorm Warning | STO | Sacramento | 36 min |
| Mar 14, 12:44 PM PST | Severe Thunderstorm Warning | STO | Sacramento, San Joaquin | 24 min |
| Mar 14, 12:56 PM PST | Severe Thunderstorm Warning | STO | El Dorado, Sacramento | 34 min |
| Mar 14, 12:56 PM PST | Severe Thunderstorm Warning | STO | San Joaquin | 34 min |
| Mar 14, 1:27 PM PST | Severe Thunderstorm Warning | STO | San Joaquin | 33 min |
| Mar 14, 1:54 PM PST | Severe Thunderstorm Warning | STO | El Dorado | 31 min |
| Mar 14, 2:14 PM PST | Severe Thunderstorm Warning | STO | San Joaquin, Stanislaus | 61 min |
| Mar 14, 3:23 PM PST | Severe Thunderstorm Warning | STO | Nevada, Placer, Yuba | 37 min |
| Mar 14, 3:55 PM PST | Severe Thunderstorm Warning | STO | Nevada, Placer | 35 min |
| Mar 28, 11:49 AM PST | Severe Thunderstorm Warning | STO | El Dorado, Nevada, Placer | 24 min |
| Mar 28, 12:08 PM PST | Severe Thunderstorm Warning | STO | Sacramento, San Joaquin | 31 min |
| Mar 28, 12:55 PM PST | Severe Thunderstorm Warning | STO | El Dorado, Sacramento | 65 min |
| Mar 28, 1:46 PM PST | Severe Thunderstorm Warning | STO | Nevada, Placer, Sierra | 54 min |
| Mar 28, 3:12 PM PST | Severe Thunderstorm Warning | HNX | Mariposa, Merced | 33 min |
| Mar 28, 3:32 PM PST | Severe Thunderstorm Warning | HNX | Madera | 43 min |
| Apr 4, 3:35 PM PDT | Severe Thunderstorm Warning | HNX | Fresno | 25 min |
| Apr 4, 4:05 PM PDT | Severe Thunderstorm Warning | HNX | Fresno, Tulare | 40 min |
| Apr 4, 11:37 PM PDT | Severe Thunderstorm Warning | LOX | Ventura | 83 min |
| Apr 5, 11:59 AM PDT | Severe Thunderstorm Warning | SGX | Riverside, San Bernardino | 61 min |
| Apr 5, 1:22 PM PDT | Severe Thunderstorm Warning | SGX | San Bernardino | 53 min |
| Apr 7, 6:18 PM PDT | Severe Thunderstorm Warning | STO | El Dorado, Nevada, Placer | 42 min |
| Apr 14, 2:23 PM PDT | Severe Thunderstorm Warning | HNX | Tulare | 37 min |
| Apr 14, 3:37 PM PDT | Severe Thunderstorm Warning | STO | Stanislaus | 38 min |
| Apr 14, 3:37 PM PDT | Severe Thunderstorm Warning | STO | Stanislaus | 38 min |
| Apr 14, 4:44 PM PDT | Severe Thunderstorm Warning | STO | Amador, Calaveras | 51 min |
| Apr 16, 3:56 PM PDT | Severe Thunderstorm Warning | STO | Butte | 34 min |
| Apr 16, 3:56 PM PDT | Severe Thunderstorm Warning | STO | Butte, Tehama | 33 min |
| Apr 21, 5:05 PM PDT | Severe Thunderstorm Warning | HNX | Fresno | 25 min |
| Apr 21, 5:29 PM PDT | Severe Thunderstorm Warning | HNX | Fresno | 46 min |
| Apr 21, 6:13 PM PDT | Severe Thunderstorm Warning | HNX | Fresno | 47 min |
| Apr 21, 8:16 PM PDT | Severe Thunderstorm Warning | HNX | Fresno | 44 min |
| Apr 21, 8:16 PM PDT | Severe Thunderstorm Warning | HNX | Fresno | 44 min |
| May 3, 4:17 PM PDT | Severe Thunderstorm Warning | STO | Sierra, Yuba | 43 min |
| May 16, 5:23 PM PDT | Severe Thunderstorm Warning | REV | Plumas | 37 min |
| May 17, 1:11 PM PDT | Severe Thunderstorm Warning | LOX | Santa Barbara | 40 min |
| May 17, 4:57 PM PDT | Severe Thunderstorm Warning | STO | Tuolumne | 48 min |
| May 17, 5:13 PM PDT | Severe Thunderstorm Warning | STO | Calaveras | 47 min |
| May 18, 3:04 PM PDT | Severe Thunderstorm Warning | HNX | Kern | 26 min |
| May 18, 3:26 PM PDT | Severe Thunderstorm Warning | LOX | San Luis Obispo, Santa Barbara | 64 min |
| May 18, 5:02 PM PDT | Severe Thunderstorm Warning | HNX | Kern | 58 min |
| Jun 7, 1:50 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 40 min |
| Jun 25, 4:30 PM PDT | Severe Thunderstorm Warning | LOX | San Luis Obispo, Santa Barbara | 30 min |
| Jun 25, 6:19 PM PDT | Severe Thunderstorm Warning | STO | Plumas, Sierra | 41 min |
| Jun 26, 2:43 PM PDT | Severe Thunderstorm Warning | LOX | Santa Barbara | 47 min |
| Jun 26, 4:09 PM PDT | Severe Thunderstorm Warning | STO | Tuolumne | 29 min |
| Jun 26, 4:22 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 38 min |
| Jun 26, 7:36 PM PDT | Severe Thunderstorm Warning | VEF | Inyo | 39 min |
| Jun 26, 8:14 PM PDT | Severe Thunderstorm Warning | VEF | Inyo | 31 min |
| Jun 27, 4:49 PM PDT | Severe Thunderstorm Warning | REV | Alpine, El Dorado | 26 min |
| Jun 27, 5:05 PM PDT | Severe Thunderstorm Warning | REV | Nevada, Plumas, Sierra | 55 min |
| Jun 27, 6:07 PM PDT | Severe Thunderstorm Warning | HNX | Mariposa | 23 min |
| Jun 27, 6:11 PM PDT | Severe Thunderstorm Warning | REV | Plumas, Sierra | 25 min |
| Jun 27, 7:27 PM PDT | Severe Thunderstorm Warning | REV | Nevada, Sierra | 38 min |
| Jun 28, 1:02 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 58 min |
| Jun 29, 2:20 PM PDT | Severe Thunderstorm Warning | MFR | Siskiyou | 25 min |
| Jul 1, 3:55 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 28 min |
| Jul 2, 8:26 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 49 min |
| Jul 3, 12:59 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 31 min |
| Jul 3, 1:30 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 30 min |
| Jul 4, 3:34 PM PDT | Severe Thunderstorm Warning | REV | Mono | 41 min |
| Jul 4, 4:02 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 25 min |
| Jul 5, 4:21 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 39 min |
| Jul 8, 3:48 PM PDT | Severe Thunderstorm Warning | STO | Plumas | 57 min |
| Jul 8, 4:46 PM PDT | Severe Thunderstorm Warning | STO | Plumas, Tehama | 44 min |
| Jul 9, 6:18 PM PDT | Severe Thunderstorm Warning | VEF | Inyo | 42 min |
| Jul 15, 3:17 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 58 min |
| Jul 20, 12:25 PM PDT | Severe Thunderstorm Warning | LOX | Los Angeles | 42 min |
| Jul 20, 4:23 PM PDT | Severe Thunderstorm Warning | LOX | Los Angeles | 67 min |
| Jul 20, 4:37 PM PDT | Severe Thunderstorm Warning | HNX | Kern | 38 min |
| Jul 21, 3:56 PM PDT | Severe Thunderstorm Warning | LOX | Ventura | 60 min |
| Jul 22, 3:47 PM PDT | Severe Thunderstorm Warning | LOX | San Luis Obispo | 43 min |
| Jul 23, 5:30 PM PDT | Severe Thunderstorm Warning | HNX | Fresno, Kings | 45 min |
| Jul 23, 6:29 PM PDT | Severe Thunderstorm Warning | MFR | Siskiyou | 46 min |
| Jul 25, 4:40 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 35 min |
| Jul 25, 5:15 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 24 min |
| Jul 26, 2:26 PM PDT | Severe Thunderstorm Warning | SGX | Riverside, San Diego | 94 min |
| Jul 26, 3:52 PM PDT | Severe Thunderstorm Warning | SGX | Riverside, San Diego | 83 min |
| Jul 28, 7:22 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 59 min |
| Jul 28, 10:26 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 64 min |
| Aug 6, 3:54 PM PDT | Severe Thunderstorm Warning | MFR | Modoc, Siskiyou | 22 min |
| Aug 6, 5:26 PM PDT | Severe Thunderstorm Warning | MFR | Siskiyou | 64 min |
| Aug 7, 12:59 PM PDT | Severe Thunderstorm Warning | EKA | Trinity | 46 min |
| Aug 8, 5:22 PM PDT | Severe Thunderstorm Warning | PSR | Riverside | 53 min |
| Aug 9, 5:31 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 44 min |
| Aug 9, 7:15 PM PDT | Severe Thunderstorm Warning | PSR | Riverside | 60 min |
| Aug 9, 9:22 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 53 min |
| Aug 23, 1:27 PM PDT | Severe Thunderstorm Warning | PSR | Riverside, San Bernardino | 63 min |
| Aug 23, 1:55 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 80 min |
| Sep 2, 1:56 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 34 min |
| Sep 2, 2:21 PM PDT | Severe Thunderstorm Warning | PSR | Riverside | 54 min |
| Sep 2, 3:42 PM PDT | Severe Thunderstorm Warning | PSR | Riverside | 33 min |
| Sep 2, 4:55 PM PDT | Severe Thunderstorm Warning | PSR | Riverside | 65 min |
| Sep 2, 5:04 PM PDT | Severe Thunderstorm Warning | SGX | Riverside | 56 min |
| Sep 3, 3:15 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 60 min |
| Sep 6, 2:50 PM PDT | Severe Thunderstorm Warning | SGX | Riverside | 55 min |
| Sep 6, 8:42 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 33 min |
| Sep 6, 11:24 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 66 min |
| Sep 6, 11:26 PM PDT | Severe Thunderstorm Warning | PSR | Riverside | 64 min |
| Sep 7, 12:30 AM PDT | Severe Thunderstorm Warning | PSR | Imperial, Riverside | 60 min |
| Sep 8, 1:18 AM PDT | Severe Thunderstorm Warning | PSR | Imperial, Riverside | 57 min |
| Sep 8, 4:49 AM PDT | Severe Thunderstorm Warning | PSR | Imperial | 56 min |
| Sep 8, 5:36 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 26 min |
| Sep 8, 5:47 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 43 min |
| Oct 13, 4:46 PM PDT | Severe Thunderstorm Warning | PSR | Riverside | 59 min |
| Oct 13, 5:06 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 39 min |
| Oct 13, 5:43 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 47 min |
| Dec 16, 7:37 PM PST | Severe Thunderstorm Warning | SGX | San Diego | 23 min |
| Dec 16, 8:20 PM PST | Severe Thunderstorm Warning | SGX | San Diego | 36 min |
| Dec 27, 2:35 AM PST | Severe Thunderstorm Warning | LOX | Los Angeles | 55 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- San Bernardino County20
- Riverside County16
- San Diego County13
- Fresno County12
- El Dorado County8
- Nevada County8
- Sacramento County8
- San Joaquin County7
- Placer County6
- Sierra County6
- Plumas County6
- Imperial County6
- Santa Barbara County5
- Kings County5
- Kern County5
- Los Angeles County4
- Madera County4
- Mariposa County4
- Ventura County4
- Yuba County4
- Tulare County4
- Siskiyou County4
- Butte County3
- Stanislaus County3
- San Luis Obispo County3
- Inyo County3
- Santa Cruz County2
- Calaveras County2
- Tehama County2
- Tuolumne County2
- Orange County1
- Solano County1
- Sutter County1
- Yolo County1
- Glenn County1
- Monterey County1
- Merced County1
- Amador County1
- Alpine County1
- Mono County1
2 more counties
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20052007
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.