Alert archive / California / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in California, 2005
208 severe thunderstorm warnings in 2005. 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 2005. Tap one for its archive.
- Severe Thunderstorm Warnings
- 208
- Busiest month
- August45 severe thunderstorm warnings
- Busiest day
- May 9, 200518 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 9, 5:01 PM PST | Severe Thunderstorm Warning | SGX | Riverside | 44 min |
| Jan 10, 1:57 AM PST | Severe Thunderstorm Warning | LOX | Ventura | 63 min |
| Jan 10, 2:43 AM PST | Severe Thunderstorm Warning | SGX | San Diego | 17 min |
| Jan 11, 4:54 PM PST | Severe Thunderstorm Warning | PSR | Imperial | 39 days |
| Feb 18, 5:06 PM PST | Severe Thunderstorm Warning | HNX | Fresno, Kings | 34 min |
| Feb 18, 11:57 PM PST | Severe Thunderstorm Warning | LOX | Los Angeles | 93 min |
| Feb 19, 1:24 AM PST | Severe Thunderstorm Warning | LOX | Los Angeles | 96 min |
| Feb 19, 2:54 AM PST | Severe Thunderstorm Warning | LOX | Los Angeles | 96 min |
| Feb 19, 4:23 AM PST | Severe Thunderstorm Warning | LOX | Los Angeles | 97 min |
| Feb 19, 6:50 AM PST | Severe Thunderstorm Warning | SGX | Orange | 55 min |
| Feb 19, 9:28 AM PST | Severe Thunderstorm Warning | SGX | Riverside, San Diego | 92 min |
| Feb 21, 6:05 AM PST | Severe Thunderstorm Warning | LOX | Los Angeles | 55 min |
| Feb 21, 2:13 PM PST | Severe Thunderstorm Warning | HNX | Fresno, Madera | 32 min |
| Feb 21, 2:32 PM PST | Severe Thunderstorm Warning | STO | Colusa, Sutter, Yolo | 64 min |
| Feb 21, 2:44 PM PST | Severe Thunderstorm Warning | STO | Nevada, Yuba | 46 min |
| Feb 21, 2:45 PM PST | Severe Thunderstorm Warning | HNX | Madera | 30 min |
| Feb 21, 3:10 PM PST | Severe Thunderstorm Warning | LOX | Los Angeles | 38 min |
| Feb 21, 3:13 PM PST | Severe Thunderstorm Warning | HNX | Fresno, Madera, Merced | 47 min |
| Feb 21, 3:15 PM PST | Severe Thunderstorm Warning | STO | Colusa, Sutter, Yolo | 45 min |
| Feb 21, 3:56 PM PST | Severe Thunderstorm Warning | HNX | Fresno, Kings, Madera, Mariposa, Merced, Tulare | 49 min |
| Feb 21, 4:08 PM PST | Severe Thunderstorm Warning | STO | Solano | 44 min |
| Feb 21, 4:17 PM PST | Severe Thunderstorm Warning | MTR | Napa, Sonoma | 43 min |
| Feb 21, 4:43 PM PST | Severe Thunderstorm Warning | HNX | Fresno, Madera | 32 min |
| Feb 22, 4:07 AM PST | Severe Thunderstorm Warning | LOX | Los Angeles | 59 min |
| Feb 22, 4:48 AM PST | Severe Thunderstorm Warning | LOX | Santa Barbara | 62 min |
| Feb 22, 5:42 PM PST | Severe Thunderstorm Warning | HNX | Tulare | 48 min |
| Feb 22, 6:34 PM PST | Severe Thunderstorm Warning | HNX | Kings, Tulare | 41 min |
| Feb 22, 7:14 PM PST | Severe Thunderstorm Warning | HNX | Kings | 46 min |
| Feb 23, 1:27 PM PST | Severe Thunderstorm Warning | MTR | Monterey | 33 min |
| Feb 23, 2:45 PM PST | Severe Thunderstorm Warning | LOX | San Luis Obispo | 70 min |
| Feb 23, 3:17 PM PST | Severe Thunderstorm Warning | LOX | San Luis Obispo | 58 min |
| Feb 23, 3:49 PM PST | Severe Thunderstorm Warning | MTR | San Benito | 31 min |
| Feb 23, 4:08 PM PST | Severe Thunderstorm Warning | LOX | San Luis Obispo | 70 min |
| Feb 24, 3:30 PM PST | Severe Thunderstorm Warning | LOX | Santa Barbara | 60 min |
| Feb 24, 3:51 PM PST | Severe Thunderstorm Warning | LOX | San Luis Obispo | 71 min |
| Feb 24, 5:07 PM PST | Severe Thunderstorm Warning | HNX | Kern | 39 min |
| Feb 24, 7:19 PM PST | Severe Thunderstorm Warning | SGX | San Diego | 56 min |
| Feb 25, 2:40 PM PST | Severe Thunderstorm Warning | LOX | Los Angeles | 50 min |
| Feb 25, 3:35 PM PST | Severe Thunderstorm Warning | LOX | Los Angeles | 57 min |
| Mar 3, 4:10 PM PST | Severe Thunderstorm Warning | LOX | San Luis Obispo | 25 hr |
| Mar 4, 2:47 PM PST | Severe Thunderstorm Warning | HNX | Kern | 28 min |
| Mar 4, 3:12 PM PST | Severe Thunderstorm Warning | HNX | Kern | 33 min |
| Mar 4, 3:44 PM PST | Severe Thunderstorm Warning | HNX | Kern | 31 min |
| Mar 4, 3:46 PM PST | Severe Thunderstorm Warning | VEF | San Bernardino | 139 days |
| Mar 4, 4:02 PM PST | Severe Thunderstorm Warning | HNX | Kern | 86 min |
| Mar 4, 4:13 PM PST | Severe Thunderstorm Warning | HNX | Kern | 94 min |
| Mar 4, 5:03 PM PST | Severe Thunderstorm Warning | VEF | San Bernardino | 139 days |
| Mar 4, 5:20 PM PST | Severe Thunderstorm Warning | LOX | San Luis Obispo | 2 hr |
| Mar 19, 1:56 PM PST | Severe Thunderstorm Warning | STO | Shasta | 50 min |
| Mar 19, 2:55 PM PST | Severe Thunderstorm Warning | HNX | Fresno | 35 min |
| Mar 20, 2:59 AM PST | Severe Thunderstorm Warning | STO | Sacramento | 31 min |
| Mar 20, 3:47 AM PST | Severe Thunderstorm Warning | STO | Sacramento, Solano | 28 min |
| Mar 20, 1:38 PM PST | Severe Thunderstorm Warning | STO | El Dorado, Placer, Sacramento | 52 min |
| Mar 23, 1:46 PM PST | Severe Thunderstorm Warning | STO | Nevada, Yuba | 74 min |
| Mar 23, 3:53 PM PST | Severe Thunderstorm Warning | STO | Tehama | 37 min |
| Mar 23, 4:31 PM PST | Severe Thunderstorm Warning | STO | Tehama | 32 min |
| Mar 23, 5:24 PM PST | Severe Thunderstorm Warning | STO | Tehama | 36 min |
| Mar 23, 5:37 PM PST | Severe Thunderstorm Warning | STO | Glenn | 23 min |
| Mar 23, 5:59 PM PST | Severe Thunderstorm Warning | STO | Tehama | 38 min |
| Apr 8, 2:15 PM PDT | Severe Thunderstorm Warning | STO | Butte, Glenn | 31 min |
| Apr 8, 2:40 PM PDT | Severe Thunderstorm Warning | STO | Sutter, Yuba | 35 min |
| Apr 8, 3:25 PM PDT | Severe Thunderstorm Warning | STO | Butte | 50 min |
| Apr 8, 3:51 PM PDT | Severe Thunderstorm Warning | STO | San Joaquin | 39 min |
| Apr 8, 4:55 PM PDT | Severe Thunderstorm Warning | STO | El Dorado, Sacramento | 35 min |
| Apr 23, 4:12 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 48 min |
| Apr 27, 1:11 PM PDT | Severe Thunderstorm Warning | STO | Placer | 33 min |
| Apr 27, 1:30 PM PDT | Severe Thunderstorm Warning | STO | Nevada, Sierra | 27 min |
| Apr 27, 2:05 PM PDT | Severe Thunderstorm Warning | STO | Placer | 25 min |
| Apr 28, 1:24 PM PDT | Severe Thunderstorm Warning | HNX | Kings | 36 min |
| Apr 28, 1:55 PM PDT | Severe Thunderstorm Warning | HNX | Fresno, Kings | 35 min |
| Apr 28, 2:22 PM PDT | Severe Thunderstorm Warning | HNX | Tulare | 33 min |
| Apr 28, 2:44 PM PDT | Severe Thunderstorm Warning | HNX | Fresno | 31 min |
| Apr 28, 3:07 PM PDT | Severe Thunderstorm Warning | HNX | Fresno, Madera | 37 min |
| May 9, 12:21 PM PDT | Severe Thunderstorm Warning | STO | Shasta, Tehama | 54 min |
| May 9, 1:02 PM PDT | Severe Thunderstorm Warning | STO | Sacramento | 43 min |
| May 9, 1:17 PM PDT | Severe Thunderstorm Warning | STO | Shasta | 28 min |
| May 9, 1:27 PM PDT | Severe Thunderstorm Warning | STO | Placer, Sacramento, Sutter, Yolo | 48 min |
| May 9, 1:27 PM PDT | Severe Thunderstorm Warning | STO | Placer, Sacramento, Sutter, Yolo | 48 min |
| May 9, 1:40 PM PDT | Severe Thunderstorm Warning | STO | Shasta | 50 min |
| May 9, 1:46 PM PDT | Severe Thunderstorm Warning | STO | Sacramento | 44 min |
| May 9, 2:07 PM PDT | Severe Thunderstorm Warning | STO | Stanislaus | 15 min |
| May 9, 2:32 PM PDT | Severe Thunderstorm Warning | STO | Shasta | 25 min |
| May 9, 2:43 PM PDT | Severe Thunderstorm Warning | STO | Sacramento | 44 min |
| May 9, 2:51 PM PDT | Severe Thunderstorm Warning | STO | Butte | 44 min |
| May 9, 3:07 PM PDT | Severe Thunderstorm Warning | STO | San Joaquin | 23 min |
| May 9, 3:43 PM PDT | Severe Thunderstorm Warning | STO | Sacramento | 28 min |
| May 9, 3:43 PM PDT | Severe Thunderstorm Warning | STO | Sacramento | 32 min |
| May 9, 3:46 PM PDT | Severe Thunderstorm Warning | STO | Calaveras | 44 min |
| May 9, 3:57 PM PDT | Severe Thunderstorm Warning | STO | Shasta, Tehama | 32 min |
| May 9, 4:22 PM PDT | Severe Thunderstorm Warning | STO | Calaveras | 23 min |
| May 9, 4:36 PM PDT | Severe Thunderstorm Warning | STO | El Dorado, Sacramento | 24 min |
| May 9, 5:20 PM PDT | Severe Thunderstorm Warning | STO | Tehama | 40 min |
| May 27, 6:33 PM PDT | Severe Thunderstorm Warning | MFR | Siskiyou | 57 min |
| Jun 10, 10:47 PM PDT | Severe Thunderstorm Warning | STO | Butte, Glenn | 29 min |
| Jun 11, 1:57 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 41 days |
| Jun 11, 3:26 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 41 days |
| Jun 11, 4:13 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 41 days |
| Jun 24, 4:15 PM PDT | Severe Thunderstorm Warning | REV | Lassen | 51 min |
| Jul 21, 2:33 PM PDT | Severe Thunderstorm Warning | SGX | San Bernardino | 52 min |
| Jul 22, 12:46 PM PDT | Severe Thunderstorm Warning | SGX | Riverside, San Diego | 59 min |
| Jul 22, 12:46 PM PDT | Severe Thunderstorm Warning | SGX | Riverside, San Diego | 57 min |
| Jul 22, 2:02 PM PDT | Severe Thunderstorm Warning | PSR | Riverside, San Bernardino | 28 min |
| Jul 22, 2:29 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 61 min |
| Jul 22, 2:37 PM PDT | Severe Thunderstorm Warning | PSR | Riverside, San Bernardino | 23 min |
| Jul 22, 3:23 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 67 min |
| Jul 22, 4:41 PM PDT | Severe Thunderstorm Warning | PSR | Riverside | 35 min |
| Jul 22, 4:46 PM PDT | Severe Thunderstorm Warning | SGX | San Bernardino | 25 min |
| Jul 23, 2:51 PM PDT | Severe Thunderstorm Warning | SGX | Riverside | 46 min |
| Jul 23, 3:07 PM PDT | Severe Thunderstorm Warning | LOX | Los Angeles | 40 min |
| Jul 24, 2:09 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 22 min |
| Jul 24, 2:51 PM PDT | Severe Thunderstorm Warning | SGX | Riverside | 54 min |
| Jul 24, 4:33 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 61 min |
| Jul 24, 5:04 PM PDT | Severe Thunderstorm Warning | HNX | Kern | 26 min |
| Jul 24, 5:18 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 49 min |
| Jul 24, 5:20 PM PDT | Severe Thunderstorm Warning | HNX | Kern | 40 min |
| Jul 26, 2:03 PM PDT | Severe Thunderstorm Warning | VEF | Inyo | 42 min |
| Jul 26, 4:57 PM PDT | Severe Thunderstorm Warning | PSR | Riverside, San Bernardino | 63 min |
| Jul 28, 1:47 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 91 min |
| Jul 28, 2:46 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 32 min |
| Jul 29, 11:45 AM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 30 min |
| Jul 29, 1:39 PM PDT | Severe Thunderstorm Warning | SGX | Riverside, San Diego | 81 min |
| Jul 29, 2:47 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 43 min |
| Jul 29, 3:18 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 45 min |
| Jul 29, 3:52 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 47 min |
| Jul 29, 4:16 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 30 min |
| Jul 29, 8:55 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 50 min |
| Jul 29, 9:56 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 52 min |
| Jul 30, 12:19 PM PDT | Severe Thunderstorm Warning | SGX | Riverside, San Diego | 26 min |
| Jul 30, 12:50 PM PDT | Severe Thunderstorm Warning | SGX | Riverside, San Bernardino | 85 min |
| Jul 30, 1:06 PM PDT | Severe Thunderstorm Warning | PSR | Riverside, San Bernardino | 39 min |
| Jul 30, 1:14 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 46 min |
| Jul 30, 2:04 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 42 min |
| Jul 30, 2:51 PM PDT | Severe Thunderstorm Warning | SGX | San Bernardino | 29 min |
| Jul 30, 3:05 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 40 min |
| Jul 30, 3:11 PM PDT | Severe Thunderstorm Warning | SGX | Riverside | 34 min |
| Jul 30, 3:57 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 48 min |
| Jul 30, 6:38 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 40 min |
| Jul 31, 12:19 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 41 min |
| Jul 31, 12:51 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 41 min |
| Jul 31, 12:58 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 33 min |
| Jul 31, 1:44 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 46 min |
| Jul 31, 4:32 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 82 min |
| Aug 1, 1:02 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 71 min |
| Aug 1, 2:02 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 27 min |
| Aug 2, 3:59 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 61 min |
| Aug 2, 4:28 PM PDT | Severe Thunderstorm Warning | SGX | San Bernardino | 54 min |
| Aug 2, 5:04 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 56 min |
| Aug 3, 1:07 AM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 40 min |
| Aug 3, 2:16 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 44 min |
| Aug 3, 5:21 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 39 min |
| Aug 3, 6:16 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 59 min |
| Aug 4, 12:25 PM PDT | Severe Thunderstorm Warning | SGX | Riverside | 56 min |
| Aug 4, 3:26 PM PDT | Severe Thunderstorm Warning | PSR | Riverside, San Bernardino | 64 min |
| Aug 4, 4:37 PM PDT | Severe Thunderstorm Warning | SGX | Riverside | 35 min |
| Aug 4, 5:05 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 55 min |
| Aug 5, 3:17 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 58 min |
| Aug 6, 12:42 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 53 min |
| Aug 6, 2:15 PM PDT | Severe Thunderstorm Warning | SGX | Riverside | 63 min |
| Aug 7, 12:08 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 45 min |
| Aug 7, 12:41 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 49 min |
| Aug 7, 1:28 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 54 min |
| Aug 7, 2:36 PM PDT | Severe Thunderstorm Warning | PSR | Riverside | 39 min |
| Aug 7, 8:13 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 49 min |
| Aug 7, 8:46 PM PDT | Severe Thunderstorm Warning | PSR | Riverside | 59 min |
| Aug 7, 8:46 PM PDT | Severe Thunderstorm Warning | PSR | Riverside | 59 min |
| Aug 8, 3:22 AM PDT | Severe Thunderstorm Warning | SGX | Riverside | 41 min |
| Aug 8, 2:24 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 33 min |
| Aug 9, 12:53 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 52 min |
| Aug 9, 5:04 PM PDT | Severe Thunderstorm Warning | SGX | Riverside | 31 min |
| Aug 9, 6:02 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 66 min |
| Aug 14, 2:07 PM PDT | Severe Thunderstorm Warning | SGX | San Bernardino | 32 min |
| Aug 14, 4:09 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 24 min |
| Aug 14, 6:47 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 43 min |
| Aug 14, 9:15 PM PDT | Severe Thunderstorm Warning | LOX | Los Angeles | 44 min |
| Aug 15, 12:33 AM PDT | Severe Thunderstorm Warning | LOX | Los Angeles | 59 min |
| Aug 15, 2:27 AM PDT | Severe Thunderstorm Warning | LOX | Los Angeles | 66 min |
| Aug 15, 5:19 AM PDT | Severe Thunderstorm Warning | SGX | San Bernardino | 26 min |
| Aug 15, 5:49 AM PDT | Severe Thunderstorm Warning | SGX | San Bernardino | 26 min |
| Aug 15, 2:59 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 46 min |
| Aug 15, 3:44 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 46 min |
| Aug 15, 4:35 PM PDT | Severe Thunderstorm Warning | HNX | Kern | 25 min |
| Aug 15, 5:03 PM PDT | Severe Thunderstorm Warning | HNX | Kern | 27 min |
| Aug 15, 5:55 PM PDT | Severe Thunderstorm Warning | HNX | Kern | 35 min |
| Aug 15, 6:30 PM PDT | Severe Thunderstorm Warning | HNX | Kern | 30 min |
| Aug 15, 6:53 PM PDT | Severe Thunderstorm Warning | HNX | Kern | 52 min |
| Aug 15, 6:59 PM PDT | Severe Thunderstorm Warning | HNX | Kern | 39 min |
| Aug 15, 7:46 PM PDT | Severe Thunderstorm Warning | HNX | Kern | 29 min |
| Sep 20, 4:02 PM PDT | Severe Thunderstorm Warning | HNX | Fresno | 43 min |
| Sep 20, 6:22 PM PDT | Severe Thunderstorm Warning | HNX | Fresno, Kings | 38 min |
| Sep 26, 6:11 PM PDT | Severe Thunderstorm Warning | STO | Tuolumne | 22 min |
| Sep 26, 6:48 PM PDT | Severe Thunderstorm Warning | STO | Butte, Yuba | 31 min |
| Sep 26, 7:16 PM PDT | Severe Thunderstorm Warning | STO | Butte | 23 min |
| Oct 16, 2:38 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 37 min |
| Oct 17, 1:21 PM PDT | Severe Thunderstorm Warning | SGX | Orange | 47 min |
| Oct 17, 1:27 PM PDT | Severe Thunderstorm Warning | LOX | Los Angeles | 63 min |
| Oct 17, 2:05 PM PDT | Severe Thunderstorm Warning | LOX | Los Angeles | 40 min |
| Oct 17, 9:28 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 26 min |
| Oct 18, 3:18 AM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 33 min |
| Oct 18, 3:31 AM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 44 min |
| Dec 18, 9:34 AM PST | Severe Thunderstorm Warning | MTR | Napa | 26 min |
| Dec 18, 10:18 AM PST | Severe Thunderstorm Warning | MTR | Marin, City and County of San Francisco, San Mateo | 27 min |
| Dec 20, 3:39 PM PST | Severe Thunderstorm Warning | STO | Placer, Sacramento | 31 min |
| Dec 20, 4:04 PM PST | Severe Thunderstorm Warning | STO | El Dorado, Placer, Sacramento | 26 min |
| Dec 20, 4:26 PM PST | Severe Thunderstorm Warning | STO | El Dorado, Placer, Sacramento | 22 min |
| Dec 28, 1:15 PM PST | Severe Thunderstorm Warning | STO | Shasta, Tehama | 45 min |
| Dec 28, 2:03 PM PST | Severe Thunderstorm Warning | STO | Shasta, Tehama | 42 min |
| Dec 31, 10:15 AM PST | Severe Thunderstorm Warning | MTR | Alameda, Contra Costa | 30 min |
| Dec 31, 10:26 AM PST | Severe Thunderstorm Warning | STO | Sacramento, San Joaquin | 49 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- San Bernardino County45
- Riverside County24
- San Diego County22
- Sacramento County16
- Los Angeles County15
- Kern County15
- Fresno County11
- Imperial County10
- Tehama County9
- Shasta County8
- Placer County8
- Kings County7
- Madera County6
- San Luis Obispo County6
- Butte County6
- Sutter County5
- El Dorado County5
- Yolo County4
- Yuba County4
- Tulare County4
- Nevada County3
- Glenn County3
- San Joaquin County3
- Orange County2
- Colusa County2
- Merced County2
- Solano County2
- Napa County2
- Santa Barbara County2
- Calaveras County2
- Ventura County1
- Mariposa County1
- Sonoma County1
- Monterey County1
- San Benito County1
- Sierra County1
- Stanislaus County1
- Siskiyou County1
- Lassen County1
- Inyo County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20042006
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.