Alert archive / California / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in California, 2003
104 severe thunderstorm warnings in 2003. 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 2003. Tap one for its archive.
- Severe Thunderstorm Warnings
- 104
- Busiest month
- July26 severe thunderstorm warnings
- Busiest day
- September 4, 200312 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 |
|---|---|---|---|---|
| Mar 14, 2:20 AM PST | Severe Thunderstorm Warning | STO | Butte, Sutter | 30 min |
| Mar 14, 2:54 AM PST | Severe Thunderstorm Warning | STO | Butte | 21 min |
| Mar 15, 4:47 AM PST | Severe Thunderstorm Warning | STO | Sacramento, Solano, Sutter, Yolo, Yuba | 43 min |
| Mar 15, 1:06 PM PST | Severe Thunderstorm Warning | HNX | Tulare | 24 min |
| Mar 15, 1:18 PM PST | Severe Thunderstorm Warning | STO | Tehama | 27 min |
| Mar 16, 1:48 PM PST | Severe Thunderstorm Warning | STO | Glenn, Tehama | 42 min |
| Mar 16, 2:12 PM PST | Severe Thunderstorm Warning | STO | Solano | 43 min |
| Mar 16, 2:44 PM PST | Severe Thunderstorm Warning | STO | Colusa, Lake | 46 min |
| Mar 16, 3:26 PM PST | Severe Thunderstorm Warning | MTR | Napa | 34 min |
| Apr 28, 4:39 PM PDT | Severe Thunderstorm Warning | STO | Sacramento | 36 min |
| Apr 29, 7:00 PM PDT | Severe Thunderstorm Warning | STO | Tehama | 30 min |
| Apr 29, 7:33 PM PDT | Severe Thunderstorm Warning | STO | Tehama | 27 min |
| Apr 29, 7:43 PM PDT | Severe Thunderstorm Warning | STO | Sacramento | 47 min |
| May 3, 5:04 PM PDT | Severe Thunderstorm Warning | STO | Tehama | 41 min |
| May 3, 5:45 PM PDT | Severe Thunderstorm Warning | STO | Tehama | 45 min |
| May 7, 6:57 PM PDT | Severe Thunderstorm Warning | STO | Tehama | 43 min |
| May 7, 7:42 PM PDT | Severe Thunderstorm Warning | STO | Tehama | 33 min |
| May 7, 7:44 PM PDT | Severe Thunderstorm Warning | STO | Tehama | 31 min |
| May 8, 6:33 PM PDT | Severe Thunderstorm Warning | STO | Sacramento, Yolo | 27 min |
| May 29, 4:49 PM PDT | Severe Thunderstorm Warning | EKA | Trinity | 41 min |
| May 29, 5:18 PM PDT | Severe Thunderstorm Warning | EKA | Humboldt, Trinity | 42 min |
| May 29, 7:02 PM PDT | Severe Thunderstorm Warning | EKA | Trinity | 28 min |
| Jun 17, 2:59 PM PDT | Severe Thunderstorm Warning | STO | Alpine, Calaveras, Tuolumne | 61 min |
| Jul 22, 2:26 PM PDT | Severe Thunderstorm Warning | STO | Tuolumne | 19 min |
| Jul 22, 2:33 PM PDT | Severe Thunderstorm Warning | STO | Tuolumne | 12 min |
| Jul 22, 2:45 PM PDT | Severe Thunderstorm Warning | STO | Tuolumne | 30 min |
| Jul 22, 3:35 PM PDT | Severe Thunderstorm Warning | STO | Tuolumne | 25 min |
| Jul 22, 3:49 PM PDT | Severe Thunderstorm Warning | REV | Sierra | 26 min |
| Jul 22, 4:23 PM PDT | Severe Thunderstorm Warning | REV | Plumas | 37 min |
| Jul 22, 5:26 PM PDT | Severe Thunderstorm Warning | REV | Plumas, Sierra | 34 min |
| Jul 23, 2:39 PM PDT | Severe Thunderstorm Warning | REV | Nevada | 21 min |
| Jul 23, 2:56 PM PDT | Severe Thunderstorm Warning | REV | Nevada | 34 min |
| Jul 23, 3:07 PM PDT | Severe Thunderstorm Warning | REV | Lassen | 33 min |
| Jul 23, 3:20 PM PDT | Severe Thunderstorm Warning | REV | Placer | 25 min |
| Jul 23, 4:23 PM PDT | Severe Thunderstorm Warning | MFR | Modoc, Siskiyou | 22 min |
| Jul 23, 4:39 PM PDT | Severe Thunderstorm Warning | REV | Lassen | 26 min |
| Jul 23, 4:59 PM PDT | Severe Thunderstorm Warning | REV | Lassen | 31 min |
| Jul 23, 5:34 PM PDT | Severe Thunderstorm Warning | MFR | Siskiyou | 56 min |
| Jul 29, 3:18 PM PDT | Severe Thunderstorm Warning | STO | Tuolumne | 57 min |
| Jul 29, 4:36 PM PDT | Severe Thunderstorm Warning | LOX | Los Angeles | 39 min |
| Jul 29, 5:36 PM PDT | Severe Thunderstorm Warning | LOX | Los Angeles | 39 min |
| Jul 30, 2:54 PM PDT | Severe Thunderstorm Warning | STO | Plumas | 46 min |
| Jul 30, 3:56 PM PDT | Severe Thunderstorm Warning | STO | Plumas | 49 min |
| Jul 31, 1:53 PM PDT | Severe Thunderstorm Warning | REV | El Dorado, Placer | 22 min |
| Jul 31, 2:59 PM PDT | Severe Thunderstorm Warning | REV | Nevada, Placer, Sierra | 16 min |
| Jul 31, 3:12 PM PDT | Severe Thunderstorm Warning | REV | Nevada, Sierra | 18 min |
| Jul 31, 3:27 PM PDT | Severe Thunderstorm Warning | REV | Nevada, Sierra | 33 min |
| Jul 31, 4:00 PM PDT | Severe Thunderstorm Warning | HNX | Kern | 30 min |
| Jul 31, 4:00 PM PDT | Severe Thunderstorm Warning | REV | Plumas, Sierra | 25 min |
| Aug 4, 2:52 PM PDT | Severe Thunderstorm Warning | EKA | Humboldt, Trinity | 23 min |
| Aug 4, 3:34 PM PDT | Severe Thunderstorm Warning | EKA | Humboldt, Trinity | 41 min |
| Aug 4, 4:14 PM PDT | Severe Thunderstorm Warning | EKA | Humboldt, Trinity | 31 min |
| Aug 4, 5:03 PM PDT | Severe Thunderstorm Warning | EKA | Humboldt, Trinity | 27 min |
| Aug 4, 9:38 PM PDT | Severe Thunderstorm Warning | EKA | Humboldt | 37 min |
| Aug 5, 12:07 AM PDT | Severe Thunderstorm Warning | EKA | Humboldt | 23 min |
| Aug 12, 5:39 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 36 min |
| Aug 19, 4:26 PM PDT | Severe Thunderstorm Warning | VEF | Inyo, San Bernardino | 49 min |
| Aug 20, 3:09 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 51 min |
| Aug 20, 3:21 PM PDT | Severe Thunderstorm Warning | PSR | Riverside | 54 min |
| Aug 20, 4:24 PM PDT | Severe Thunderstorm Warning | PSR | Riverside | 51 min |
| Aug 20, 5:23 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 52 min |
| Aug 20, 9:22 PM PDT | Severe Thunderstorm Warning | HNX | Tulare | 28 min |
| Aug 24, 1:32 AM PDT | Severe Thunderstorm Warning | PSR | Imperial | 43 min |
| Aug 24, 1:14 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 106 min |
| Aug 24, 2:22 PM PDT | Severe Thunderstorm Warning | SGX | Riverside | 98 min |
| Aug 24, 2:39 PM PDT | Severe Thunderstorm Warning | SGX | Riverside | 81 min |
| Aug 25, 12:48 PM PDT | Severe Thunderstorm Warning | SGX | San Bernardino | 102 min |
| Aug 25, 1:50 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 100 min |
| Aug 25, 3:57 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 63 min |
| Aug 25, 4:52 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 38 min |
| Aug 26, 3:15 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 60 min |
| Aug 26, 4:06 PM PDT | Severe Thunderstorm Warning | PSR | Riverside | 54 min |
| Aug 27, 4:54 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 66 min |
| Sep 2, 2:27 PM PDT | Severe Thunderstorm Warning | PSR | Riverside, San Bernardino | 63 min |
| Sep 2, 5:33 PM PDT | Severe Thunderstorm Warning | HNX | Kern | 42 min |
| Sep 3, 3:53 PM PDT | Severe Thunderstorm Warning | HNX | Fresno | 22 min |
| Sep 3, 4:20 PM PDT | Severe Thunderstorm Warning | STO | El Dorado, Placer | 40 min |
| Sep 3, 5:49 PM PDT | Severe Thunderstorm Warning | HNX | Kern | 26 min |
| Sep 4, 12:40 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 50 min |
| Sep 4, 1:49 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 71 min |
| Sep 4, 1:58 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 62 min |
| Sep 4, 2:07 PM PDT | Severe Thunderstorm Warning | SGX | San Bernardino | 53 min |
| Sep 4, 3:01 PM PDT | Severe Thunderstorm Warning | REV | Lassen, Plumas | 29 min |
| Sep 4, 3:22 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 23 min |
| Sep 4, 3:29 PM PDT | Severe Thunderstorm Warning | EKA | Trinity | 31 min |
| Sep 4, 3:46 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 29 min |
| Sep 4, 3:59 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 61 min |
| Sep 4, 4:15 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 45 min |
| Sep 4, 4:38 PM PDT | Severe Thunderstorm Warning | REV | Nevada, Sierra | 37 min |
| Sep 4, 5:00 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 60 min |
| Sep 4, 5:06 PM PDT | Severe Thunderstorm Warning | EKA | Trinity | 24 min |
| Sep 4, 5:19 PM PDT | Severe Thunderstorm Warning | REV | Plumas | 26 min |
| Sep 4, 5:30 PM PDT | Severe Thunderstorm Warning | EKA | Trinity | 45 min |
| Sep 4, 5:31 PM PDT | Severe Thunderstorm Warning | PSR | Riverside | 59 min |
| Sep 4, 6:48 PM PDT | Severe Thunderstorm Warning | PSR | Riverside | 57 min |
| Sep 4, 8:20 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 55 min |
| Sep 4, 9:03 PM PDT | Severe Thunderstorm Warning | PSR | Riverside | 57 min |
| Nov 9, 6:20 AM PST | Severe Thunderstorm Warning | STO | Butte, Yuba | 25 min |
| Nov 9, 1:11 PM PST | Severe Thunderstorm Warning | STO | Sacramento, Solano, Yolo | 49 min |
| Nov 9, 1:21 PM PST | Severe Thunderstorm Warning | STO | Glenn | 39 min |
| Nov 9, 1:50 PM PST | Severe Thunderstorm Warning | STO | Butte, Glenn, Tehama | 55 min |
| Nov 9, 2:02 PM PST | Severe Thunderstorm Warning | STO | Sacramento, Yolo | 43 min |
| Nov 9, 2:42 PM PST | Severe Thunderstorm Warning | STO | Sacramento, San Joaquin | 48 min |
| Nov 9, 2:48 PM PST | Severe Thunderstorm Warning | STO | Butte, Tehama | 32 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Tehama County11
- Trinity County10
- San Bernardino County10
- Riverside County9
- San Diego County8
- Sacramento County7
- Humboldt County7
- Sierra County7
- Plumas County7
- Tuolumne County6
- Nevada County6
- Butte County5
- Imperial County5
- Yolo County4
- Lassen County4
- Placer County4
- Solano County3
- Glenn County3
- Kern County3
- Sutter County2
- Yuba County2
- Tulare County2
- Siskiyou County2
- Los Angeles County2
- El Dorado County2
- Colusa County1
- Lake County1
- Napa County1
- Alpine County1
- Calaveras County1
- Modoc County1
- Inyo County1
- Fresno County1
- San Joaquin County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20022004
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. Rebuilt daily.