Alert archive / California / Special Weather Statements
Special Weather Statements in California, 2021
265 special weather statements in 2021. 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 special weather statements reaches back to 2006.
Special Weather Statements by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Special Weather Statements
- 265
- Busiest month
- July72 special weather statements
- Busiest day
- March 10, 202118 special weather statements
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 4, 1:30 PM PST | Special Weather Statement | STO | Tehama | 45 min |
| Jan 4, 1:34 PM PST | Special Weather Statement | STO | Shasta | 41 min |
| Jan 4, 2:28 PM PST | Special Weather Statement | STO | Tehama | 47 min |
| Jan 23, 4:42 PM PST | Special Weather Statement | PSR | Imperial | 48 min |
| Jan 29, 12:21 PM PST | Special Weather Statement | SGX | San Diego | 39 min |
| Jan 29, 2:12 PM PST | Special Weather Statement | SGX | San Diego | 33 min |
| Feb 13, 4:53 AM PST | Special Weather Statement | STO | Tehama | 37 min |
| Mar 9, 2:44 PM PST | Special Weather Statement | STO | Sacramento | 61 min |
| Mar 9, 3:36 PM PST | Special Weather Statement | STO | San Joaquin | 54 min |
| Mar 9, 3:48 PM PST | Special Weather Statement | STO | Tehama | 42 min |
| Mar 9, 4:36 PM PST | Special Weather Statement | STO | Tehama | 39 min |
| Mar 9, 4:53 PM PST | Special Weather Statement | STO | Shasta | 37 min |
| Mar 10, 12:26 AM PST | Special Weather Statement | LOX | San Luis Obispo | 64 min |
| Mar 10, 12:37 AM PST | Special Weather Statement | LOX | San Luis Obispo | 53 min |
| Mar 10, 11:17 AM PST | Special Weather Statement | HNX | Merced | 43 min |
| Mar 10, 11:36 AM PST | Special Weather Statement | MTR | Alameda | 39 min |
| Mar 10, 12:13 PM PST | Special Weather Statement | HNX | Fresno | 47 min |
| Mar 10, 12:40 PM PST | Special Weather Statement | SGX | San Diego | 50 min |
| Mar 10, 12:55 PM PST | Special Weather Statement | HNX | Merced | 35 min |
| Mar 10, 1:15 PM PST | Special Weather Statement | STO | Yolo | 45 min |
| Mar 10, 1:38 PM PST | Special Weather Statement | HNX | Fresno | 37 min |
| Mar 10, 2:05 PM PST | Special Weather Statement | STO | Yolo | 55 min |
| Mar 10, 2:13 PM PST | Special Weather Statement | STO | Glenn | 32 min |
| Mar 10, 2:15 PM PST | Special Weather Statement | HNX | Madera | 45 min |
| Mar 10, 2:21 PM PST | Special Weather Statement | HNX | Fresno | 39 min |
| Mar 10, 2:43 PM PST | Special Weather Statement | HNX | Fresno | 47 min |
| Mar 10, 2:46 PM PST | Special Weather Statement | LOX | Los Angeles | 59 min |
| Mar 10, 3:26 PM PST | Special Weather Statement | HNX | Fresno | 34 min |
| Mar 10, 4:11 PM PST | Special Weather Statement | STO | Sacramento | 34 min |
| Mar 11, 1:48 AM PST | Special Weather Statement | SGX | Orange | 27 min |
| Mar 12, 12:01 PM PST | Special Weather Statement | SGX | 44 min | |
| Mar 12, 4:23 PM PST | Special Weather Statement | LOX | San Luis Obispo | 52 min |
| Mar 12, 4:54 PM PST | Special Weather Statement | SGX | Orange | 36 min |
| Mar 12, 6:28 PM PST | Special Weather Statement | LOX | Ventura | 47 min |
| Mar 15, 11:22 AM PDT | Special Weather Statement | STO | Stanislaus | 53 min |
| Mar 15, 12:20 PM PDT | Special Weather Statement | HNX | Merced | 40 min |
| Mar 15, 1:03 PM PDT | Special Weather Statement | HNX | Mariposa | 42 min |
| Mar 15, 1:07 PM PDT | Special Weather Statement | HNX | Kings | 38 min |
| Mar 15, 1:25 PM PDT | Special Weather Statement | HNX | Kings | 50 min |
| Mar 15, 1:33 PM PDT | Special Weather Statement | HNX | Kings | 42 min |
| Mar 15, 2:26 PM PDT | Special Weather Statement | HNX | Fresno | 34 min |
| Mar 15, 3:03 PM PDT | Special Weather Statement | HNX | 27 min | |
| Mar 15, 3:13 PM PDT | Special Weather Statement | HNX | Fresno | 32 min |
| Mar 15, 3:16 PM PDT | Special Weather Statement | HNX | Kings | 29 min |
| Mar 15, 3:32 PM PDT | Special Weather Statement | HNX | Kern | 28 min |
| Mar 15, 3:38 PM PDT | Special Weather Statement | HNX | Kings | 37 min |
| Mar 15, 3:40 PM PDT | Special Weather Statement | HNX | Fresno | 35 min |
| Mar 15, 6:05 PM PDT | Special Weather Statement | HNX | Kern | 25 min |
| Mar 15, 6:31 PM PDT | Special Weather Statement | HNX | Kern | 44 min |
| Mar 23, 4:39 PM PDT | Special Weather Statement | PSR | Imperial | 36 min |
| Mar 23, 5:14 PM PDT | Special Weather Statement | PSR | Imperial | 46 min |
| Apr 1, 3:48 PM PDT | Special Weather Statement | PSR | Imperial | 27 min |
| Apr 20, 2:55 PM PDT | Special Weather Statement | STO | Glenn, Plumas, Shasta, Tehama | 110 min |
| Apr 20, 5:07 PM PDT | Special Weather Statement | STO | Yolo | 68 min |
| Apr 20, 5:23 PM PDT | Special Weather Statement | MTR | Napa | 37 min |
| Apr 20, 6:08 PM PDT | Special Weather Statement | MTR | Napa | 52 min |
| Apr 25, 2:49 PM PDT | Special Weather Statement | STO | Tehama | 41 min |
| Apr 25, 3:49 PM PDT | Special Weather Statement | STO | Tehama | 56 min |
| Apr 25, 4:30 PM PDT | Special Weather Statement | STO | Tehama | 60 min |
| Apr 25, 7:19 PM PDT | Special Weather Statement | STO | Butte | 56 min |
| May 1, 5:55 PM PDT | Special Weather Statement | REV | Lassen | 50 min |
| May 15, 4:39 AM PDT | Special Weather Statement | STO | Shasta | 81 min |
| May 15, 2:47 PM PDT | Special Weather Statement | STO | Shasta | 43 min |
| May 15, 3:33 PM PDT | Special Weather Statement | EKA | Lake | 27 min |
| May 15, 3:59 PM PDT | Special Weather Statement | EKA | Lake | 31 min |
| May 15, 6:36 PM PDT | Special Weather Statement | STO | Tehama | 39 min |
| May 15, 6:52 PM PDT | Special Weather Statement | STO | Shasta | 53 min |
| May 15, 7:42 PM PDT | Special Weather Statement | STO | Tehama | 48 min |
| May 16, 12:29 PM PDT | Special Weather Statement | HNX | 46 min | |
| May 16, 2:59 PM PDT | Special Weather Statement | HNX | 46 min | |
| May 16, 3:19 PM PDT | Special Weather Statement | STO | Alpine | 41 min |
| May 16, 3:23 PM PDT | Special Weather Statement | STO | Placer | 37 min |
| May 16, 4:01 PM PDT | Special Weather Statement | STO | Alpine | 44 min |
| May 16, 4:18 PM PDT | Special Weather Statement | HNX | Tulare | 27 min |
| May 16, 5:01 PM PDT | Special Weather Statement | STO | Nevada | 44 min |
| May 21, 4:00 PM PDT | Special Weather Statement | HNX | 45 min | |
| May 21, 4:44 PM PDT | Special Weather Statement | HNX | Kern | 31 min |
| May 21, 4:47 PM PDT | Special Weather Statement | HNX | 28 min | |
| May 29, 1:43 PM PDT | Special Weather Statement | HNX | 47 min | |
| May 29, 2:58 PM PDT | Special Weather Statement | STO | Tuolumne | 62 min |
| May 29, 3:06 PM PDT | Special Weather Statement | HNX | Mariposa | 24 min |
| May 29, 3:50 PM PDT | Special Weather Statement | HNX | Tuolumne | 25 min |
| May 29, 4:08 PM PDT | Special Weather Statement | HNX | 37 min | |
| May 29, 4:32 PM PDT | Special Weather Statement | HNX | Tuolumne | 28 min |
| May 29, 4:36 PM PDT | Special Weather Statement | HNX | Tulare | 24 min |
| Jun 2, 3:10 PM PDT | Special Weather Statement | REV | Alpine, Lassen, Mono | 110 min |
| Jun 2, 3:32 PM PDT | Special Weather Statement | HNX | Mariposa | 43 min |
| Jun 2, 4:20 PM PDT | Special Weather Statement | HNX | Mariposa | 25 min |
| Jun 3, 12:52 PM PDT | Special Weather Statement | REV | Mono | 2 hr |
| Jun 3, 3:11 PM PDT | Special Weather Statement | REV | Alpine, Mono | 3 hr |
| Jun 3, 3:55 PM PDT | Special Weather Statement | HNX | Mono | 50 min |
| Jun 4, 2:10 PM PDT | Special Weather Statement | REV | Mono | 110 min |
| Jun 18, 2:11 PM PDT | Special Weather Statement | REV | Alpine, Mono | 3 hr |
| Jun 23, 2:32 PM PDT | Special Weather Statement | EKA | Trinity | 28 min |
| Jun 23, 5:07 PM PDT | Special Weather Statement | EKA | 23 min | |
| Jun 23, 6:10 PM PDT | Special Weather Statement | PSR | Imperial | 50 min |
| Jun 24, 11:09 AM PDT | Special Weather Statement | REV | Alpine, Mono | 51 min |
| Jun 24, 3:40 PM PDT | Special Weather Statement | STO | Amador, Butte, Calaveras, El Dorado, Nevada, Placer and 3 more | 110 min |
| Jun 28, 2:52 PM PDT | Special Weather Statement | REV | Alpine, Mono | 3 hr |
| Jun 28, 3:59 PM PDT | Special Weather Statement | HNX | Mono | 31 min |
| Jun 28, 5:13 PM PDT | Special Weather Statement | HNX | Tulare | 47 min |
| Jun 28, 5:44 PM PDT | Special Weather Statement | HNX | Tuolumne | 46 min |
| Jun 29, 12:06 PM PDT | Special Weather Statement | REV | Alpine, Mono | 3 hr |
| Jun 29, 2:14 PM PDT | Special Weather Statement | HNX | Mono | 46 min |
| Jun 29, 3:02 PM PDT | Special Weather Statement | REV | Alpine, Mono | 3 hr |
| Jun 29, 3:15 PM PDT | Special Weather Statement | HNX | Mariposa | 45 min |
| Jun 29, 3:54 PM PDT | Special Weather Statement | HNX | Kern | 51 min |
| Jun 29, 4:23 PM PDT | Special Weather Statement | HNX | Kern | 22 min |
| Jun 29, 7:50 PM PDT | Special Weather Statement | REV | Alpine | 3 hr |
| Jun 30, 1:24 PM PDT | Special Weather Statement | REV | Alpine, Mono | 111 min |
| Jun 30, 2:27 PM PDT | Special Weather Statement | HNX | Madera | 33 min |
| Jun 30, 3:21 PM PDT | Special Weather Statement | HNX | 39 min | |
| Jun 30, 3:23 PM PDT | Special Weather Statement | HNX | Mariposa | 52 min |
| Jun 30, 3:51 PM PDT | Special Weather Statement | HNX | Madera | 24 min |
| Jun 30, 3:52 PM PDT | Special Weather Statement | HNX | Madera | 23 min |
| Jul 1, 12:00 PM PDT | Special Weather Statement | REV | Alpine, Mono | 2 hr |
| Jul 1, 3:45 PM PDT | Special Weather Statement | HNX | Mono | 45 min |
| Jul 1, 3:48 PM PDT | Special Weather Statement | HNX | Mono | 42 min |
| Jul 3, 3:23 PM PDT | Special Weather Statement | REV | Sierra | 22 min |
| Jul 3, 3:46 PM PDT | Special Weather Statement | STO | Alpine | 59 min |
| Jul 9, 3:08 PM PDT | Special Weather Statement | REV | Mono | 82 min |
| Jul 9, 4:47 PM PDT | Special Weather Statement | REV | Mono | 88 min |
| Jul 11, 2:45 PM PDT | Special Weather Statement | HNX | 45 min | |
| Jul 11, 3:55 PM PDT | Special Weather Statement | REV | Mono | 35 min |
| Jul 11, 4:47 PM PDT | Special Weather Statement | HNX | 43 min | |
| Jul 12, 12:19 PM PDT | Special Weather Statement | HNX | Tulare | 41 min |
| Jul 12, 1:47 PM PDT | Special Weather Statement | REV | Alpine, Mono | 88 min |
| Jul 13, 11:47 AM PDT | Special Weather Statement | REV | Mono | 88 min |
| Jul 13, 11:52 AM PDT | Special Weather Statement | SGX | 53 min | |
| Jul 13, 12:33 PM PDT | Special Weather Statement | SGX | 57 min | |
| Jul 14, 2:59 PM PDT | Special Weather Statement | REV | Mono | 61 min |
| Jul 18, 1:31 PM PDT | Special Weather Statement | SGX | San Diego | 44 min |
| Jul 18, 5:49 PM PDT | Special Weather Statement | SGX | San Diego | 41 min |
| Jul 19, 11:39 AM PDT | Special Weather Statement | HNX | Mono | 51 min |
| Jul 22, 4:00 PM PDT | Special Weather Statement | PSR | Imperial | 60 min |
| Jul 22, 5:07 PM PDT | Special Weather Statement | PSR | Riverside | 38 min |
| Jul 22, 5:26 PM PDT | Special Weather Statement | SGX | Riverside | 64 min |
| Jul 25, 11:59 AM PDT | Special Weather Statement | PSR | Riverside | 31 min |
| Jul 25, 12:43 PM PDT | Special Weather Statement | PSR | Riverside | 32 min |
| Jul 25, 1:24 PM PDT | Special Weather Statement | PSR | Riverside | 51 min |
| Jul 25, 2:15 PM PDT | Special Weather Statement | PSR | Riverside | 45 min |
| Jul 25, 2:38 PM PDT | Special Weather Statement | PSR | Riverside | 37 min |
| Jul 25, 3:14 PM PDT | Special Weather Statement | PSR | Riverside | 31 min |
| Jul 25, 3:41 PM PDT | Special Weather Statement | PSR | Riverside | 34 min |
| Jul 26, 2:58 PM PDT | Special Weather Statement | REV | Sierra | 17 min |
| Jul 26, 4:17 PM PDT | Special Weather Statement | HNX | 43 min | |
| Jul 26, 7:24 PM PDT | Special Weather Statement | REV | Mono | 51 min |
| Jul 27, 2:23 PM PDT | Special Weather Statement | SGX | 37 min | |
| Jul 27, 5:47 PM PDT | Special Weather Statement | HNX | 43 min | |
| Jul 28, 12:05 PM PDT | Special Weather Statement | REV | Alpine, Mono | 85 min |
| Jul 28, 2:59 PM PDT | Special Weather Statement | HNX | 46 min | |
| Jul 28, 4:12 PM PDT | Special Weather Statement | SGX | San Diego | 48 min |
| Jul 28, 4:30 PM PDT | Special Weather Statement | REV | Mono | 45 min |
| Jul 28, 7:00 PM PDT | Special Weather Statement | HNX | Tulare | 45 min |
| Jul 29, 1:51 PM PDT | Special Weather Statement | HNX | Mariposa | 39 min |
| Jul 29, 1:52 PM PDT | Special Weather Statement | HNX | Mariposa | 38 min |
| Jul 29, 1:54 PM PDT | Special Weather Statement | REV | Alpine | 51 min |
| Jul 29, 2:24 PM PDT | Special Weather Statement | HNX | Tuolumne | 36 min |
| Jul 29, 3:07 PM PDT | Special Weather Statement | HNX | Mariposa | 38 min |
| Jul 29, 3:27 PM PDT | Special Weather Statement | STO | Alpine | 63 min |
| Jul 29, 4:07 PM PDT | Special Weather Statement | STO | El Dorado | 53 min |
| Jul 29, 4:19 PM PDT | Special Weather Statement | REV | Sierra | 41 min |
| Jul 29, 5:14 PM PDT | Special Weather Statement | REV | Sierra | 61 min |
| Jul 30, 1:10 PM PDT | Special Weather Statement | REV | Alpine, Lassen, Mono, Plumas, Sierra | 80 min |
| Jul 30, 1:40 PM PDT | Special Weather Statement | REV | Sierra | 50 min |
| Jul 30, 2:01 PM PDT | Special Weather Statement | PSR | Imperial | 29 min |
| Jul 30, 3:43 PM PDT | Special Weather Statement | EKA | Trinity | 32 min |
| Jul 30, 3:45 PM PDT | Special Weather Statement | PSR | Riverside | 30 min |
| Jul 30, 4:08 PM PDT | Special Weather Statement | HNX | Mariposa | 22 min |
| Jul 30, 4:20 PM PDT | Special Weather Statement | HNX | Tuolumne | 40 min |
| Jul 30, 4:20 PM PDT | Special Weather Statement | PSR | Imperial | 25 min |
| Jul 30, 4:30 PM PDT | Special Weather Statement | HNX | Mariposa | 45 min |
| Jul 30, 4:33 PM PDT | Special Weather Statement | EKA | Del Norte | 27 min |
| Jul 30, 4:37 PM PDT | Special Weather Statement | PSR | Riverside | 23 min |
| Jul 30, 4:48 PM PDT | Special Weather Statement | PSR | Imperial | 27 min |
| Jul 30, 5:18 PM PDT | Special Weather Statement | PSR | Imperial | 72 min |
| Jul 30, 5:20 PM PDT | Special Weather Statement | PSR | Riverside | 70 min |
| Jul 30, 5:34 PM PDT | Special Weather Statement | REV | Alpine, Mono | 86 min |
| Jul 30, 6:31 PM PDT | Special Weather Statement | PSR | Imperial | 74 min |
| Jul 31, 12:59 PM PDT | Special Weather Statement | HNX | Mariposa | 46 min |
| Jul 31, 1:22 PM PDT | Special Weather Statement | REV | Lassen | 38 min |
| Jul 31, 1:39 PM PDT | Special Weather Statement | SGX | San Diego | 51 min |
| Jul 31, 2:01 PM PDT | Special Weather Statement | HNX | Madera | 44 min |
| Jul 31, 2:04 PM PDT | Special Weather Statement | REV | Lassen | 41 min |
| Jul 31, 2:32 PM PDT | Special Weather Statement | PSR | Riverside | 28 min |
| Jul 31, 3:14 PM PDT | Special Weather Statement | REV | Alpine | 31 min |
| Jul 31, 3:47 PM PDT | Special Weather Statement | PSR | Riverside | 28 min |
| Aug 5, 5:12 PM PDT | Special Weather Statement | STO | Shasta | 33 min |
| Aug 9, 5:26 PM PDT | Special Weather Statement | SGX | San Diego | 64 min |
| Aug 10, 11:16 PM PDT | Special Weather Statement | PSR | Imperial | 74 min |
| Aug 13, 3:03 PM PDT | Special Weather Statement | REV | Alpine, Mono, Plumas | 72 min |
| Aug 16, 2:12 PM PDT | Special Weather Statement | HNX | Tulare | 33 min |
| Aug 29, 12:54 PM PDT | Special Weather Statement | SGX | San Diego | 51 min |
| Aug 29, 1:14 PM PDT | Special Weather Statement | PSR | Riverside | 31 min |
| Aug 29, 2:35 PM PDT | Special Weather Statement | SGX | San Diego | 40 min |
| Aug 29, 3:30 PM PDT | Special Weather Statement | PSR | Riverside | 30 min |
| Aug 29, 4:01 PM PDT | Special Weather Statement | PSR | Riverside | 29 min |
| Aug 30, 12:39 PM PDT | Special Weather Statement | SGX | San Diego | 51 min |
| Aug 30, 7:37 PM PDT | Special Weather Statement | PSR | Riverside | 23 min |
| Aug 30, 7:58 PM PDT | Special Weather Statement | SGX | Riverside | 47 min |
| Aug 31, 3:30 PM PDT | Special Weather Statement | SGX | San Diego | 45 min |
| Aug 31, 3:48 PM PDT | Special Weather Statement | PSR | Imperial | 87 min |
| Aug 31, 4:15 PM PDT | Special Weather Statement | PSR | Imperial | 90 min |
| Aug 31, 4:55 PM PDT | Special Weather Statement | SGX | 65 min | |
| Sep 9, 12:40 PM PDT | Special Weather Statement | SGX | 50 min | |
| Sep 9, 1:21 PM PDT | Special Weather Statement | PSR | Riverside | 24 min |
| Sep 9, 1:58 PM PDT | Special Weather Statement | PSR | Riverside | 32 min |
| Sep 9, 2:14 PM PDT | Special Weather Statement | HNX | Kern | 46 min |
| Sep 9, 2:31 PM PDT | Special Weather Statement | PSR | Riverside | 29 min |
| Sep 9, 2:38 PM PDT | Special Weather Statement | HNX | 22 min | |
| Sep 9, 3:07 PM PDT | Special Weather Statement | HNX | 23 min | |
| Sep 9, 3:25 PM PDT | Special Weather Statement | SGX | 50 min | |
| Sep 9, 3:29 PM PDT | Special Weather Statement | HNX | 46 min | |
| Sep 9, 3:42 PM PDT | Special Weather Statement | PSR | Riverside | 33 min |
| Sep 9, 3:57 PM PDT | Special Weather Statement | HNX | 33 min | |
| Sep 9, 4:15 PM PDT | Special Weather Statement | PSR | Riverside | 45 min |
| Sep 9, 4:19 PM PDT | Special Weather Statement | HNX | Kern | 26 min |
| Sep 9, 4:35 PM PDT | Special Weather Statement | HNX | 25 min | |
| Sep 9, 5:02 PM PDT | Special Weather Statement | HNX | 28 min | |
| Sep 9, 5:06 PM PDT | Special Weather Statement | HNX | Kern | 24 min |
| Sep 9, 5:14 PM PDT | Special Weather Statement | PSR | Riverside | 31 min |
| Sep 9, 5:42 PM PDT | Special Weather Statement | HNX | Tulare | 33 min |
| Sep 9, 5:52 PM PDT | Special Weather Statement | PSR | Riverside | 23 min |
| Sep 9, 6:08 PM PDT | Special Weather Statement | HNX | 37 min | |
| Sep 9, 7:38 PM PDT | Special Weather Statement | HNX | Tulare | 22 min |
| Sep 9, 8:29 PM PDT | Special Weather Statement | HNX | Fresno | 46 min |
| Sep 10, 3:06 PM PDT | Special Weather Statement | SGX | San Diego | 54 min |
| Sep 17, 2:40 PM PDT | Special Weather Statement | PSR | Riverside | 50 min |
| Sep 17, 4:11 PM PDT | Special Weather Statement | PSR | Imperial | 49 min |
| Sep 17, 4:25 PM PDT | Special Weather Statement | PSR | Riverside | 50 min |
| Sep 17, 5:09 PM PDT | Special Weather Statement | PSR | Imperial | 51 min |
| Sep 23, 1:13 PM PDT | Special Weather Statement | PSR | Riverside | 47 min |
| Sep 23, 2:48 PM PDT | Special Weather Statement | PSR | Riverside | 42 min |
| Sep 24, 7:10 AM PDT | Special Weather Statement | PSR | Imperial | 50 min |
| Sep 24, 8:00 AM PDT | Special Weather Statement | PSR | Imperial | 45 min |
| Sep 24, 8:18 AM PDT | Special Weather Statement | PSR | Imperial | 42 min |
| Sep 24, 2:59 PM PDT | Special Weather Statement | SGX | San Diego | 61 min |
| Sep 24, 3:47 PM PDT | Special Weather Statement | SGX | Orange | 58 min |
| Oct 4, 6:02 PM PDT | Special Weather Statement | SGX | San Diego | 43 min |
| Oct 4, 7:10 PM PDT | Special Weather Statement | SGX | San Diego | 50 min |
| Oct 4, 8:17 PM PDT | Special Weather Statement | SGX | Orange | 43 min |
| Oct 4, 8:54 PM PDT | Special Weather Statement | LOX | Los Angeles | 36 min |
| Oct 5, 4:23 AM PDT | Special Weather Statement | PSR | Imperial | 52 min |
| Oct 5, 4:30 AM PDT | Special Weather Statement | PSR | Imperial | 45 min |
| Oct 5, 4:49 AM PDT | Special Weather Statement | PSR | Imperial | 41 min |
| Oct 25, 12:59 PM PDT | Special Weather Statement | STO | Butte | 31 min |
| Oct 25, 1:05 PM PDT | Special Weather Statement | HNX | Fresno, Madera | 40 min |
| Oct 25, 1:37 PM PDT | Special Weather Statement | STO | Butte | 38 min |
| Oct 25, 1:45 PM PDT | Special Weather Statement | HNX | Fresno | 45 min |
| Oct 25, 2:52 PM PDT | Special Weather Statement | HNX | Kings | 38 min |
| Oct 25, 3:15 PM PDT | Special Weather Statement | HNX | Kings | 45 min |
| Oct 25, 3:22 PM PDT | Special Weather Statement | HNX | Kings | 38 min |
| Oct 25, 3:48 PM PDT | Special Weather Statement | HNX | Kings | 42 min |
| Oct 25, 3:51 PM PDT | Special Weather Statement | HNX | Fresno | 39 min |
| Oct 25, 5:25 PM PDT | Special Weather Statement | HNX | Kern | 50 min |
| Nov 6, 2:31 AM PDT | Special Weather Statement | EKA | Humboldt | 44 min |
| Dec 13, 8:54 AM PST | Special Weather Statement | EKA | Humboldt | 36 min |
| Dec 23, 5:11 PM PST | Special Weather Statement | STO | Butte | 64 min |
| Dec 23, 6:06 PM PST | Special Weather Statement | STO | Tehama | 54 min |
| Dec 23, 8:53 PM PST | Special Weather Statement | STO | Tuolumne | 52 min |
| Dec 25, 1:18 PM PST | Special Weather Statement | STO | Shasta, Tehama | 27 min |
| Dec 27, 1:55 PM PST | Special Weather Statement | STO | Sacramento | 50 min |
| Dec 27, 3:09 PM PST | Special Weather Statement | STO | Amador | 51 min |
| Dec 29, 3:42 PM PST | Special Weather Statement | MTR | Santa Clara | 33 min |
| Dec 29, 3:43 PM PST | Special Weather Statement | MTR | San Benito | 32 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Riverside County30
- Mono County29
- Imperial County22
- Alpine County21
- San Diego County16
- Tehama County13
- Fresno County12
- Mariposa County12
- Kern County10
- Shasta County9
- Kings County9
- Tulare County8
- Tuolumne County8
- Sierra County7
- Madera County6
- Butte County5
- Lassen County5
- Orange County4
- Sacramento County3
- San Luis Obispo County3
- Merced County3
- Yolo County3
- Plumas County3
- Glenn County2
- Los Angeles County2
- Napa County2
- Lake County2
- Placer County2
- Nevada County2
- Trinity County2
- Amador County2
- El Dorado County2
- Humboldt County2
- San Joaquin County1
- Alameda County1
- Ventura County1
- Stanislaus County1
- Calaveras County1
- Del Norte County1
- Santa Clara County1
1 more counties
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.