Alert archive / California / Special Weather Statements
Special Weather Statements in California, 2010
292 special weather statements in 2010. 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 2010. Tap one for its archive.
- Special Weather Statements
- 292
- Busiest month
- July70 special weather statements
- Busiest day
- January 20, 201017 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 13, 3:49 AM PST | Special Weather Statement | STO | Calaveras | 41 min |
| Jan 18, 10:24 AM PST | Special Weather Statement | MTR | Alameda, Santa Clara, Santa Cruz | 51 min |
| Jan 18, 11:15 AM PST | Special Weather Statement | LOX | 45 min | |
| Jan 18, 11:35 AM PST | Special Weather Statement | MTR | 40 min | |
| Jan 18, 1:45 PM PST | Special Weather Statement | HNX | Kern, Tulare | 60 min |
| Jan 18, 2:59 PM PST | Special Weather Statement | HNX | 46 min | |
| Jan 18, 3:02 PM PST | Special Weather Statement | HNX | Fresno, Kings | 73 min |
| Jan 18, 4:19 PM PST | Special Weather Statement | HNX | Fresno | 56 min |
| Jan 19, 2:41 PM PST | Special Weather Statement | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 4 more | 79 min |
| Jan 19, 2:56 PM PST | Special Weather Statement | STO | Yolo | 64 min |
| Jan 19, 3:06 PM PST | Special Weather Statement | MTR | Alameda, Contra Costa, Marin, Napa, San Benito, San Mateo and 3 more | 54 min |
| Jan 19, 4:04 PM PST | Special Weather Statement | MTR | Alameda, Contra Costa, Napa, San Benito, San Mateo, Santa Clara and 1 more | 56 min |
| Jan 19, 4:38 PM PST | Special Weather Statement | STO | Butte, Colusa, Glenn, Sacramento, San Joaquin, Solano and 3 more | 52 min |
| Jan 19, 5:06 PM PST | Special Weather Statement | MTR | Monterey, San Benito, Santa Clara, Santa Cruz | 54 min |
| Jan 19, 5:28 PM PST | Special Weather Statement | STO | Sacramento, Sutter | 62 min |
| Jan 19, 6:25 PM PST | Special Weather Statement | HNX | Merced | 50 min |
| Jan 20, 3:41 AM PST | Special Weather Statement | LOX | Los Angeles | 49 min |
| Jan 20, 10:38 AM PST | Special Weather Statement | STO | Sutter, Yolo | 52 min |
| Jan 20, 11:47 AM PST | Special Weather Statement | STO | Sacramento | 73 min |
| Jan 20, 12:38 PM PST | Special Weather Statement | MTR | Santa Clara | 52 min |
| Jan 20, 1:45 PM PST | Special Weather Statement | MTR | Santa Cruz | 30 min |
| Jan 20, 1:54 PM PST | Special Weather Statement | MTR | Santa Clara | 66 min |
| Jan 20, 2:14 PM PST | Special Weather Statement | STO | Colusa, Sacramento, San Joaquin, Solano, Stanislaus, Sutter and 2 more | 61 min |
| Jan 20, 2:16 PM PST | Special Weather Statement | MTR | Santa Clara, Santa Cruz | 59 min |
| Jan 20, 2:45 PM PST | Special Weather Statement | LOX | Los Angeles | 30 min |
| Jan 20, 2:45 PM PST | Special Weather Statement | STO | Sacramento, San Joaquin, Stanislaus, Sutter, Yolo, Yuba | 75 min |
| Jan 20, 3:05 PM PST | Special Weather Statement | MTR | Monterey | 25 min |
| Jan 20, 3:59 PM PST | Special Weather Statement | STO | Butte, Sacramento, San Joaquin, Stanislaus, Sutter, Yuba | 46 min |
| Jan 20, 4:04 PM PST | Special Weather Statement | STO | Butte, Sacramento, San Joaquin, Stanislaus, Sutter, Yuba | 41 min |
| Jan 20, 4:54 PM PST | Special Weather Statement | LOX | San Luis Obispo, Santa Barbara | 51 min |
| Jan 20, 5:11 PM PST | Special Weather Statement | MTR | San Benito | 49 min |
| Jan 20, 5:14 PM PST | Special Weather Statement | MTR | Napa | 46 min |
| Jan 20, 6:34 PM PST | Special Weather Statement | MTR | San Mateo | 26 min |
| Jan 20, 6:40 PM PST | Special Weather Statement | HNX | Fresno, Kern, Kings, Tulare | 65 min |
| Jan 20, 7:01 PM PST | Special Weather Statement | MTR | San Mateo | 29 min |
| Jan 20, 7:32 PM PST | Special Weather Statement | MTR | Alameda | 28 min |
| Jan 20, 8:43 PM PST | Special Weather Statement | MTR | Marin | 47 min |
| Jan 20, 10:17 PM PST | Special Weather Statement | STO | Solano | 58 min |
| Jan 21, 10:27 AM PST | Special Weather Statement | LOX | San Luis Obispo | 63 min |
| Jan 21, 2:44 PM PST | Special Weather Statement | PSR | Imperial | 61 min |
| Jan 21, 5:41 PM PST | Special Weather Statement | LOX | Los Angeles, Ventura | 49 min |
| Jan 21, 6:18 PM PST | Special Weather Statement | HNX | Fresno, Kings, Madera, Mariposa, Merced | 87 min |
| Jan 21, 6:34 PM PST | Special Weather Statement | LOX | Los Angeles, Ventura | 56 min |
| Jan 21, 7:35 PM PST | Special Weather Statement | LOX | Los Angeles | 25 min |
| Jan 21, 8:41 PM PST | Special Weather Statement | LOX | Los Angeles, Ventura | 49 min |
| Jan 22, 4:34 AM PST | Special Weather Statement | LOX | Los Angeles, Ventura | 41 min |
| Jan 22, 4:35 AM PST | Special Weather Statement | LOX | Los Angeles, Ventura | 40 min |
| Jan 22, 8:32 AM PST | Special Weather Statement | LOX | San Luis Obispo | 43 min |
| Jan 22, 10:09 AM PST | Special Weather Statement | LOX | Santa Barbara | 51 min |
| Jan 22, 12:03 PM PST | Special Weather Statement | LOX | Los Angeles | 27 min |
| Jan 22, 1:30 PM PST | Special Weather Statement | LOX | San Luis Obispo | 30 min |
| Jan 22, 2:01 PM PST | Special Weather Statement | LOX | Los Angeles | 44 min |
| Jan 22, 2:20 PM PST | Special Weather Statement | LOX | San Luis Obispo | 40 min |
| Jan 22, 3:13 PM PST | Special Weather Statement | LOX | Los Angeles | 47 min |
| Jan 22, 3:29 PM PST | Special Weather Statement | LOX | San Luis Obispo, Santa Barbara | 46 min |
| Jan 22, 4:01 PM PST | Special Weather Statement | LOX | Los Angeles | 59 min |
| Jan 22, 4:11 PM PST | Special Weather Statement | HNX | Fresno, Madera, Mariposa, Merced | 79 min |
| Jan 22, 5:39 PM PST | Special Weather Statement | HNX | Fresno, Kings | 51 min |
| Jan 23, 1:56 PM PST | Special Weather Statement | STO | San Joaquin | 49 min |
| Jan 29, 9:59 PM PST | Special Weather Statement | STO | Amador | 46 min |
| Feb 9, 8:47 AM PST | Special Weather Statement | STO | San Joaquin | 43 min |
| Feb 9, 8:54 AM PST | Special Weather Statement | STO | San Joaquin | 36 min |
| Feb 20, 9:47 PM PST | Special Weather Statement | STO | Tehama | 58 min |
| Feb 27, 2:16 PM PST | Special Weather Statement | HNX | 44 min | |
| Mar 2, 6:47 PM PST | Special Weather Statement | STO | Shasta | 58 min |
| Mar 3, 2:50 PM PST | Special Weather Statement | STO | Glenn | 55 min |
| Mar 3, 4:00 PM PST | Special Weather Statement | STO | San Joaquin | 75 min |
| Mar 6, 8:52 PM PST | Special Weather Statement | LOX | Los Angeles | 38 min |
| Mar 8, 1:22 PM PST | Special Weather Statement | STO | Butte, Tehama | 53 min |
| Mar 8, 6:13 PM PST | Special Weather Statement | EKA | Humboldt | 47 min |
| Mar 8, 6:56 PM PST | Special Weather Statement | MTR | San Benito | 64 min |
| Mar 9, 6:34 PM PST | Special Weather Statement | EKA | Humboldt | 26 min |
| Mar 9, 6:59 PM PST | Special Weather Statement | EKA | Humboldt | 31 min |
| Mar 12, 5:58 PM PST | Special Weather Statement | STO | Shasta | 62 min |
| Mar 30, 6:28 PM PDT | Special Weather Statement | STO | Butte | 32 min |
| Apr 4, 11:33 AM PDT | Special Weather Statement | EKA | Humboldt | 42 min |
| Apr 4, 12:08 PM PDT | Special Weather Statement | EKA | Mendocino | 52 min |
| Apr 11, 1:32 PM PDT | Special Weather Statement | MTR | Santa Cruz | 43 min |
| Apr 11, 2:00 PM PDT | Special Weather Statement | MTR | Santa Clara | 45 min |
| Apr 11, 4:37 PM PDT | Special Weather Statement | LOX | San Luis Obispo | 53 min |
| Apr 11, 8:14 PM PDT | Special Weather Statement | MTR | Sonoma | 46 min |
| Apr 11, 10:35 PM PDT | Special Weather Statement | MTR | Contra Costa | 40 min |
| Apr 12, 1:51 AM PDT | Special Weather Statement | MTR | San Mateo | 54 min |
| Apr 12, 2:18 PM PDT | Special Weather Statement | HNX | Fresno | 27 min |
| Apr 12, 4:39 PM PDT | Special Weather Statement | HNX | Fresno | 36 min |
| Apr 12, 5:39 PM PDT | Special Weather Statement | HNX | Fresno | 21 min |
| Apr 12, 6:43 PM PDT | Special Weather Statement | HNX | Merced | 32 min |
| Apr 12, 8:06 PM PDT | Special Weather Statement | HNX | Kings | 24 min |
| Apr 14, 12:58 PM PDT | Special Weather Statement | STO | Glenn | 47 min |
| Apr 20, 1:35 PM PDT | Special Weather Statement | STO | Sacramento, Sutter, Yolo | 85 min |
| Apr 20, 10:54 PM PDT | Special Weather Statement | HNX | Kern | 66 min |
| Apr 27, 12:53 PM PDT | Special Weather Statement | STO | Shasta | 52 min |
| Apr 28, 3:10 PM PDT | Special Weather Statement | HNX | Madera, Mariposa, Merced | 65 min |
| Apr 28, 4:17 PM PDT | Special Weather Statement | STO | Amador, El Dorado, Nevada, Placer | 43 min |
| Apr 28, 4:40 PM PDT | Special Weather Statement | REV | Alpine | 20 min |
| May 10, 7:49 AM PDT | Special Weather Statement | EKA | Humboldt | 41 min |
| May 10, 7:04 PM PDT | Special Weather Statement | STO | Sacramento | 56 min |
| May 27, 2:52 PM PDT | Special Weather Statement | STO | Sacramento, Solano | 38 min |
| May 27, 4:05 PM PDT | Special Weather Statement | STO | Sacramento, Sutter, Yuba | 55 min |
| May 27, 4:23 PM PDT | Special Weather Statement | STO | Sacramento | 37 min |
| May 27, 4:52 PM PDT | Special Weather Statement | STO | Yuba | 38 min |
| May 27, 6:03 PM PDT | Special Weather Statement | STO | Butte | 42 min |
| Jun 21, 6:15 PM PDT | Special Weather Statement | REV | Alpine | 45 min |
| Jun 25, 5:34 PM PDT | Special Weather Statement | MFR | Modoc | 41 min |
| Jun 27, 5:47 PM PDT | Special Weather Statement | REV | Alpine | 28 min |
| Jul 6, 7:18 PM PDT | Special Weather Statement | REV | Sierra | 27 min |
| Jul 7, 1:58 PM PDT | Special Weather Statement | STO | El Dorado | 62 min |
| Jul 7, 3:25 PM PDT | Special Weather Statement | STO | Plumas | 65 min |
| Jul 7, 4:07 PM PDT | Special Weather Statement | REV | Tuolumne | 23 min |
| Jul 8, 2:05 PM PDT | Special Weather Statement | STO | Placer | 55 min |
| Jul 8, 3:27 PM PDT | Special Weather Statement | STO | Sierra | 33 min |
| Jul 8, 5:55 PM PDT | Special Weather Statement | STO | 35 min | |
| Jul 9, 1:56 PM PDT | Special Weather Statement | REV | Sierra | 64 min |
| Jul 9, 2:47 PM PDT | Special Weather Statement | REV | Lassen | 28 min |
| Jul 9, 3:07 PM PDT | Special Weather Statement | REV | Sierra | 38 min |
| Jul 9, 3:32 PM PDT | Special Weather Statement | REV | Lassen | 28 min |
| Jul 9, 3:47 PM PDT | Special Weather Statement | EKA | Trinity | 28 min |
| Jul 9, 4:09 PM PDT | Special Weather Statement | REV | Lassen | 66 min |
| Jul 9, 4:18 PM PDT | Special Weather Statement | EKA | Trinity | 42 min |
| Jul 9, 4:38 PM PDT | Special Weather Statement | EKA | 52 min | |
| Jul 9, 5:14 PM PDT | Special Weather Statement | REV | Plumas | 31 min |
| Jul 9, 5:49 PM PDT | Special Weather Statement | REV | Plumas | 41 min |
| Jul 9, 5:50 PM PDT | Special Weather Statement | STO | Plumas | 25 min |
| Jul 9, 6:43 PM PDT | Special Weather Statement | STO | Plumas | 32 min |
| Jul 11, 11:02 AM PDT | Special Weather Statement | HNX | 88 min | |
| Jul 11, 12:02 PM PDT | Special Weather Statement | HNX | 58 min | |
| Jul 14, 4:19 PM PDT | Special Weather Statement | REV | Mono | 41 min |
| Jul 15, 12:28 PM PDT | Special Weather Statement | SGX | San Diego | 62 min |
| Jul 15, 1:25 PM PDT | Special Weather Statement | PSR | Imperial | 50 min |
| Jul 15, 2:21 PM PDT | Special Weather Statement | PSR | Riverside | 24 min |
| Jul 15, 2:34 PM PDT | Special Weather Statement | SGX | 56 min | |
| Jul 15, 2:35 PM PDT | Special Weather Statement | SGX | 55 min | |
| Jul 15, 3:28 PM PDT | Special Weather Statement | PSR | Riverside | 32 min |
| Jul 15, 5:37 PM PDT | Special Weather Statement | LOX | Los Angeles | 53 min |
| Jul 15, 5:49 PM PDT | Special Weather Statement | LOX | Los Angeles | 56 min |
| Jul 15, 5:50 PM PDT | Special Weather Statement | HNX | 25 min | |
| Jul 15, 6:38 PM PDT | Special Weather Statement | LOX | 52 min | |
| Jul 15, 7:15 PM PDT | Special Weather Statement | REV | Mono | 30 min |
| Jul 16, 11:46 AM PDT | Special Weather Statement | REV | Alpine | 44 min |
| Jul 16, 12:28 PM PDT | Special Weather Statement | REV | Alpine | 32 min |
| Jul 16, 1:08 PM PDT | Special Weather Statement | REV | Alpine | 22 min |
| Jul 16, 1:26 PM PDT | Special Weather Statement | REV | Mono | 64 min |
| Jul 16, 2:06 PM PDT | Special Weather Statement | HNX | Tulare | 54 min |
| Jul 16, 2:22 PM PDT | Special Weather Statement | HNX | 53 min | |
| Jul 16, 3:17 PM PDT | Special Weather Statement | HNX | Mono | 43 min |
| Jul 16, 4:42 PM PDT | Special Weather Statement | HNX | Mono | 48 min |
| Jul 16, 5:19 PM PDT | Special Weather Statement | REV | Mono | 56 min |
| Jul 23, 4:12 PM PDT | Special Weather Statement | REV | Alpine | 48 min |
| Jul 23, 4:40 PM PDT | Special Weather Statement | REV | Alpine | 35 min |
| Jul 24, 3:32 PM PDT | Special Weather Statement | REV | Alpine | 28 min |
| Jul 24, 3:49 PM PDT | Special Weather Statement | HNX | Mariposa | 41 min |
| Jul 24, 4:58 PM PDT | Special Weather Statement | REV | Sierra | 62 min |
| Jul 24, 6:00 PM PDT | Special Weather Statement | REV | Sierra | 45 min |
| Jul 24, 7:29 PM PDT | Special Weather Statement | REV | Sierra | 61 min |
| Jul 24, 7:59 PM PDT | Special Weather Statement | REV | Plumas | 61 min |
| Jul 25, 11:46 AM PDT | Special Weather Statement | REV | Alpine | 44 min |
| Jul 25, 11:52 AM PDT | Special Weather Statement | REV | Alpine | 38 min |
| Jul 25, 12:04 PM PDT | Special Weather Statement | REV | Sierra | 26 min |
| Jul 25, 2:07 PM PDT | Special Weather Statement | REV | Lassen | 23 min |
| Jul 25, 2:42 PM PDT | Special Weather Statement | REV | Lassen | 33 min |
| Jul 25, 2:54 PM PDT | Special Weather Statement | REV | Mono | 36 min |
| Jul 25, 3:20 PM PDT | Special Weather Statement | HNX | Mono | 25 min |
| Jul 25, 4:55 PM PDT | Special Weather Statement | MFR | Siskiyou | 50 min |
| Jul 25, 5:16 PM PDT | Special Weather Statement | MFR | Siskiyou | 44 min |
| Jul 25, 5:54 PM PDT | Special Weather Statement | REV | Lassen | 51 min |
| Jul 25, 6:53 PM PDT | Special Weather Statement | REV | Lassen | 37 min |
| Jul 25, 7:01 PM PDT | Special Weather Statement | MFR | Siskiyou | 29 min |
| Jul 26, 12:58 AM PDT | Special Weather Statement | HNX | 32 min | |
| Jul 26, 11:56 AM PDT | Special Weather Statement | REV | Alpine | 34 min |
| Jul 26, 12:33 PM PDT | Special Weather Statement | REV | Alpine | 42 min |
| Jul 26, 12:54 PM PDT | Special Weather Statement | REV | Sierra | 36 min |
| Jul 26, 3:30 PM PDT | Special Weather Statement | REV | Sierra | 45 min |
| Jul 26, 4:07 PM PDT | Special Weather Statement | EKA | Trinity | 38 min |
| Jul 26, 7:09 PM PDT | Special Weather Statement | MFR | Siskiyou | 36 min |
| Jul 28, 2:30 AM PDT | Special Weather Statement | EKA | Del Norte | 45 min |
| Aug 6, 6:57 PM PDT | Special Weather Statement | REV | Lassen | 33 min |
| Aug 7, 3:38 PM PDT | Special Weather Statement | REV | Sierra | 37 min |
| Aug 7, 4:34 PM PDT | Special Weather Statement | REV | Alpine | 26 min |
| Aug 7, 4:38 PM PDT | Special Weather Statement | REV | Plumas | 37 min |
| Aug 7, 4:48 PM PDT | Special Weather Statement | STO | Alpine | 42 min |
| Aug 7, 5:30 PM PDT | Special Weather Statement | REV | Alpine | 60 min |
| Aug 7, 5:31 PM PDT | Special Weather Statement | REV | Sierra | 29 min |
| Aug 7, 6:49 PM PDT | Special Weather Statement | REV | Lassen | 41 min |
| Aug 8, 2:33 PM PDT | Special Weather Statement | REV | Sierra | 57 min |
| Aug 8, 2:52 PM PDT | Special Weather Statement | HNX | Mariposa | 53 min |
| Aug 8, 3:13 PM PDT | Special Weather Statement | REV | Alpine, Plumas | 107 min |
| Aug 8, 4:27 PM PDT | Special Weather Statement | HNX | 93 min | |
| Aug 8, 6:23 PM PDT | Special Weather Statement | HNX | Mariposa | 52 min |
| Aug 8, 6:37 PM PDT | Special Weather Statement | REV | Sierra | 38 min |
| Aug 15, 2:56 PM PDT | Special Weather Statement | REV | Lassen | 34 min |
| Aug 16, 2:55 PM PDT | Special Weather Statement | SGX | 50 min | |
| Aug 16, 2:58 PM PDT | Special Weather Statement | SGX | 47 min | |
| Aug 16, 4:01 PM PDT | Special Weather Statement | SGX | 59 min | |
| Aug 16, 4:37 PM PDT | Special Weather Statement | SGX | San Diego | 53 min |
| Aug 25, 1:46 PM PDT | Special Weather Statement | LOX | Los Angeles | 59 min |
| Aug 25, 3:17 PM PDT | Special Weather Statement | LOX | Los Angeles | 58 min |
| Aug 25, 4:04 PM PDT | Special Weather Statement | HNX | Kern | 86 min |
| Aug 25, 5:35 PM PDT | Special Weather Statement | HNX | 85 min | |
| Aug 25, 6:31 PM PDT | Special Weather Statement | HNX | 2 hr | |
| Aug 25, 6:58 PM PDT | Special Weather Statement | PSR | Riverside | 62 min |
| Aug 26, 1:20 PM PDT | Special Weather Statement | HNX | Kern | 70 min |
| Aug 26, 1:42 PM PDT | Special Weather Statement | LOX | 63 min | |
| Aug 26, 2:17 PM PDT | Special Weather Statement | HNX | 58 min | |
| Aug 26, 2:28 PM PDT | Special Weather Statement | REV | Mono | 32 min |
| Aug 26, 2:29 PM PDT | Special Weather Statement | HNX | 61 min | |
| Aug 26, 2:55 PM PDT | Special Weather Statement | SGX | 65 min | |
| Aug 26, 3:27 PM PDT | Special Weather Statement | REV | Mono | 48 min |
| Aug 26, 3:30 PM PDT | Special Weather Statement | SGX | 60 min | |
| Aug 26, 5:04 PM PDT | Special Weather Statement | LOX | 56 min | |
| Aug 26, 6:46 PM PDT | Special Weather Statement | SGX | San Diego | 59 min |
| Aug 26, 9:45 PM PDT | Special Weather Statement | PSR | Imperial | 90 min |
| Aug 27, 3:18 PM PDT | Special Weather Statement | PSR | Imperial | 72 min |
| Aug 27, 3:35 PM PDT | Special Weather Statement | PSR | Imperial | 55 min |
| Aug 27, 3:54 PM PDT | Special Weather Statement | PSR | Imperial | 51 min |
| Sep 8, 4:56 PM PDT | Special Weather Statement | STO | Tehama | 34 min |
| Sep 19, 4:21 PM PDT | Special Weather Statement | STO | Colusa | 69 min |
| Sep 30, 1:52 AM PDT | Special Weather Statement | PSR | Imperial | 53 min |
| Oct 1, 12:48 PM PDT | Special Weather Statement | SGX | San Diego | 57 min |
| Oct 1, 3:51 PM PDT | Special Weather Statement | LOX | Santa Barbara | 54 min |
| Oct 1, 7:13 PM PDT | Special Weather Statement | LOX | Ventura | 62 min |
| Oct 2, 6:22 AM PDT | Special Weather Statement | PSR | Imperial | 38 min |
| Oct 2, 6:36 AM PDT | Special Weather Statement | PSR | Imperial | 24 min |
| Oct 2, 12:41 PM PDT | Special Weather Statement | LOX | Ventura | 64 min |
| Oct 2, 12:42 PM PDT | Special Weather Statement | HNX | 33 min | |
| Oct 2, 1:07 PM PDT | Special Weather Statement | LOX | Ventura | 53 min |
| Oct 2, 1:19 PM PDT | Special Weather Statement | LOX | Santa Barbara | 56 min |
| Oct 2, 1:46 PM PDT | Special Weather Statement | HNX | Kern | 29 min |
| Oct 2, 1:57 PM PDT | Special Weather Statement | HNX | Kern | 33 min |
| Oct 2, 2:45 PM PDT | Special Weather Statement | LOX | San Luis Obispo | 60 min |
| Oct 2, 3:12 PM PDT | Special Weather Statement | SGX | 63 min | |
| Oct 2, 4:23 PM PDT | Special Weather Statement | SGX | 67 min | |
| Oct 2, 4:29 PM PDT | Special Weather Statement | SGX | San Diego | 91 min |
| Oct 2, 6:33 PM PDT | Special Weather Statement | LOX | San Luis Obispo | 57 min |
| Oct 3, 4:15 AM PDT | Special Weather Statement | PSR | Imperial | 45 min |
| Oct 3, 6:04 AM PDT | Special Weather Statement | PSR | Riverside | 41 min |
| Oct 3, 6:39 AM PDT | Special Weather Statement | PSR | Imperial | 51 min |
| Oct 3, 11:00 PM PDT | Special Weather Statement | HNX | Fresno | 60 min |
| Oct 3, 11:15 PM PDT | Special Weather Statement | HNX | Fresno | 45 min |
| Oct 4, 12:25 AM PDT | Special Weather Statement | HNX | Madera | 65 min |
| Oct 4, 2:45 PM PDT | Special Weather Statement | PSR | Imperial | 45 min |
| Oct 4, 5:27 PM PDT | Special Weather Statement | REV | Sierra | 48 min |
| Oct 4, 5:52 PM PDT | Special Weather Statement | REV | Sierra | 23 min |
| Oct 5, 7:57 PM PDT | Special Weather Statement | REV | Sierra | 33 min |
| Oct 6, 3:55 PM PDT | Special Weather Statement | EKA | Mendocino | 35 min |
| Oct 6, 8:41 PM PDT | Special Weather Statement | HNX | Tulare | 49 min |
| Oct 17, 1:14 PM PDT | Special Weather Statement | REV | Mono | 61 min |
| Oct 17, 2:18 PM PDT | Special Weather Statement | HNX | Kings | 42 min |
| Oct 17, 2:42 PM PDT | Special Weather Statement | HNX | 48 min | |
| Oct 17, 3:55 PM PDT | Special Weather Statement | HNX | Kern | 35 min |
| Oct 17, 4:44 PM PDT | Special Weather Statement | HNX | Tulare | 46 min |
| Oct 18, 7:13 PM PDT | Special Weather Statement | LOX | Santa Barbara | 62 min |
| Oct 19, 2:28 AM PDT | Special Weather Statement | HNX | Kern | 32 min |
| Oct 19, 3:09 PM PDT | Special Weather Statement | PSR | Riverside | 66 min |
| Oct 19, 4:59 PM PDT | Special Weather Statement | HNX | Kern | 31 min |
| Oct 19, 6:08 PM PDT | Special Weather Statement | LOX | Los Angeles | 37 min |
| Oct 19, 6:15 PM PDT | Special Weather Statement | HNX | Kern | 60 min |
| Oct 19, 6:38 PM PDT | Special Weather Statement | LOX | Los Angeles | 52 min |
| Oct 19, 6:51 PM PDT | Special Weather Statement | SGX | 39 min | |
| Oct 19, 7:17 PM PDT | Special Weather Statement | HNX | 43 min | |
| Oct 19, 7:28 PM PDT | Special Weather Statement | LOX | Los Angeles | 32 min |
| Oct 19, 7:38 PM PDT | Special Weather Statement | SGX | 22 min | |
| Oct 19, 7:58 PM PDT | Special Weather Statement | HNX | 62 min | |
| Oct 19, 8:46 PM PDT | Special Weather Statement | LOX | Ventura | 44 min |
| Oct 19, 9:01 PM PDT | Special Weather Statement | HNX | 44 min | |
| Oct 19, 9:28 PM PDT | Special Weather Statement | LOX | Ventura | 62 min |
| Oct 19, 11:18 PM PDT | Special Weather Statement | LOX | Los Angeles | 42 min |
| Oct 20, 3:27 PM PDT | Special Weather Statement | SGX | San Diego | 33 min |
| Oct 24, 5:18 PM PDT | Special Weather Statement | EKA | Humboldt | 27 min |
| Oct 24, 5:30 PM PDT | Special Weather Statement | EKA | Humboldt | 45 min |
| Oct 24, 7:00 PM PDT | Special Weather Statement | EKA | Del Norte | 30 min |
| Oct 24, 7:37 PM PDT | Special Weather Statement | EKA | Del Norte | 38 min |
| Oct 24, 8:21 PM PDT | Special Weather Statement | EKA | Del Norte | 39 min |
| Oct 24, 9:51 PM PDT | Special Weather Statement | EKA | 39 min | |
| Nov 21, 5:12 AM PST | Special Weather Statement | HNX | Merced | 48 min |
| Nov 21, 8:21 AM PST | Special Weather Statement | HNX | Fresno | 39 min |
| Nov 23, 1:27 PM PST | Special Weather Statement | STO | Amador | 63 min |
| Nov 23, 1:53 PM PST | Special Weather Statement | STO | Amador | 37 min |
| Dec 8, 3:05 PM PST | Special Weather Statement | EKA | Humboldt | 40 min |
| Dec 18, 9:15 AM PST | Special Weather Statement | EKA | Del Norte | 45 min |
| Dec 18, 11:41 AM PST | Special Weather Statement | EKA | Del Norte | 49 min |
| Dec 19, 8:25 AM PST | Special Weather Statement | EKA | Del Norte, Humboldt | 50 min |
| Dec 19, 2:40 PM PST | Special Weather Statement | STO | Solano | 50 min |
| Dec 19, 2:45 PM PST | Special Weather Statement | EKA | Mendocino | 45 min |
| Dec 19, 3:32 PM PST | Special Weather Statement | STO | Amador, El Dorado, Placer | 43 min |
| Dec 19, 3:36 PM PST | Special Weather Statement | STO | Amador, El Dorado, Placer | 39 min |
| Dec 19, 4:02 PM PST | Special Weather Statement | EKA | Del Norte | 43 min |
| Dec 19, 4:48 PM PST | Special Weather Statement | EKA | Del Norte | 57 min |
| Dec 19, 5:09 PM PST | Special Weather Statement | EKA | Humboldt | 66 min |
| Dec 19, 10:28 PM PST | Special Weather Statement | EKA | Del Norte | 47 min |
| Dec 19, 10:44 PM PST | Special Weather Statement | MTR | Sonoma | 31 min |
| Dec 20, 9:21 AM PST | Special Weather Statement | EKA | Mendocino | 39 min |
| Dec 20, 9:57 AM PST | Special Weather Statement | EKA | 33 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Los Angeles County21
- Alpine County17
- Sierra County17
- Fresno County12
- Sacramento County12
- Imperial County12
- Kern County11
- Mono County11
- Ventura County10
- Humboldt County10
- Lassen County10
- Del Norte County10
- Santa Clara County9
- San Joaquin County9
- Sutter County9
- San Luis Obispo County9
- Santa Cruz County8
- Plumas County8
- Kings County6
- San Benito County6
- San Mateo County6
- Yolo County6
- Butte County6
- Merced County6
- Yuba County6
- Santa Barbara County6
- Mariposa County6
- Amador County6
- San Diego County6
- Alameda County5
- Tulare County5
- Solano County5
- Stanislaus County5
- Riverside County5
- Contra Costa County4
- Napa County4
- Sonoma County4
- Madera County4
- Mendocino County4
- El Dorado County4
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20092011
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.