Alert archive / California / Flash Flood Warnings
Flash Flood Warnings in California, 2015
226 flash flood warnings in 2015. 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 flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in 2015. Tap one for its archive.
- Flash Flood Warnings
- 226
- Busiest month
- July118 flash flood warnings
- Busiest day
- July 30, 201522 flash flood 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 |
|---|---|---|---|---|
| Feb 22, 7:27 PM PST | Flash Flood Warning | LOX | Ventura | 108 min |
| Feb 22, 10:22 PM PST | Flash Flood Warning | LOX | Los Angeles | 113 min |
| Mar 1, 3:37 AM PST | Flash Flood Warning | LOX | Ventura | 113 min |
| Mar 1, 4:32 PM PST | Flash Flood Warning | LOX | Ventura | 3 hr |
| Mar 1, 5:03 PM PST | Flash Flood Warning | LOX | Ventura | 4 hr |
| Mar 2, 4:29 AM PST | Flash Flood Warning | SGX | Orange | 3 hr |
| Mar 2, 11:00 AM PST | Flash Flood Warning | SGX | Orange, Riverside | 2 hr |
| Mar 18, 5:26 PM PDT | Flash Flood Warning | LOX | Los Angeles | 3 hr |
| Apr 23, 4:47 PM PDT | Flash Flood Warning | LOX | Los Angeles | 58 min |
| Apr 25, 4:18 PM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
| May 4, 6:03 PM PDT | Flash Flood Warning | VEF | San Bernardino | 117 min |
| May 14, 8:27 PM PDT | Flash Flood Warning | SGX | San Diego | 2 hr |
| May 19, 7:29 PM PDT | Flash Flood Warning | MFR | Modoc | 3 hr |
| Jun 5, 7:02 PM PDT | Flash Flood Warning | HNX | Fresno, Kings | 3 hr |
| Jun 10, 3:02 PM PDT | Flash Flood Warning | VEF | Inyo | 118 min |
| Jun 10, 4:47 PM PDT | Flash Flood Warning | LOX | San Luis Obispo, Santa Barbara | 3 hr |
| Jun 10, 5:24 PM PDT | Flash Flood Warning | HNX | Kern | 2 hr |
| Jun 10, 8:10 PM PDT | Flash Flood Warning | VEF | Inyo | 95 min |
| Jun 10, 9:38 PM PDT | Flash Flood Warning | VEF | Inyo | 82 min |
| Jun 11, 8:42 PM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
| Jun 12, 12:51 PM PDT | Flash Flood Warning | LOX | Santa Barbara, Ventura | 3 hr |
| Jun 12, 4:06 PM PDT | Flash Flood Warning | LOX | San Luis Obispo, Santa Barbara | 3 hr |
| Jun 12, 4:20 PM PDT | Flash Flood Warning | HNX | Kern | 2 hr |
| Jun 12, 4:25 PM PDT | Flash Flood Warning | LOX | Los Angeles | 3 hr |
| Jun 12, 4:55 PM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
| Jun 12, 6:58 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jun 12, 8:04 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jun 13, 4:58 PM PDT | Flash Flood Warning | HNX | Kern | 3 hr |
| Jul 1, 3:17 PM PDT | Flash Flood Warning | REV | Alpine | 3 hr |
| Jul 2, 5:01 PM PDT | Flash Flood Warning | REV | Alpine | 3 hr |
| Jul 3, 2:11 PM PDT | Flash Flood Warning | REV | Plumas | 3 hr |
| Jul 3, 2:33 PM PDT | Flash Flood Warning | REV | Nevada, Sierra | 3 hr |
| Jul 4, 5:13 PM PDT | Flash Flood Warning | EKA | Trinity | 2 hr |
| Jul 5, 1:46 PM PDT | Flash Flood Warning | REV | Mono | 3 hr |
| Jul 5, 2:49 PM PDT | Flash Flood Warning | VEF | Inyo | 116 min |
| Jul 5, 4:22 PM PDT | Flash Flood Warning | VEF | San Bernardino | 113 min |
| Jul 5, 5:33 PM PDT | Flash Flood Warning | VEF | Inyo | 117 min |
| Jul 5, 6:12 PM PDT | Flash Flood Warning | VEF | Inyo | 2 hr |
| Jul 5, 6:38 PM PDT | Flash Flood Warning | VEF | San Bernardino | 112 min |
| Jul 5, 7:11 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 5, 8:54 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 6, 12:49 PM PDT | Flash Flood Warning | SGX | San Bernardino | 4 hr |
| Jul 6, 2:04 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 6, 2:55 PM PDT | Flash Flood Warning | REV | Mono | 3 hr |
| Jul 6, 2:57 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 6, 3:11 PM PDT | Flash Flood Warning | REV | Lassen | 3 hr |
| Jul 6, 3:52 PM PDT | Flash Flood Warning | REV | Mono | 2 hr |
| Jul 6, 4:02 PM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
| Jul 6, 4:17 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 6, 4:40 PM PDT | Flash Flood Warning | REV | Alpine | 3 hr |
| Jul 6, 4:55 PM PDT | Flash Flood Warning | REV | Mono | 3 hr |
| Jul 6, 4:56 PM PDT | Flash Flood Warning | REV | Alpine, El Dorado | 3 hr |
| Jul 6, 6:09 PM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
| Jul 6, 6:12 PM PDT | Flash Flood Warning | REV | Lassen | 3 hr |
| Jul 6, 6:21 PM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
| Jul 6, 6:47 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 6, 7:37 PM PDT | Flash Flood Warning | VEF | Inyo, San Bernardino | 3 hr |
| Jul 6, 8:54 PM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
| Jul 7, 11:40 AM PDT | Flash Flood Warning | REV | Alpine, Mono | 3 hr |
| Jul 7, 1:03 PM PDT | Flash Flood Warning | REV | Alpine, El Dorado, Mono | 3 hr |
| Jul 7, 2:24 PM PDT | Flash Flood Warning | REV | Sierra | 3 hr |
| Jul 7, 2:56 PM PDT | Flash Flood Warning | REV | Alpine, Mono | 3 hr |
| Jul 7, 3:07 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 8, 12:38 PM PDT | Flash Flood Warning | REV | Alpine, Mono | 3 hr |
| Jul 8, 1:37 PM PDT | Flash Flood Warning | REV | Alpine | 3 hr |
| Jul 8, 1:48 PM PDT | Flash Flood Warning | REV | Mono | 3 hr |
| Jul 8, 1:51 PM PDT | Flash Flood Warning | REV | Nevada, Sierra | 3 hr |
| Jul 9, 11:56 AM PDT | Flash Flood Warning | VEF | Inyo | 2 hr |
| Jul 9, 1:52 PM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
| Jul 9, 2:27 PM PDT | Flash Flood Warning | REV | Plumas | 3 hr |
| Jul 9, 2:44 PM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
| Jul 17, 5:21 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 17, 6:02 PM PDT | Flash Flood Warning | SGX | San Diego | 3 hr |
| Jul 17, 6:17 PM PDT | Flash Flood Warning | VEF | San Bernardino | 6 hr |
| Jul 17, 6:37 PM PDT | Flash Flood Warning | SGX | Riverside | 113 min |
| Jul 18, 12:17 AM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 18, 10:49 AM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 18, 11:00 AM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 18, 11:47 AM PDT | Flash Flood Warning | PSR | Riverside | 3 hr |
| Jul 18, 1:23 PM PDT | Flash Flood Warning | VEF | San Bernardino | 6 hr |
| Jul 18, 2:20 PM PDT | Flash Flood Warning | VEF | San Bernardino | 6 hr |
| Jul 18, 5:18 PM PDT | Flash Flood Warning | HNX | Kern | 3 hr |
| Jul 18, 6:05 PM PDT | Flash Flood Warning | LOX | Los Angeles, Ventura | 2 hr |
| Jul 19, 1:49 PM PDT | Flash Flood Warning | HNX | Kern | 3 hr |
| Jul 19, 1:58 PM PDT | Flash Flood Warning | SGX | San Diego | 3 hr |
| Jul 19, 2:45 PM PDT | Flash Flood Warning | HNX | Kern | 3 hr |
| Jul 19, 2:50 PM PDT | Flash Flood Warning | SGX | Riverside, San Bernardino | 3 hr |
| Jul 19, 3:07 PM PDT | Flash Flood Warning | SGX | San Diego | 3 hr |
| Jul 19, 3:29 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 19, 3:33 PM PDT | Flash Flood Warning | PSR | Riverside, San Bernardino | 3 hr |
| Jul 19, 3:34 PM PDT | Flash Flood Warning | SGX | Riverside, San Bernardino | 5 hr |
| Jul 19, 4:35 PM PDT | Flash Flood Warning | SGX | Riverside | 5 hr |
| Jul 19, 4:40 PM PDT | Flash Flood Warning | SGX | Orange | 6 hr |
| Jul 19, 5:10 PM PDT | Flash Flood Warning | LOX | Los Angeles | 5 hr |
| Jul 19, 5:15 PM PDT | Flash Flood Warning | LOX | Los Angeles | 3 hr |
| Jul 19, 5:18 PM PDT | Flash Flood Warning | HNX | Madera | 117 min |
| Jul 19, 5:21 PM PDT | Flash Flood Warning | PSR | Riverside | 3 hr |
| Jul 19, 5:43 PM PDT | Flash Flood Warning | PSR | Imperial, Riverside | 4 hr |
| Jul 19, 5:58 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 19, 5:59 PM PDT | Flash Flood Warning | SGX | San Diego | 2 hr |
| Jul 19, 6:03 PM PDT | Flash Flood Warning | HNX | Kern | 3 hr |
| Jul 19, 6:04 PM PDT | Flash Flood Warning | LOX | Los Angeles | 3 hr |
| Jul 19, 7:08 PM PDT | Flash Flood Warning | HNX | Kern | 6 hr |
| Jul 19, 7:16 PM PDT | Flash Flood Warning | PSR | Imperial, Riverside | 119 min |
| Jul 19, 8:19 PM PDT | Flash Flood Warning | HNX | Kern | 3 hr |
| Jul 19, 8:59 PM PDT | Flash Flood Warning | HNX | Kern | 2 hr |
| Jul 20, 5:22 PM PDT | Flash Flood Warning | HNX | Madera, Mariposa | 3 hr |
| Jul 20, 5:51 PM PDT | Flash Flood Warning | HNX | Madera, Mariposa | 3 hr |
| Jul 20, 8:09 PM PDT | Flash Flood Warning | MFR | Siskiyou | 3 hr |
| Jul 21, 1:42 PM PDT | Flash Flood Warning | REV | Nevada, Placer, Sierra | 3 hr |
| Jul 21, 2:16 PM PDT | Flash Flood Warning | REV | Nevada, Sierra | 3 hr |
| Jul 21, 5:06 PM PDT | Flash Flood Warning | REV | Plumas | 3 hr |
| Jul 21, 5:55 PM PDT | Flash Flood Warning | HNX | Mariposa, Tuolumne | 5 hr |
| Jul 21, 6:32 PM PDT | Flash Flood Warning | STO | Tuolumne | 6 hr |
| Jul 21, 8:28 PM PDT | Flash Flood Warning | MFR | Siskiyou | 3 hr |
| Jul 21, 9:44 PM PDT | Flash Flood Warning | MFR | Siskiyou | 3 hr |
| Jul 29, 1:31 PM PDT | Flash Flood Warning | SGX | San Bernardino | 4 hr |
| Jul 29, 2:50 PM PDT | Flash Flood Warning | VEF | San Bernardino | 115 min |
| Jul 29, 3:23 PM PDT | Flash Flood Warning | LOX | Los Angeles | 3 hr |
| Jul 29, 3:26 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 29, 4:11 PM PDT | Flash Flood Warning | SGX | Riverside | 3 hr |
| Jul 29, 5:06 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 29, 5:43 PM PDT | Flash Flood Warning | LOX | Los Angeles | 107 min |
| Jul 29, 5:52 PM PDT | Flash Flood Warning | SGX | San Bernardino | 3 hr |
| Jul 29, 6:11 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 29, 6:26 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 29, 7:27 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 30, 11:49 AM PDT | Flash Flood Warning | LOX | Santa Barbara, Ventura | 3 hr |
| Jul 30, 1:13 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 30, 1:48 PM PDT | Flash Flood Warning | LOX | Los Angeles, Ventura | 3 hr |
| Jul 30, 1:48 PM PDT | Flash Flood Warning | SGX | Riverside | 5 hr |
| Jul 30, 1:50 PM PDT | Flash Flood Warning | LOX | Los Angeles | 3 hr |
| Jul 30, 2:29 PM PDT | Flash Flood Warning | LOX | Los Angeles | 2 hr |
| Jul 30, 2:29 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 30, 2:33 PM PDT | Flash Flood Warning | SGX | San Diego | 4 hr |
| Jul 30, 2:47 PM PDT | Flash Flood Warning | LOX | Santa Barbara | 3 hr |
| Jul 30, 2:47 PM PDT | Flash Flood Warning | LOX | Los Angeles, Ventura | 3 hr |
| Jul 30, 3:09 PM PDT | Flash Flood Warning | LOX | Los Angeles | 3 hr |
| Jul 30, 3:28 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 30, 3:46 PM PDT | Flash Flood Warning | SGX | San Diego | 3 hr |
| Jul 30, 3:55 PM PDT | Flash Flood Warning | LOX | Ventura | 3 hr |
| Jul 30, 4:29 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 30, 4:58 PM PDT | Flash Flood Warning | SGX | Riverside, San Bernardino | 3 hr |
| Jul 30, 5:01 PM PDT | Flash Flood Warning | LOX | Los Angeles | 3 hr |
| Jul 30, 6:38 PM PDT | Flash Flood Warning | PSR | Riverside | 3 hr |
| Jul 30, 7:13 PM PDT | Flash Flood Warning | LOX | Los Angeles | 3 hr |
| Aug 1, 3:53 PM PDT | Flash Flood Warning | VEF | Inyo | 5 hr |
| Aug 4, 8:20 PM PDT | Flash Flood Warning | MFR | Siskiyou | 115 min |
| Aug 6, 5:19 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 6, 9:41 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 6, 11:31 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 7, 12:27 AM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 7, 12:48 AM PDT | Flash Flood Warning | VEF | San Bernardino | 117 min |
| Aug 7, 12:59 AM PDT | Flash Flood Warning | VEF | San Bernardino | 91 min |
| Aug 13, 2:03 PM PDT | Flash Flood Warning | VEF | Inyo, San Bernardino | 3 hr |
| Aug 25, 6:48 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 26, 2:04 PM PDT | Flash Flood Warning | PSR | Riverside, San Bernardino | 116 min |
| Aug 26, 2:11 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 26, 2:53 PM PDT | Flash Flood Warning | SGX | San Diego | 3 hr |
| Aug 27, 9:15 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Sep 8, 1:31 PM PDT | Flash Flood Warning | SGX | San Diego | 3 hr |
| Sep 8, 2:29 PM PDT | Flash Flood Warning | SGX | San Bernardino | 4 hr |
| Sep 8, 2:59 PM PDT | Flash Flood Warning | SGX | San Diego | 3 hr |
| Sep 8, 4:19 PM PDT | Flash Flood Warning | SGX | Riverside | 3 hr |
| Sep 8, 4:37 PM PDT | Flash Flood Warning | SGX | Riverside, San Bernardino | 4 hr |
| Sep 8, 6:52 PM PDT | Flash Flood Warning | SGX | San Bernardino | 5 hr |
| Sep 9, 12:07 PM PDT | Flash Flood Warning | SGX | Riverside, San Bernardino | 5 hr |
| Sep 9, 12:21 PM PDT | Flash Flood Warning | LOX | Los Angeles | 3 hr |
| Sep 9, 1:27 PM PDT | Flash Flood Warning | SGX | San Bernardino | 4 hr |
| Sep 9, 1:33 PM PDT | Flash Flood Warning | SGX | Riverside, San Bernardino | 4 hr |
| Sep 9, 2:02 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Sep 9, 2:08 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Sep 9, 2:34 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Sep 9, 2:42 PM PDT | Flash Flood Warning | HNX | Kern | 6 hr |
| Sep 9, 2:54 PM PDT | Flash Flood Warning | LOX | Los Angeles | 3 hr |
| Sep 9, 2:55 PM PDT | Flash Flood Warning | HNX | Kern | 3 hr |
| Sep 9, 4:25 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Sep 9, 5:44 PM PDT | Flash Flood Warning | LOX | Los Angeles | 3 hr |
| Oct 4, 12:20 PM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
| Oct 4, 1:19 PM PDT | Flash Flood Warning | VEF | Inyo | 5 hr |
| Oct 4, 3:02 PM PDT | Flash Flood Warning | VEF | Inyo, San Bernardino | 3 hr |
| Oct 4, 3:24 PM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
| Oct 5, 5:31 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Oct 5, 5:47 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Oct 5, 6:03 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Oct 5, 6:29 PM PDT | Flash Flood Warning | VEF | San Bernardino | 4 hr |
| Oct 15, 7:19 AM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
| Oct 15, 1:11 PM PDT | Flash Flood Warning | HNX | Kern | 3 hr |
| Oct 15, 1:30 PM PDT | Flash Flood Warning | LOX | San Luis Obispo, Santa Barbara | 3 hr |
| Oct 15, 1:39 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Oct 15, 2:05 PM PDT | Flash Flood Warning | LOX | Ventura | 3 hr |
| Oct 15, 2:26 PM PDT | Flash Flood Warning | LOX | Los Angeles | 3 hr |
| Oct 15, 2:55 PM PDT | Flash Flood Warning | HNX | Kern | 3 hr |
| Oct 15, 3:29 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Oct 15, 3:45 PM PDT | Flash Flood Warning | LOX | Los Angeles, Ventura | 3 hr |
| Oct 15, 4:44 PM PDT | Flash Flood Warning | VEF | San Bernardino | 2 hr |
| Oct 15, 5:19 PM PDT | Flash Flood Warning | LOX | Los Angeles | 3 hr |
| Oct 15, 6:40 PM PDT | Flash Flood Warning | LOX | Los Angeles, Ventura | 2 hr |
| Oct 15, 7:16 PM PDT | Flash Flood Warning | LOX | San Luis Obispo | 3 hr |
| Oct 16, 8:18 AM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
| Oct 16, 11:17 AM PDT | Flash Flood Warning | HNX | Kern | 4 hr |
| Oct 16, 11:46 AM PDT | Flash Flood Warning | HNX | Fresno, Madera | 3 hr |
| Oct 16, 2:26 PM PDT | Flash Flood Warning | LOX | Santa Barbara, Ventura | 3 hr |
| Oct 16, 3:56 PM PDT | Flash Flood Warning | LOX | San Luis Obispo, Santa Barbara | 3 hr |
| Oct 16, 4:16 PM PDT | Flash Flood Warning | HNX | Fresno | 3 hr |
| Oct 16, 11:58 PM PDT | Flash Flood Warning | SGX | Riverside, San Diego | 2 hr |
| Oct 17, 7:05 AM PDT | Flash Flood Warning | STO | El Dorado, Placer | 4 hr |
| Oct 17, 7:36 AM PDT | Flash Flood Warning | STO | Amador, Calaveras, El Dorado, San Joaquin, Stanislaus | 3 hr |
| Oct 18, 1:26 AM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
| Oct 18, 2:48 AM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
| Oct 18, 8:06 AM PDT | Flash Flood Warning | VEF | Inyo, San Bernardino | 4 hr |
| Oct 18, 8:45 AM PDT | Flash Flood Warning | REV | Mono | 3 hr |
| Oct 18, 11:50 AM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
| Oct 18, 12:25 PM PDT | Flash Flood Warning | VEF | Inyo, San Bernardino | 3 hr |
| Oct 18, 2:30 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Oct 18, 2:46 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Oct 18, 3:07 PM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
| Oct 18, 3:35 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Oct 18, 3:58 PM PDT | Flash Flood Warning | STO | Solano, Yolo | 3 hr |
| Oct 18, 4:17 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Oct 18, 6:58 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Oct 18, 7:18 PM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
| Oct 18, 10:11 PM PDT | Flash Flood Warning | VEF | Inyo | 4 hr |
| Nov 2, 1:28 PM PST | Flash Flood Warning | STO | Colusa, Lake, Yolo | 3 hr |
| Nov 2, 10:51 PM PST | Flash Flood Warning | HNX | Fresno | 3 hr |
| Dec 22, 12:35 PM PST | Flash Flood Warning | HNX | Kern, Tulare | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- San Bernardino County75
- Inyo County33
- Los Angeles County24
- Riverside County20
- Kern County16
- Ventura County14
- San Diego County11
- Mono County10
- Alpine County9
- Santa Barbara County8
- San Luis Obispo County5
- Sierra County5
- Fresno County4
- Nevada County4
- El Dorado County4
- Madera County4
- Siskiyou County4
- Orange County3
- Plumas County3
- Mariposa County3
- Lassen County2
- Imperial County2
- Placer County2
- Tuolumne County2
- Yolo County2
- Modoc County1
- Kings County1
- Trinity County1
- Amador County1
- Calaveras County1
- San Joaquin County1
- Stanislaus County1
- Solano County1
- Colusa County1
- Lake County1
- Tulare County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20142016
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.