Alert archive / California / Flash Flood Warnings
Flash Flood Warnings in California, 2019
175 flash flood warnings in 2019. 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 2019. Tap one for its archive.
- Flash Flood Warnings
- 175
- Busiest month
- July34 flash flood warnings
- Busiest day
- February 14, 201915 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 |
|---|---|---|---|---|
| Jan 5, 7:14 PM PST | Flash Flood Warning | LOX | Ventura | 2 hr |
| Jan 5, 7:43 PM PST | Flash Flood Warning | LOX | Los Angeles, Ventura | 2 hr |
| Jan 5, 9:40 PM PST | Flash Flood Warning | LOX | Los Angeles | 107 min |
| Jan 15, 8:29 PM PST | Flash Flood Warning | SGX | Orange | 3 hr |
| Jan 16, 3:24 PM PST | Flash Flood Warning | MTR | Sonoma | 111 min |
| Jan 16, 3:46 PM PST | Flash Flood Warning | MTR | Sonoma | 95 min |
| Jan 16, 5:50 PM PST | Flash Flood Warning | HNX | Mariposa, Tuolumne | 8 hr |
| Jan 16, 6:22 PM PST | Flash Flood Warning | MTR | Sonoma | 4 hr |
| Jan 16, 7:40 PM PST | Flash Flood Warning | MTR | Napa, Sonoma | 52 min |
| Jan 17, 1:42 AM PST | Flash Flood Warning | LOX | San Luis Obispo, Santa Barbara | 78 min |
| Jan 17, 1:47 AM PST | Flash Flood Warning | HNX | Mariposa, Tuolumne | 6 hr |
| Jan 17, 3:51 AM PST | Flash Flood Warning | LOX | Ventura | 3 hr |
| Jan 17, 4:30 AM PST | Flash Flood Warning | LOX | Santa Barbara | 3 hr |
| Jan 17, 6:38 AM PST | Flash Flood Warning | VEF | Inyo | 3 hr |
| Jan 17, 8:11 AM PST | Flash Flood Warning | STO | Butte | 3 hr |
| Jan 17, 10:36 AM PST | Flash Flood Warning | SGX | Riverside, San Bernardino | 3 hr |
| Jan 17, 11:22 AM PST | Flash Flood Warning | SGX | Riverside | 3 hr |
| Jan 20, 1:41 PM PST | Flash Flood Warning | STO | Butte | 4 hr |
| Feb 2, 7:19 AM PST | Flash Flood Warning | LOX | Santa Barbara | 86 min |
| Feb 2, 8:15 AM PST | Flash Flood Warning | LOX | Santa Barbara | 3 hr |
| Feb 2, 9:32 AM PST | Flash Flood Warning | LOX | Ventura | 3 hr |
| Feb 2, 10:05 AM PST | Flash Flood Warning | LOX | Los Angeles, Ventura | 5 hr |
| Feb 2, 1:30 PM PST | Flash Flood Warning | SGX | Orange | 3 hr |
| Feb 2, 2:17 PM PST | Flash Flood Warning | SGX | Orange, Riverside | 3 hr |
| Feb 2, 2:35 PM PST | Flash Flood Warning | SGX | Riverside, San Diego | 3 hr |
| Feb 2, 6:18 PM PST | Flash Flood Warning | VEF | San Bernardino | 4 hr |
| Feb 4, 9:27 AM PST | Flash Flood Warning | LOX | Los Angeles, Ventura | 2 hr |
| Feb 14, 5:41 AM PST | Flash Flood Warning | SGX | Orange, Riverside | 5 hr |
| Feb 14, 7:36 AM PST | Flash Flood Warning | VEF | San Bernardino | 8 hr |
| Feb 14, 7:50 AM PST | Flash Flood Warning | SGX | Riverside, San Bernardino | 3 hr |
| Feb 14, 8:08 AM PST | Flash Flood Warning | SGX | Riverside | 3 hr |
| Feb 14, 8:56 AM PST | Flash Flood Warning | SGX | San Diego | 3 hr |
| Feb 14, 9:11 AM PST | Flash Flood Warning | STO | Amador, Calaveras, El Dorado | 3 hr |
| Feb 14, 9:51 AM PST | Flash Flood Warning | SGX | Riverside | 3 hr |
| Feb 14, 10:16 AM PST | Flash Flood Warning | SGX | San Diego | 3 hr |
| Feb 14, 10:39 AM PST | Flash Flood Warning | PSR | Riverside | 4 hr |
| Feb 14, 10:49 AM PST | Flash Flood Warning | SGX | Orange, Riverside | 3 hr |
| Feb 14, 10:52 AM PST | Flash Flood Warning | STO | Calaveras, Tuolumne | 3 hr |
| Feb 14, 10:59 AM PST | Flash Flood Warning | SGX | Riverside | 3 hr |
| Feb 14, 11:06 AM PST | Flash Flood Warning | VEF | Inyo | 3 hr |
| Feb 14, 12:04 PM PST | Flash Flood Warning | HNX | Mariposa, Tuolumne | 86 min |
| Feb 14, 12:48 PM PST | Flash Flood Warning | SGX | Riverside, San Diego | 3 hr |
| Mar 2, 3:52 PM PST | Flash Flood Warning | HNX | Fresno | 53 min |
| Mar 2, 4:45 PM PST | Flash Flood Warning | HNX | Fresno, Tulare | 60 min |
| Mar 5, 9:07 PM PST | Flash Flood Warning | LOX | Santa Barbara, Ventura | 83 min |
| Mar 6, 1:36 AM PST | Flash Flood Warning | VEF | Inyo, San Bernardino | 6 hr |
| Mar 6, 1:53 AM PST | Flash Flood Warning | VEF | Inyo | 9 hr |
| Mar 6, 3:17 AM PST | Flash Flood Warning | HNX | Kern | 4 hr |
| Mar 6, 7:39 AM PST | Flash Flood Warning | VEF | Inyo | 3 hr |
| Mar 6, 8:00 AM PST | Flash Flood Warning | HNX | Kern | 3 hr |
| Mar 6, 4:14 PM PST | Flash Flood Warning | HNX | Mariposa, Tuolumne | 3 hr |
| Mar 6, 4:47 PM PST | Flash Flood Warning | HNX | Kern | 3 hr |
| Mar 6, 4:56 PM PST | Flash Flood Warning | HNX | Kern | 3 hr |
| Mar 6, 5:35 PM PST | Flash Flood Warning | HNX | Kern | 3 hr |
| Mar 20, 7:31 PM PDT | Flash Flood Warning | HNX | Tulare | 79 min |
| Mar 20, 7:38 PM PDT | Flash Flood Warning | HNX | Tulare | 2 hr |
| Mar 27, 5:01 PM PDT | Flash Flood Warning | STO | Shasta | 3 hr |
| Mar 27, 8:06 PM PDT | Flash Flood Warning | STO | Shasta | 12 hr |
| Apr 2, 7:06 PM PDT | Flash Flood Warning | STO | Butte | 3 hr |
| May 9, 2:13 PM PDT | Flash Flood Warning | HNX | Mariposa, Tuolumne | 6 hr |
| May 9, 5:45 PM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
| May 9, 6:19 PM PDT | Flash Flood Warning | VEF | Inyo, San Bernardino | 3 hr |
| May 9, 8:06 PM PDT | Flash Flood Warning | HNX | Tulare | 3 hr |
| May 9, 8:53 PM PDT | Flash Flood Warning | HNX | Tulare | 3 hr |
| May 9, 9:14 PM PDT | Flash Flood Warning | VEF | Inyo, San Bernardino | 3 hr |
| May 9, 10:12 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| May 10, 8:41 AM PDT | Flash Flood Warning | HNX | Kern | 64 min |
| May 23, 3:04 PM PDT | Flash Flood Warning | STO | Nevada, Placer | 3 hr |
| May 24, 9:10 PM PDT | Flash Flood Warning | MFR | Modoc | 3 hr |
| May 24, 9:19 PM PDT | Flash Flood Warning | REV | Lassen, Modoc | 3 hr |
| May 24, 9:50 PM PDT | Flash Flood Warning | STO | Butte | 115 min |
| May 25, 3:14 PM PDT | Flash Flood Warning | LOX | Santa Barbara, Ventura | 3 hr |
| May 25, 4:02 PM PDT | Flash Flood Warning | HNX | Kern | 3 hr |
| May 25, 4:16 PM PDT | Flash Flood Warning | HNX | Kern | 77 min |
| May 29, 3:24 PM PDT | Flash Flood Warning | LOX | Ventura | 51 min |
| May 29, 4:17 PM PDT | Flash Flood Warning | LOX | Santa Barbara, Ventura | 118 min |
| May 29, 6:14 PM PDT | Flash Flood Warning | LOX | Santa Barbara | 61 min |
| May 29, 6:54 PM PDT | Flash Flood Warning | HNX | Mariposa, Tuolumne | 2 hr |
| May 30, 3:53 PM PDT | Flash Flood Warning | STO | Lake | 3 hr |
| May 30, 4:12 PM PDT | Flash Flood Warning | STO | Butte | 6 hr |
| May 31, 5:18 PM PDT | Flash Flood Warning | LOX | San Luis Obispo | 57 min |
| Jun 1, 1:27 PM PDT | Flash Flood Warning | HNX | Mariposa, Tuolumne | 3 hr |
| Jun 1, 5:14 PM PDT | Flash Flood Warning | HNX | Kern | 3 hr |
| Jun 1, 6:44 PM PDT | Flash Flood Warning | HNX | Kern, Kings | 61 min |
| Jun 1, 7:03 PM PDT | Flash Flood Warning | HNX | Fresno, Kings | 57 min |
| Jun 1, 8:02 PM PDT | Flash Flood Warning | HNX | Fresno, Kings | 58 min |
| Jun 2, 2:37 PM PDT | Flash Flood Warning | HNX | Mariposa, Tuolumne | 3 hr |
| Jun 2, 2:38 PM PDT | Flash Flood Warning | LOX | San Luis Obispo, Santa Barbara | 3 hr |
| Jun 2, 3:38 PM PDT | Flash Flood Warning | HNX | Kern | 97 min |
| Jun 2, 6:10 PM PDT | Flash Flood Warning | HNX | Fresno | 79 min |
| Jun 5, 4:31 PM PDT | Flash Flood Warning | LOX | San Luis Obispo, Santa Barbara | 74 min |
| Jun 16, 2:58 PM PDT | Flash Flood Warning | REV | Mono | 92 min |
| Jun 16, 4:30 PM PDT | Flash Flood Warning | REV | Mono | 2 hr |
| Jul 13, 3:05 PM PDT | Flash Flood Warning | SGX | San Diego | 61 min |
| Jul 22, 3:07 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 22, 3:26 PM PDT | Flash Flood Warning | PSR | San Bernardino | 3 hr |
| Jul 23, 2:36 PM PDT | Flash Flood Warning | PSR | Riverside | 4 hr |
| Jul 23, 2:46 PM PDT | Flash Flood Warning | SGX | San Diego | 3 hr |
| Jul 23, 3:35 PM PDT | Flash Flood Warning | PSR | Riverside | 3 hr |
| Jul 23, 3:38 PM PDT | Flash Flood Warning | SGX | San Diego | 2 hr |
| Jul 23, 4:17 PM PDT | Flash Flood Warning | SGX | Riverside | 2 hr |
| Jul 23, 5:16 PM PDT | Flash Flood Warning | SGX | Riverside | 77 min |
| Jul 23, 6:19 PM PDT | Flash Flood Warning | PSR | Imperial | 4 hr |
| Jul 24, 10:37 AM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 24, 1:00 PM PDT | Flash Flood Warning | SGX | San Diego | 89 min |
| Jul 24, 1:52 PM PDT | Flash Flood Warning | SGX | Riverside, San Diego | 3 hr |
| Jul 24, 2:19 PM PDT | Flash Flood Warning | LOX | Ventura | 86 min |
| Jul 24, 2:48 PM PDT | Flash Flood Warning | HNX | Tulare | 117 min |
| Jul 24, 3:14 PM PDT | Flash Flood Warning | SGX | San Diego | 2 hr |
| Jul 24, 3:19 PM PDT | Flash Flood Warning | LOX | Santa Barbara, Ventura | 86 min |
| Jul 24, 3:40 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 24, 4:04 PM PDT | Flash Flood Warning | SGX | San Diego | 87 min |
| Jul 24, 5:00 PM PDT | Flash Flood Warning | HNX | Madera | 60 min |
| Jul 25, 1:12 AM PDT | Flash Flood Warning | PSR | San Bernardino | 4 hr |
| Jul 25, 2:20 PM PDT | Flash Flood Warning | PSR | Riverside, San Bernardino | 4 hr |
| Jul 25, 2:24 PM PDT | Flash Flood Warning | HNX | Fresno | 96 min |
| Jul 25, 2:42 PM PDT | Flash Flood Warning | VEF | San Bernardino | 7 hr |
| Jul 25, 2:47 PM PDT | Flash Flood Warning | HNX | Madera, Tuolumne | 88 min |
| Jul 25, 3:29 PM PDT | Flash Flood Warning | PSR | Imperial | 3 hr |
| Jul 25, 3:31 PM PDT | Flash Flood Warning | VEF | San Bernardino | 119 min |
| Jul 25, 3:39 PM PDT | Flash Flood Warning | HNX | Mariposa, Tuolumne | 96 min |
| Jul 25, 4:40 PM PDT | Flash Flood Warning | PSR | Riverside, San Bernardino | 3 hr |
| Jul 25, 4:41 PM PDT | Flash Flood Warning | HNX | Madera | 94 min |
| Jul 25, 4:43 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 25, 5:18 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 25, 5:30 PM PDT | Flash Flood Warning | REV | Alpine | 82 min |
| Jul 25, 6:02 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 7, 1:41 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 7, 3:06 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 7, 4:16 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 8, 12:43 PM PDT | Flash Flood Warning | REV | Mono | 77 min |
| Sep 1, 11:10 PM PDT | Flash Flood Warning | PSR | Riverside | 4 hr |
| Sep 2, 1:35 AM PDT | Flash Flood Warning | SGX | Riverside, San Bernardino, San Diego | 3 hr |
| Sep 2, 3:38 AM PDT | Flash Flood Warning | PSR | Riverside | 6 hr |
| Sep 2, 1:38 PM PDT | Flash Flood Warning | SGX | Riverside, San Diego | 3 hr |
| Sep 2, 2:38 PM PDT | Flash Flood Warning | SGX | Riverside | 3 hr |
| Sep 2, 2:44 PM PDT | Flash Flood Warning | LOX | Ventura | 89 min |
| Sep 2, 3:26 PM PDT | Flash Flood Warning | SGX | San Diego | 59 min |
| Sep 3, 3:32 PM PDT | Flash Flood Warning | SGX | San Diego | 2 hr |
| Sep 4, 1:48 PM PDT | Flash Flood Warning | SGX | San Diego | 94 min |
| Sep 4, 3:11 PM PDT | Flash Flood Warning | PSR | Riverside | 4 hr |
| Sep 4, 3:18 PM PDT | Flash Flood Warning | SGX | Riverside, San Diego | 65 min |
| Sep 4, 8:06 PM PDT | Flash Flood Warning | PSR | Imperial | 4 hr |
| Sep 5, 2:38 PM PDT | Flash Flood Warning | VEF | San Bernardino | 112 min |
| Sep 5, 2:41 PM PDT | Flash Flood Warning | SGX | San Bernardino | 3 hr |
| Sep 23, 8:46 PM PDT | Flash Flood Warning | VEF | San Bernardino | 4 hr |
| Sep 23, 9:41 PM PDT | Flash Flood Warning | PSR | Imperial | 4 hr |
| Sep 23, 11:26 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Sep 23, 11:35 PM PDT | Flash Flood Warning | PSR | Riverside | 4 hr |
| Sep 23, 11:58 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Sep 25, 3:36 PM PDT | Flash Flood Warning | PSR | Imperial | 4 hr |
| Sep 25, 4:00 PM PDT | Flash Flood Warning | PSR | Imperial | 4 hr |
| Sep 25, 5:04 PM PDT | Flash Flood Warning | PSR | Imperial | 2 hr |
| Sep 25, 7:04 PM PDT | Flash Flood Warning | PSR | Imperial | 4 hr |
| Sep 25, 8:01 PM PDT | Flash Flood Warning | PSR | Imperial | 4 hr |
| Sep 26, 12:29 PM PDT | Flash Flood Warning | PSR | Riverside | 4 hr |
| Sep 26, 3:03 PM PDT | Flash Flood Warning | PSR | Riverside | 4 hr |
| Sep 26, 3:49 PM PDT | Flash Flood Warning | SGX | San Diego | 2 hr |
| Nov 19, 4:22 PM PST | Flash Flood Warning | SGX | San Diego | 3 hr |
| Nov 19, 8:07 PM PST | Flash Flood Warning | PSR | Imperial, Riverside | 4 hr |
| Nov 19, 8:20 PM PST | Flash Flood Warning | PSR | Imperial, Riverside | 4 hr |
| Nov 19, 9:09 PM PST | Flash Flood Warning | VEF | San Bernardino | 6 hr |
| Nov 19, 11:09 PM PST | Flash Flood Warning | PSR | Imperial, Riverside, San Bernardino | 5 hr |
| Nov 19, 11:17 PM PST | Flash Flood Warning | PSR | Riverside | 4 hr |
| Nov 19, 11:33 PM PST | Flash Flood Warning | PSR | Imperial | 4 hr |
| Nov 20, 2:46 AM PST | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Nov 28, 8:34 AM PST | Flash Flood Warning | SGX | Orange | 3 hr |
| Nov 28, 9:22 AM PST | Flash Flood Warning | SGX | San Diego | 3 hr |
| Nov 28, 3:41 PM PST | Flash Flood Warning | PSR | Imperial, Riverside | 4 hr |
| Nov 28, 5:39 PM PST | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Nov 28, 5:54 PM PST | Flash Flood Warning | PSR | Imperial | 4 hr |
| Nov 28, 6:52 PM PST | Flash Flood Warning | PSR | Imperial, Riverside | 8 hr |
| Nov 28, 6:59 PM PST | Flash Flood Warning | PSR | Imperial | 6 hr |
| Dec 25, 7:19 PM PST | Flash Flood Warning | LOX | Santa Barbara | 86 min |
| Dec 26, 8:35 AM PST | Flash Flood Warning | PSR | Imperial, Riverside | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Riverside County36
- San Bernardino County33
- San Diego County20
- Imperial County18
- Ventura County13
- Santa Barbara County12
- Tuolumne County11
- Kern County11
- Mariposa County9
- Inyo County8
- Orange County6
- Fresno County6
- Tulare County6
- Butte County5
- Los Angeles County4
- Sonoma County4
- San Luis Obispo County4
- Kings County3
- Mono County3
- Madera County3
- Calaveras County2
- Shasta County2
- Modoc County2
- Napa County1
- Amador County1
- El Dorado County1
- Nevada County1
- Placer County1
- Lassen County1
- Lake County1
- Alpine County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.