Alert archive / California / Flash Flood Warnings / 2017
Flash Flood Warnings in California, February 2017
57 flash flood warnings in February 2017. 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 February 2017. Tap one for its archive.
- Flash Flood Warnings
- 57
- Busiest day
- February 7, 201712 flash flood warnings
Over time
By day
Days in UTC, the clock the archive keeps.
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 3, 11:38 AM PST | Flash Flood Warning | HNX | Mariposa | 3 hr |
| Feb 7, 7:09 AM PST | Flash Flood Warning | MTR | Marin | 4 hr |
| Feb 7, 7:15 AM PST | Flash Flood Warning | MTR | Napa | 6 hr |
| Feb 7, 7:34 AM PST | Flash Flood Warning | MTR | Santa Cruz | 8 hr |
| Feb 7, 9:33 AM PST | Flash Flood Warning | MTR | Alameda | 8 hr |
| Feb 7, 9:55 AM PST | Flash Flood Warning | MTR | Santa Clara | 8 hr |
| Feb 7, 10:22 AM PST | Flash Flood Warning | MTR | San Benito, Santa Clara | 12 hr |
| Feb 7, 10:47 AM PST | Flash Flood Warning | MTR | San Mateo, Santa Clara | 3 hr |
| Feb 7, 11:30 AM PST | Flash Flood Warning | MTR | Santa Cruz | 6 hr |
| Feb 7, 11:56 AM PST | Flash Flood Warning | HNX | Fresno, Madera, Mariposa, Merced, Tulare, Tuolumne | 109 min |
| Feb 7, 11:59 AM PST | Flash Flood Warning | MTR | Monterey | 4 hr |
| Feb 7, 1:49 PM PST | Flash Flood Warning | HNX | Fresno, Madera, Mariposa, Merced, Tulare, Tuolumne | 3 hr |
| Feb 7, 2:44 PM PST | Flash Flood Warning | HNX | Madera | 24 hr |
| Feb 7, 4:08 PM PST | Flash Flood Warning | HNX | Tulare | 112 min |
| Feb 7, 5:27 PM PST | Flash Flood Warning | MTR | Alameda | 2 hr |
| Feb 9, 11:41 AM PST | Flash Flood Warning | MTR | Marin, Sonoma | 7 hr |
| Feb 9, 12:15 PM PST | Flash Flood Warning | MTR | Marin | 6 hr |
| Feb 9, 12:27 PM PST | Flash Flood Warning | MTR | Sonoma | 6 hr |
| Feb 9, 12:40 PM PST | Flash Flood Warning | MTR | Sonoma | 5 hr |
| Feb 9, 1:21 PM PST | Flash Flood Warning | MTR | Napa | 5 hr |
| Feb 10, 10:18 PM PST | Flash Flood Warning | HNX | Mariposa, Merced | 28 hr |
| Feb 11, 2:08 PM PST | Flash Flood Warning | HNX | Kern | 67 min |
| Feb 11, 2:34 PM PST | Flash Flood Warning | LOX | Los Angeles | 3 hr |
| Feb 12, 2:12 AM PST | Flash Flood Warning | HNX | Mariposa, Merced | 8 hr |
| Feb 12, 4:35 PM PST | Flash Flood Warning | STO | Butte | 46 hr |
| Feb 17, 12:33 PM PST | Flash Flood Warning | LOX | Santa Barbara | 3 hr |
| Feb 17, 1:16 PM PST | Flash Flood Warning | LOX | Ventura | 3 hr |
| Feb 17, 1:51 PM PST | Flash Flood Warning | HNX | Kern | 6 hr |
| Feb 17, 2:23 PM PST | Flash Flood Warning | LOX | Los Angeles | 3 hr |
| Feb 17, 3:33 PM PST | Flash Flood Warning | HNX | Kern | 6 hr |
| Feb 17, 3:56 PM PST | Flash Flood Warning | LOX | Ventura | 3 hr |
| Feb 17, 4:16 PM PST | Flash Flood Warning | HNX | Kern | 3 hr |
| Feb 17, 5:02 PM PST | Flash Flood Warning | LOX | Ventura | 5 hr |
| Feb 17, 5:10 PM PST | Flash Flood Warning | LOX | Los Angeles | 3 hr |
| Feb 17, 5:12 PM PST | Flash Flood Warning | SGX | Orange, Riverside, San Bernardino | 4 hr |
| Feb 17, 6:21 PM PST | Flash Flood Warning | SGX | San Bernardino | 4 hr |
| Feb 17, 7:03 PM PST | Flash Flood Warning | HNX | Kern | 2 hr |
| Feb 20, 4:23 AM PST | Flash Flood Warning | MTR | Monterey | 3 hr |
| Feb 20, 7:07 AM PST | Flash Flood Warning | MTR | Monterey | 6 hr |
| Feb 20, 7:40 AM PST | Flash Flood Warning | MTR | Santa Cruz | 6 hr |
| Feb 20, 8:14 AM PST | Flash Flood Warning | MTR | Marin, Sonoma | 4 hr |
| Feb 20, 8:56 AM PST | Flash Flood Warning | MTR | San Benito | 6 hr |
| Feb 20, 9:04 AM PST | Flash Flood Warning | MTR | Santa Cruz | 6 hr |
| Feb 20, 10:13 AM PST | Flash Flood Warning | MTR | San Benito, Santa Clara | 6 hr |
| Feb 20, 10:26 AM PST | Flash Flood Warning | MTR | Alameda | 6 hr |
| Feb 20, 4:13 PM PST | Flash Flood Warning | MTR | San Benito, Santa Clara | 6 hr |
| Feb 20, 4:34 PM PST | Flash Flood Warning | MTR | Alameda | 116 min |
| Feb 20, 5:03 PM PST | Flash Flood Warning | MTR | Santa Clara | 87 min |
| Feb 20, 5:29 PM PST | Flash Flood Warning | MTR | San Mateo | 2 hr |
| Feb 20, 6:02 PM PST | Flash Flood Warning | MTR | Santa Cruz | 4 hr |
| Feb 20, 6:36 PM PST | Flash Flood Warning | MTR | Alameda | 4 hr |
| Feb 20, 6:54 PM PST | Flash Flood Warning | MTR | Alameda | 3 hr |
| Feb 20, 7:17 PM PST | Flash Flood Warning | MTR | San Mateo | 3 hr |
| Feb 20, 7:45 PM PST | Flash Flood Warning | STO | San Joaquin | 12 hr |
| Feb 20, 10:00 PM PST | Flash Flood Warning | MTR | Santa Cruz | 4 hr |
| Feb 20, 10:01 PM PST | Flash Flood Warning | MTR | Alameda | 3 hr |
| Feb 20, 10:15 PM PST | Flash Flood Warning | MTR | San Mateo | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Alameda County7
- Santa Cruz County6
- Santa Clara County6
- Mariposa County5
- Kern County5
- Marin County4
- San Benito County4
- San Mateo County4
- Merced County4
- Sonoma County4
- Madera County3
- Tulare County3
- Monterey County3
- Los Angeles County3
- Ventura County3
- Napa County2
- Fresno County2
- Tuolumne County2
- San Bernardino County2
- Butte County1
- Santa Barbara County1
- Orange County1
- Riverside County1
- San Joaquin County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.