Alert archive / California / Flash Flood Warnings / 2014
Flash Flood Warnings in California, December 2014
39 flash flood warnings in December 2014. 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 December 2014. Tap one for its archive.
- Flash Flood Warnings
- 39
- Busiest day
- December 12, 201417 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 |
|---|---|---|---|---|
| Dec 2, 2:56 PM PST | Flash Flood Warning | SGX | San Bernardino | 4 hr |
| Dec 3, 4:17 PM PST | Flash Flood Warning | STO | El Dorado, Nevada, Placer | 3 hr |
| Dec 3, 4:56 PM PST | Flash Flood Warning | STO | El Dorado, Placer, Sacramento | 5 hr |
| Dec 3, 7:20 PM PST | Flash Flood Warning | STO | El Dorado, Nevada, Placer | 3 hr |
| Dec 4, 5:30 AM PST | Flash Flood Warning | SGX | Riverside | 3 hr |
| Dec 6, 2:10 AM PST | Flash Flood Warning | STO | Tehama | 6 hr |
| Dec 11, 7:15 AM PST | Flash Flood Warning | MTR | Marin, Sonoma | 3 hr |
| Dec 11, 7:48 AM PST | Flash Flood Warning | MTR | Napa, Sonoma | 3 hr |
| Dec 11, 8:00 AM PST | Flash Flood Warning | MTR | City and County of San Francisco, San Mateo | 90 min |
| Dec 11, 8:16 AM PST | Flash Flood Warning | MTR | Alameda, Contra Costa, San Mateo, Santa Clara, Santa Cruz | 3 hr |
| Dec 11, 9:00 AM PST | Flash Flood Warning | MTR | Napa, Sonoma | 7 hr |
| Dec 11, 9:22 AM PST | Flash Flood Warning | MTR | Alameda, Contra Costa, Santa Clara, Santa Cruz | 3 hr |
| Dec 11, 9:39 AM PST | Flash Flood Warning | STO | El Dorado, Placer | 12 hr |
| Dec 11, 10:15 AM PST | Flash Flood Warning | MTR | Marin, Napa, Sonoma | 90 min |
| Dec 11, 10:42 AM PST | Flash Flood Warning | MTR | Monterey, Santa Clara, Santa Cruz | 3 hr |
| Dec 11, 10:43 AM PST | Flash Flood Warning | MTR | Napa, Sonoma | 92 min |
| Dec 11, 2:21 PM PST | Flash Flood Warning | MTR | San Mateo, Santa Clara, Santa Cruz | 54 min |
| Dec 11, 2:23 PM PST | Flash Flood Warning | MTR | Monterey | 3 hr |
| Dec 11, 5:51 PM PST | Flash Flood Warning | MTR | Monterey | 4 hr |
| Dec 11, 6:45 PM PST | Flash Flood Warning | MTR | Monterey | 2 hr |
| Dec 11, 8:42 PM PST | Flash Flood Warning | MTR | Monterey | 2 hr |
| Dec 11, 9:22 PM PST | Flash Flood Warning | STO | El Dorado, Placer | 6 hr |
| Dec 11, 9:43 PM PST | Flash Flood Warning | MTR | Monterey | 2 hr |
| Dec 11, 10:17 PM PST | Flash Flood Warning | LOX | San Luis Obispo, Santa Barbara | 118 min |
| Dec 11, 10:43 PM PST | Flash Flood Warning | MTR | Monterey | 6 hr |
| Dec 11, 11:04 PM PST | Flash Flood Warning | LOX | San Luis Obispo, Santa Barbara | 86 min |
| Dec 12, 12:12 AM PST | Flash Flood Warning | LOX | Santa Barbara | 2 hr |
| Dec 12, 12:56 AM PST | Flash Flood Warning | LOX | Ventura | 9 hr |
| Dec 12, 1:38 AM PST | Flash Flood Warning | LOX | Ventura | 112 min |
| Dec 12, 2:40 AM PST | Flash Flood Warning | LOX | Los Angeles, Ventura | 3 hr |
| Dec 12, 3:38 AM PST | Flash Flood Warning | LOX | Los Angeles | 4 hr |
| Dec 12, 4:41 AM PST | Flash Flood Warning | SGX | Orange | 9 hr |
| Dec 12, 6:48 AM PST | Flash Flood Warning | LOX | Los Angeles | 3 hr |
| Dec 12, 7:22 AM PST | Flash Flood Warning | LOX | Los Angeles | 3 hr |
| Dec 12, 8:19 AM PST | Flash Flood Warning | LOX | Los Angeles | 3 hr |
| Dec 15, 10:47 PM PST | Flash Flood Warning | MTR | Monterey | 118 min |
| Dec 16, 4:53 PM PST | Flash Flood Warning | LOX | Los Angeles | 112 min |
| Dec 17, 12:30 AM PST | Flash Flood Warning | LOX | Ventura | 3 hr |
| Dec 17, 4:10 AM PST | Flash Flood Warning | LOX | Los Angeles | 110 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Monterey County8
- Los Angeles County7
- El Dorado County5
- Placer County5
- Sonoma County5
- Napa County4
- Santa Clara County4
- Santa Cruz County4
- Ventura County4
- San Mateo County3
- Santa Barbara County3
- Nevada County2
- Marin County2
- Alameda County2
- Contra Costa County2
- San Luis Obispo County2
- San Bernardino County1
- Sacramento County1
- Riverside County1
- Tehama County1
- City and County of San Francisco1
- Orange County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20132015
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.