Alert archive / California / Flash Flood Warnings / 2012
Flash Flood Warnings in California, September 2012
26 flash flood warnings in September 2012. 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 September 2012. Tap one for its archive.
- Flash Flood Warnings
- 26
- Busiest day
- September 10, 20128 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 |
|---|---|---|---|---|
| Sep 3, 4:23 PM PDT | Flash Flood Warning | PSR | Riverside | 112 min |
| Sep 3, 7:42 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Sep 4, 1:55 PM PDT | Flash Flood Warning | PSR | Riverside, San Bernardino | 95 min |
| Sep 4, 2:00 PM PDT | Flash Flood Warning | VEF | San Bernardino | 65 min |
| Sep 4, 3:44 PM PDT | Flash Flood Warning | VEF | San Bernardino | 2 hr |
| Sep 4, 3:59 PM PDT | Flash Flood Warning | SGX | San Diego | 81 min |
| Sep 4, 4:09 PM PDT | Flash Flood Warning | PSR | Imperial | 92 min |
| Sep 5, 5:00 PM PDT | Flash Flood Warning | VEF | San Bernardino | 2 hr |
| Sep 9, 2:44 PM PDT | Flash Flood Warning | SGX | Orange, Riverside | 3 hr |
| Sep 9, 5:22 PM PDT | Flash Flood Warning | LOX | Los Angeles | 3 hr |
| Sep 9, 5:30 PM PDT | Flash Flood Warning | SGX | San Diego | 104 min |
| Sep 9, 8:10 PM PDT | Flash Flood Warning | PSR | Imperial | 3 hr |
| Sep 10, 1:29 PM PDT | Flash Flood Warning | SGX | San Bernardino | 3 hr |
| Sep 10, 2:38 PM PDT | Flash Flood Warning | LOX | Ventura | 3 hr |
| Sep 10, 2:42 PM PDT | Flash Flood Warning | SGX | San Diego | 93 min |
| Sep 10, 2:59 PM PDT | Flash Flood Warning | SGX | San Bernardino | 2 hr |
| Sep 10, 3:40 PM PDT | Flash Flood Warning | LOX | Los Angeles | 3 hr |
| Sep 10, 6:00 PM PDT | Flash Flood Warning | VEF | San Bernardino | 2 hr |
| Sep 11, 1:20 PM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
| Sep 11, 2:03 PM PDT | Flash Flood Warning | VEF | Inyo | 117 min |
| Sep 11, 3:57 PM PDT | Flash Flood Warning | VEF | San Bernardino | 2 hr |
| Sep 11, 4:02 PM PDT | Flash Flood Warning | VEF | Inyo | 57 min |
| Sep 11, 5:43 PM PDT | Flash Flood Warning | VEF | San Bernardino | 2 hr |
| Sep 11, 6:41 PM PDT | Flash Flood Warning | VEF | Inyo | 2 hr |
| Sep 11, 7:54 PM PDT | Flash Flood Warning | VEF | Inyo | 71 min |
| Sep 11, 11:02 PM PDT | Flash Flood Warning | VEF | San Bernardino | 118 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.