Alert archive / California / Areal Flood Warnings
Areal Flood Warnings in California, 2012
16 areal flood warnings in 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 areal flood warnings reaches back to 2005.
Areal Flood Warnings by county
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Areal Flood Warnings
- 16
- Busiest month
- December10 areal flood warnings
- Busiest day
- December 2, 20129 areal 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 |
|---|---|---|---|---|
| Jul 30, 7:31 PM PDT | Areal Flood Warning | PSR | Imperial | 15 hr |
| Aug 30, 1:44 PM PDT | Areal Flood Warning | PSR | Imperial | 4 hr |
| Nov 29, 11:17 AM PST | Areal Flood Warning | MFR | Siskiyou | 8 hr |
| Nov 29, 3:23 PM PST | Areal Flood Warning | STO | Butte, Colusa, Glenn, Lake, Lassen, Nevada and 7 more | 14 hr |
| Nov 29, 6:26 PM PST | Areal Flood Warning | EKA | Del Norte | 3 hr |
| Nov 30, 9:54 AM PST | Areal Flood Warning | STO | Shasta | 6 hr |
| Dec 1, 7:11 PM PST | Areal Flood Warning | EKA | Del Norte, Humboldt | 12 hr |
| Dec 1, 8:44 PM PST | Areal Flood Warning | EKA | Mendocino | 10 hr |
| Dec 1, 8:49 PM PST | Areal Flood Warning | EKA | Mendocino | 10 hr |
| Dec 2, 4:23 AM PST | Areal Flood Warning | STO | Shasta, Tehama | 6 hr |
| Dec 2, 5:36 AM PST | Areal Flood Warning | REV | El Dorado, Lassen, Nevada, Placer, Plumas, Sierra | 7 hr |
| Dec 2, 6:52 AM PST | Areal Flood Warning | EKA | Del Norte, Humboldt | 3 hr |
| Dec 2, 6:56 AM PST | Areal Flood Warning | EKA | Mendocino | 3 hr |
| Dec 2, 6:58 AM PST | Areal Flood Warning | EKA | Mendocino | 3 hr |
| Dec 2, 10:01 AM PST | Areal Flood Warning | STO | Butte, Colusa, Glenn, Lake, Nevada, Placer and 7 more | 21 hr |
| Dec 23, 7:30 PM PST | Areal Flood Warning | MTR | San Mateo, Santa Clara | 105 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Shasta County4
- Mendocino County4
- Nevada County3
- Plumas County3
- Sierra County3
- Tehama County3
- Del Norte County3
- Imperial County2
- Butte County2
- Colusa County2
- Glenn County2
- Lake County2
- Lassen County2
- Sutter County2
- Yolo County2
- Yuba County2
- Humboldt County2
- Placer County2
- Siskiyou County1
- El Dorado County1
- San Mateo County1
- Santa Clara County1
The busiest days
Days with the most alerts issued, by UTC date.
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. Warning verification from the Mesonet's Cow. Rebuilt daily.