Alert archive / California / Freeze Warnings / 2011
Freeze Warnings in California, February 2011
9 freeze warnings in February 2011. 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 freeze warnings reaches back to 2005.
Freeze Warnings by county
Each county as a circle sized by its count in February 2011. Tap one for its archive.
- Freeze Warnings
- 9
- Busiest day
- February 26, 20113 freeze 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 1, 3:21 AM PST | Freeze Warning | PSR | 54 hr | |
| Feb 2, 3:26 AM PST | Freeze Warning | PSR | 54 hr | |
| Feb 2, 1:59 PM PST | Freeze Warning | SGX | Riverside | 19 hr |
| Feb 3, 9:28 AM PST | Freeze Warning | SGX | Riverside | 24 hr |
| Feb 19, 9:19 PM PST | Freeze Warning | STO | 9 hr | |
| Feb 25, 3:10 AM PST | Freeze Warning | MTR | Marin, Napa, Sonoma | 29 hr |
| Feb 25, 9:05 PM PST | Freeze Warning | STO | 12 hr | |
| Feb 26, 3:05 AM PST | Freeze Warning | HNX | 30 hr | |
| Feb 26, 5:40 AM PST | Freeze Warning | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 1 more | 26 hr |
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 archive20102012
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.