Alert archive / California / Excessive Heat Warnings / 2011
Excessive Heat Warnings in California, August 2011
8 excessive heat warnings in August 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 excessive heat warnings reaches back to 2005.
Excessive Heat Warnings by county
Each county as a circle sized by its count in August 2011. Tap one for its archive.
- Excessive Heat Warnings
- 8
- Busiest day
- August 28, 20113 excessive heat 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 |
|---|---|---|---|---|
| Aug 2, 5:03 AM PDT | Excessive Heat Warning | PSR | 63 hr | |
| Aug 21, 2:16 PM PDT | Excessive Heat Warning | PSR | 12 days | |
| Aug 22, 2:58 PM PDT | Excessive Heat Warning | VEF | Inyo, San Bernardino | 4 days |
| Aug 27, 3:15 AM PDT | Excessive Heat Warning | LOX | Los Angeles | 17 hr |
| Aug 27, 3:19 AM PDT | Excessive Heat Warning | VEF | Inyo, San Bernardino | 24 hr |
| Aug 28, 2:10 AM PDT | Excessive Heat Warning | LOX | Los Angeles | 18 hr |
| Aug 28, 3:39 AM PDT | Excessive Heat Warning | PSR | 40 hr | |
| Aug 28, 3:39 AM PDT | Excessive Heat Warning | VEF | Inyo, San Bernardino | 40 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.