Alert archive / California / Heat Advisories
Heat Advisories in California, 2008
14 heat advisories in 2008. 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 heat advisories reaches back to 2005.
Heat Advisories by county
Each county as a circle sized by its count in 2008. Tap one for its archive.
- Heat Advisories
- 14
- Busiest month
- May4 heat advisories
- Busiest day
- June 19, 20082 heat advisories
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 |
|---|---|---|---|---|
| May 13, 1:29 PM PDT | Heat Advisory | MTR | Alameda, Contra Costa, City and County of San Francisco, San Mateo, Santa Clara | 31 hr |
| May 14, 2:26 PM PDT | Heat Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 4 more | 30 hr |
| May 15, 3:14 PM PDT | Heat Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 4 more | 29 hr |
| May 16, 2:42 PM PDT | Heat Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 2 more | 28 hr |
| Jun 19, 10:45 AM PDT | Heat Advisory | MTR | Santa Clara | 33 hr |
| Jun 19, 10:45 AM PDT | Heat Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more | 57 hr |
| Jul 7, 1:52 PM PDT | Heat Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more | 49 hr |
| Jul 8, 1:50 PM PDT | Heat Advisory | STO | 3 days | |
| Jul 8, 2:10 PM PDT | Heat Advisory | HNX | 15 hr | |
| Jul 9, 2:49 PM PDT | Heat Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 4 more | 37 hr |
| Aug 13, 9:18 AM PDT | Heat Advisory | STO | 58 hr | |
| Aug 27, 2:33 PM PDT | Heat Advisory | MTR | Santa Clara | 14 hr |
| Aug 27, 2:33 PM PDT | Heat Advisory | MTR | Alameda, Contra Costa, City and County of San Francisco, San Mateo, Santa Clara | 51 hr |
| Aug 28, 10:06 AM PDT | Heat Advisory | STO | 19 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20072009
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.