Alert archive / California / Heat Advisories
Heat Advisories in California, 2014
9 heat advisories in 2014. 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 2014. Tap one for its archive.
- Heat Advisories
- 9
- Busiest month
- July3 heat advisories
- Busiest day
- May 12, 20142 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 12, 12:02 PM PDT | Heat Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more | 56 hr |
| May 12, 1:59 PM PDT | Heat Advisory | SGX | Riverside, San Bernardino, San Diego | 3 days |
| Jul 6, 2:32 PM PDT | Heat Advisory | MFR | Siskiyou | 42 hr |
| Jul 14, 2:58 PM PDT | Heat Advisory | MFR | Siskiyou | 3 days |
| Jul 22, 1:20 PM PDT | Heat Advisory | SGX | Riverside, San Bernardino, San Diego | 3 days |
| Sep 12, 3:58 AM PDT | Heat Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 5 days |
| Sep 30, 1:01 PM PDT | Heat Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 5 days |
| Oct 1, 8:40 AM PDT | Heat Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more | 60 hr |
| Oct 3, 10:23 AM PDT | Heat Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 4 more | 35 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 archive20132015
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.