Alert archive / Washington / Heat Advisories
Heat Advisories in Washington, 2020
10 heat advisories in 2020. 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 2020. Tap one for its archive.
- Heat Advisories
- 10
- Busiest month
- July6 heat advisories
- Busiest day
- July 24, 20202 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 |
|---|---|---|---|---|
| Jul 24, 8:23 AM PDT | Heat Advisory | PQR | 4 days | |
| Jul 24, 11:59 AM PDT | Heat Advisory | SEW | 3 days | |
| Jul 26, 2:54 AM PDT | Heat Advisory | OTX | Adams, Asotin, Chelan, Douglas, Ferry, Garfield and 7 more | 6 days |
| Jul 26, 3:30 AM PDT | Heat Advisory | PDT | Benton, Columbia, Franklin, Kittitas, Klickitat, Walla Walla and 1 more | 5 days |
| Jul 29, 9:51 AM PDT | Heat Advisory | PQR | 34 hr | |
| Jul 29, 1:37 PM PDT | Heat Advisory | SEW | 30 hr | |
| Aug 13, 2:26 PM PDT | Heat Advisory | PQR | 3 days | |
| Aug 14, 2:19 PM PDT | Heat Advisory | PDT | Columbia, Walla Walla | 4 days |
| Aug 14, 2:37 PM PDT | Heat Advisory | OTX | Asotin, Ferry, Garfield, Okanogan, Pend Oreille, Spokane and 1 more | 4 days |
| Aug 15, 2:57 AM PDT | Heat Advisory | SEW | 47 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Asotin County2
- Ferry County2
- Garfield County2
- Okanogan County2
- Pend Oreille County2
- Spokane County2
- Stevens County2
- Columbia County2
- Walla Walla County2
- Adams County1
- Chelan County1
- Douglas County1
- Grant County1
- Lincoln County1
- Whitman County1
- Benton County1
- Franklin County1
- Kittitas County1
- Klickitat County1
- Yakima County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.