Alert archive / Washington / Frost Advisories
Frost Advisories in Washington, 2021
7 frost advisories in 2021. 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 frost advisories reaches back to 2005.
Frost Advisories by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Frost Advisories
- 7
- Busiest month
- October4 frost advisories
- Busiest day
- October 11, 20213 frost 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 |
|---|---|---|---|---|
| Aug 31, 2:06 PM PDT | Frost Advisory | OTX | Ferry, Lincoln, Okanogan, Pend Oreille, Spokane, Stevens and 1 more | 19 hr |
| Sep 1, 2:06 PM PDT | Frost Advisory | OTX | Ferry, Okanogan, Pend Oreille, Spokane, Stevens | 19 hr |
| Sep 15, 2:31 PM PDT | Frost Advisory | OTX | Adams, Chelan, Douglas, Grant, Lincoln, Okanogan and 2 more | 17 hr |
| Oct 7, 2:27 AM PDT | Frost Advisory | OTX | Adams, Grant | 31 hr |
| Oct 11, 1:48 AM PDT | Frost Advisory | PQR | 31 hr | |
| Oct 11, 2:01 AM PDT | Frost Advisory | OTX | Asotin, Garfield | 31 hr |
| Oct 11, 2:37 AM PDT | Frost Advisory | SEW | 30 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 archive20202022
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. Rebuilt daily.