Alert archive / Washington / Air Stagnation Advisories
Air Stagnation Advisories in Washington, 2015
8 air stagnation advisories in 2015. 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 air stagnation advisories reaches back to 2005.
Air Stagnation Advisories by county
Each county as a circle sized by its count in 2015. Tap one for its archive.
- Air Stagnation Advisories
- 8
- Busiest month
- December4 air stagnation advisories
- Busiest day
- December 29, 20153 air stagnation 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 |
|---|---|---|---|---|
| Jan 6, 9:28 AM PST | Air Stagnation Advisory | PQR | 3 days | |
| Nov 25, 2:00 PM PST | Air Stagnation Advisory | SEW | San Juan | 5 days |
| Nov 25, 2:26 PM PST | Air Stagnation Advisory | OTX | Adams, Asotin, Chelan, Douglas, Ferry, Garfield and 7 more | 8 days |
| Nov 27, 5:39 PM PST | Air Stagnation Advisory | PDT | Benton, Columbia, Franklin, Kittitas, Klickitat, Walla Walla and 1 more | 7 days |
| Dec 23, 2:44 PM PST | Air Stagnation Advisory | PDT | Benton, Columbia, Franklin, Kittitas, Klickitat, Walla Walla and 1 more | 21 days |
| Dec 29, 9:47 AM PST | Air Stagnation Advisory | OTX | Adams, Asotin, Chelan, Douglas, Ferry, Garfield and 7 more | 14 days |
| Dec 29, 1:15 PM PST | Air Stagnation Advisory | SEW | San Juan | 39 hr |
| Dec 29, 3:21 PM PST | Air Stagnation Advisory | PQR | 47 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- San Juan County2
- Adams County2
- Asotin County2
- Chelan County2
- Douglas County2
- Ferry County2
- Garfield County2
- Grant County2
- Lincoln County2
- Okanogan County2
- Pend Oreille County2
- Spokane County2
- Stevens County2
- Whitman County2
- Benton County2
- Columbia County2
- Franklin County2
- Kittitas County2
- Klickitat County2
- Walla Walla County2
- Yakima County2
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20142016
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.