Alert archive / Oregon / Air Stagnation Advisories
Air Stagnation Advisories in Oregon, 2020
9 air stagnation 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 air stagnation advisories reaches back to 2005.
Air Stagnation Advisories by county
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Air Stagnation Advisories
- 9
- Busiest month
- November6 air stagnation advisories
- Busiest day
- November 30, 20203 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 |
|---|---|---|---|---|
| Oct 1, 12:31 PM PDT | Air Stagnation Advisory | PQR | 46 hr | |
| Nov 19, 12:02 PM PST | Air Stagnation Advisory | MFR | Coos, Curry, Douglas, Jackson, Josephine, Klamath and 1 more | 3 days |
| Nov 25, 9:45 AM PST | Air Stagnation Advisory | PDT | Grant, Jefferson, Morrow, Wasco, Wheeler | 5 days |
| Nov 25, 2:33 PM PST | Air Stagnation Advisory | MFR | Coos, Curry, Douglas, Jackson, Josephine, Klamath and 1 more | 5 days |
| Nov 30, 1:34 PM PST | Air Stagnation Advisory | BOI | Baker, Harney, Malheur | 10 days |
| Nov 30, 1:57 PM PST | Air Stagnation Advisory | PQR | 8 days | |
| Nov 30, 2:47 PM PST | Air Stagnation Advisory | MFR | Coos, Curry, Douglas, Jackson, Josephine, Klamath and 1 more | 5 days |
| Dec 1, 2:20 PM PST | Air Stagnation Advisory | PDT | Crook, Deschutes, Gilliam, Grant, Jefferson, Morrow and 5 more | 7 days |
| Dec 23, 2:46 PM PST | Air Stagnation Advisory | PQR | 24 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Coos County3
- Curry County3
- Douglas County3
- Jackson County3
- Josephine County3
- Klamath County3
- Lake County3
- Grant County2
- Jefferson County2
- Morrow County2
- Wasco County2
- Wheeler County2
- Baker County1
- Harney County1
- Malheur County1
- Crook County1
- Deschutes County1
- Gilliam County1
- Sherman County1
- Umatilla County1
- Union 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.