Air Stagnation Advisories in Oregon
166 air stagnation advisories since 1986. 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 since 1986. Tap one for its archive.
- Air Stagnation Advisories
- 166
- Busiest year
- 202316 air stagnation advisories
- Average year
- 8over 21 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Curry County56
- Jackson County55
- Josephine County55
- Douglas County53
- Klamath County53
- Coos County52
- Lake County48
- Wasco County40
- Morrow County39
- Umatilla County37
- Gilliam County36
- Sherman County36
- Wheeler County33
- Jefferson County30
- Malheur County26
- Grant County23
- Harney County23
- Baker County22
- Deschutes County22
- Union County20
- Crook County19
- Wallowa County15
- Benton County5
- Clackamas County5
- Lane County5
- Linn County5
- Marion County5
- Polk County4
- Yamhill County4
- Columbia County3
- Multnomah County3
- Washington County3
- Clatsop County2
- Lincoln County2
- Tillamook County2
The latest air stagnation advisories
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 6, 1:13 AM PST | Air Stagnation Advisory | BOI | Malheur | 55 hr |
| Feb 2, 9:56 AM PST | Air Stagnation Advisory | PQR | Benton, Clackamas, Columbia, Lane, Linn, Marion | 5 days |
| Jan 31, 12:35 AM PST | Air Stagnation Advisory | BOI | Baker, Malheur | 7 days |
| Jan 15, 2:27 PM PST | Air Stagnation Advisory | PQR | Benton, Clackamas, Clatsop, Columbia, Lane, Lincoln and 7 more | 8 days |
| Jan 12, 11:51 AM PST | Air Stagnation Advisory | PDT | Crook, Deschutes, Gilliam, Jefferson, Morrow, Sherman and 3 more | 8 days |
| Jan 9, 12:43 PM PST | Air Stagnation Advisory | PDT | Deschutes, Jefferson, Wasco | 3 min |
| Jan 9, 12:27 PM PST | Air Stagnation Advisory | BOI | Baker, Harney, Malheur | 15 days |
| Jan 8, 3:37 PM PST | Air Stagnation Advisory | PQR | Benton, Clackamas, Lane, Linn, Marion, Multnomah and 3 more | 7 days |
| Jan 8, 2:39 PM PST | Air Stagnation Advisory | MFR | Coos, Curry, Douglas, Jackson, Josephine, Klamath and 1 more | 15 days |
Nearby
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.