Alert archive / Oregon / Air Stagnation Advisories

Air Stagnation Advisories in Oregon, 2026

9 air stagnation advisories in 2026. 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 2026. Tap one for its archive.

Air Stagnation Advisories
9
Busiest month
January7 air stagnation advisories
Busiest day
January 8, 20262 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.

IssuedProductOfficeCountiesLasted
Jan 8, 2:39 PM PSTAir Stagnation AdvisoryMFRCoos, Curry, Douglas, Jackson, Josephine, Klamath and 1 more15 days
Jan 8, 3:37 PM PSTAir Stagnation AdvisoryPQRBenton, Clackamas, Lane, Linn, Marion, Multnomah and 3 more7 days
Jan 9, 12:27 PM PSTAir Stagnation AdvisoryBOIBaker, Harney, Malheur15 days
Jan 9, 12:43 PM PSTAir Stagnation AdvisoryPDTDeschutes, Jefferson, Wasco3 min
Jan 12, 11:51 AM PSTAir Stagnation AdvisoryPDTCrook, Deschutes, Gilliam, Jefferson, Morrow, Sherman and 3 more8 days
Jan 15, 2:27 PM PSTAir Stagnation AdvisoryPQRBenton, Clackamas, Clatsop, Columbia, Lane, Lincoln and 7 more8 days
Jan 31, 12:35 AM PSTAir Stagnation AdvisoryBOIBaker, Malheur7 days
Feb 2, 9:56 AM PSTAir Stagnation AdvisoryPQRBenton, Clackamas, Columbia, Lane, Linn, Marion5 days
Feb 6, 1:13 AM PSTAir Stagnation AdvisoryBOIMalheur55 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 archive2025

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.