Alert archive / Oregon / Air Stagnation Advisories

Air Stagnation Advisories in Oregon, 2009

9 air stagnation advisories in 2009. 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 2009. Tap one for its archive.

Air Stagnation Advisories
9
Busiest month
January4 air stagnation advisories
Busiest day
December 23, 20094 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, 2:14 PM PSTAir Stagnation AdvisoryMFRCoos, Curry, Douglas, Jackson, Josephine, Klamath and 1 more13 days
Jan 12, 12:16 PM PSTAir Stagnation AdvisoryPQR9 days
Jan 13, 9:28 AM PSTAir Stagnation AdvisoryPDTGilliam, Grant, Jefferson, Morrow, Sherman, Umatilla and 2 more11 days
Jan 30, 12:38 PM PSTAir Stagnation AdvisoryMFRCoos, Curry, Douglas, Jackson, Josephine, Klamath and 1 more6 days
Nov 30, 9:38 AM PSTAir Stagnation AdvisoryMFRCurry, Jackson, Josephine, Klamath, Lake6 days
Dec 23, 12:08 PM PSTAir Stagnation AdvisoryBOIBaker, Harney3 days
Dec 23, 1:57 PM PSTAir Stagnation AdvisoryPQR6 days
Dec 23, 2:25 PM PSTAir Stagnation AdvisoryPDTGilliam, Grant, Jefferson, Morrow, Sherman, Umatilla and 3 more7 days
Dec 23, 2:34 PM PSTAir Stagnation AdvisoryMFRCoos, Curry, Douglas, Jackson, Josephine, Klamath and 1 more3 days

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 archive20082010

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.