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Eastern OR
 Details for Eastern OR Dense Fog Advisory
 N. Marine OR
 Details for N. Marine OR Small Craft Advisory
 N. Coast OR
 Details for N. Coast OR Freezing Fog Advisory
 W. Valley
 Details for W. Valley Freezing Fog Advisory
 Central OR
 Details for Central OR Freezing Fog Advisory
 Eastern OR
 Details for Eastern OR Freezing Fog Advisory
 N. Coast OR
 Details for N. Coast OR Air Stagnation Advisory
 W. Valley
 Details for W. Valley Air Stagnation Advisory
 PDX Metro
 Details for PDX Metro Air Stagnation Advisory
 Southwest OR
 Details for Southwest OR Air Stagnation Advisory
 Central OR
 Details for Central OR Air Stagnation Advisory
 Eastern OR
 Details for Eastern OR Air Stagnation Advisory

Weather Alerts for Southwest OR

Issued by the National Weather Service

Air Stagnation Advisory  AIR STAGNATION ADVISORY   Air Stagnation Advisory
SOUTHWEST OR
Areas Affected:
Central Douglas County - Eastern Curry County and Josephine County - Jackson County - Klamath Basin - Northern and Eastern Klamath County and Western Lake County - Central and Eastern Lake County
Effective: Tue, 12/3 11:23pm Updated: Wed, 12/4 10:45am Urgency: Expected
Expires: Fri, 12/6 4:00pm Severity:  Moderate  Certainty: Likely
 
Details: 
* WHAT...A ridge of high pressure will lead to a strong inversion
and stagnant air conditions near the surface that will continue to
trap pollutants. This could worsen air quality over time.

* WHERE...Valley locations across southern Oregon. West of the
Cascades, this includes the Umpqua, Illinois, Applegate, and Rogue
valleys. East of the Cascades, this includes Klamath Falls,
Sprague River, Chiloquin, Chemult, Silver Lake, Paisley, and
surrounding areas.

* WHEN...Until 4 PM PST Friday.

* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.

Information: 
Persons with respiratory illness should follow their physicians
advice for dealing with high levels of air pollution during periods
of stagnant air.