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Washington, Northeast Mountains

Air Stagnation Advisory

Statement as of 9:42 AM PST on December 17, 2014

Expires 3:00 PM EST on December 19, 2014


... Air stagnation advisory remains in effect until noon PST
Friday...

* air quality... light winds and stable conditions will increase
the potential for build up of pollutants near the surface.

* Timing... high pressure will persist through Friday morning.

* Impacts... prolonged periods of stagnant air can lock fine
particulate matter close to the ground and degrade air quality.

Precautionary/preparedness actions...

An air stagnation advisory indicates that due to limited movement
of an air mass across the advisory area... pollution has the
potential to increase to dangerous levels. Persons with
respiratory illness should follow their physicians advice for
dealing with high levels of air pollution.




Weather Severe Map
Alaska - High Wind Warning , Dense Fog Advisory
Arkansas - Tornado Watch
California - High Surf Advisory , Beach Hazard Statement , Record Report
Colorado - Winter Weather Advisory , Dense Fog Advisory , Special Statement , Public Information Statement
Connecticut - Special Statement , Public Information Statement
Florida - Public Information Statement
Georgia - Public Information Statement
Illinois - Special Statement
Indiana - Special Statement
Kansas - Winter Weather Advisory , Dense Fog Advisory , Special Statement , Public Information Statement
Kentucky - Special Statement
Louisiana - Tornado Watch
Maine - Winter Weather Advisory , Winter Storm Warning , Public Information Statement
Massachusetts - Special Statement , Public Information Statement
Michigan - Record Report
Missouri - Winter Weather Advisory , Special Statement
Montana - Freezing Fog Advisory
Nebraska - Dense Fog Advisory , Special Statement , Public Information Statement
New Hampshire - Winter Weather Advisory
New Mexico - Winter Weather Advisory
New York - Public Information Statement
Oklahoma - Tornado Watch
Oregon - Special Statement
Rhode Island - Special Statement
Tennessee - Winter Weather Advisory , Special Statement
Texas - Tornado Watch
Utah - Special Statement
Vermont - Public Information Statement
Virginia - Special Statement
Washington - Air Stagnation Advisory , Special Statement
Wisconsin - Areal Flood Warning
Wyoming - Dense Fog Advisory , Special Statement
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