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Washington, Waterville Plateau

Air Stagnation Advisory

Statement as of 10:46 AM PST on December 18, 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
Arkansas - Dense Fog Advisory
American Samoa - Flash Flood Watch
California - High Surf Advisory, Coastal Flood Advisory , High Surf Advisory , Winter Weather Advisory
Colorado - Special Statement , Public Information Statement
Hawaii - High Surf Advisory
Idaho - Special Weather Statement
Kansas - Dense Fog Advisory , Special Statement
Louisiana - Flood Watch
Maryland - Special Statement
Michigan - Winter Weather Advisory
Minnesota - Special Statement
Missouri - Dense Fog Advisory
Montana - Winter Weather Statement , Dense Fog Advisory
Nebraska - Special Statement
New York - Winter Weather Advisory
North Dakota - Dense Fog Advisory
Ohio - Winter Weather Advisory
Oklahoma - Dense Fog Advisory
Oregon - High Surf Advisory , Special Statement
Pennsylvania - Winter Weather Advisory , Special Statement
South Dakota - Special Statement
Tennessee - Special Statement
Texas - Areal Flood Advisory , Dense Fog Advisory
Utah - Special Statement
Washington - High Surf Advisory, Coastal Flood Watch , High Surf Advisory , Winter Weather Advisory , Air Stagnation Advisory , Special Statement , Record Report
West Virginia - Winter Weather Advisory , Special Statement
Wisconsin - Areal Flood Warning , Special Weather Statement
Wyoming - High Wind Watch , Winter Storm Watch , Dense Fog Advisory , Special Statement
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