Pierce County, Washington
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The National Weather Service's Watches, Warnings and Advisories by state counties include: Thunderstorm, Tornado, Flood, Flash Flood, Winter Storm, High Wind, Gale, Small Aircraft, High Surf, Marine, Heat, Air Quality, Ashfall, Hazardous, and Special Statements.
Weather Alerts: Pierce County, Washington
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Air Stagnation Advisory
WAZ503-504-506-507-509>511-514-555-556-558-559-112000-
/O.CON.KSEW.AS.Y.0001.000000T0000Z-171211T2000Z/
Western Whatcom County-Southwest Interior-Western Skagit County-
Everett and Vicinity-Tacoma Area-Admiralty Inlet Area-
Hood Canal Area-Eastern Strait of Juan de Fuca-
East Puget Sound Lowlands-Bellevue and Vicinity-
Seattle and Vicinity-Bremerton and Vicinity-
400 AM PST Mon Dec 11 2017

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL NOON PST
TODAY...

* AIR QUALITY...Dry conditions, light winds and poor mixing has
lead to stagnant conditions in the interior lowlands. Stagnant
conditions will trap pollutants near the surface which will
lead to deteriorating air quality.

* TIMING...Through Monday morning.

* MAIN IMPACT...Deteriorating air quality may affect people with
respiratory issues. Check with your local clean air agencies
for possible burn bans.

nwcleanairwa.gov
www.orcaa.org
www.pscleanair.org
www.swcleanair.org
www.ecy.wa.gov

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

National Weather Service

Providing "weather, water cycle, and climate forecasts and warnings for the United States, its territories, adjacent waters and ocean areas, for the protection of life and property and the enhancement of the national economy."
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