Upper Columbia Basin

 Air Stagnation Advisory  Statement as of 9:52 am PST on February 12, 2016

... Air stagnation advisory remains in effect until 10 am PST

* air quality... light winds and temperature inversions will
heighten the potential for elevated pollution levels in
central and northeast Washington through Saturday morning.
Weak weather disturbances will pass through the area Thursday
night and may slightly improve the situation. A stronger cold
front passage late Friday into Saturday is expected to end the
stagnant conditions.

* Impacts... burn bans may be in effect for your area. Please
consult your state or tribal authorities before burning.

* Locations... a few communities included in the air stagnation
advisory are Ritzville... Moses Lake... Grand Coulee... Colville
   ... and Wenatchee.

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.

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