Lower Columbia Basin of Washington

 Air Stagnation Advisory  Statement as of 2:32 am PST on November 21, 2014

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

An air stagnation advisory remains in effect until noon PST

* Timing: stagnant air conditions will last through this morning.

* Impacts: the inversion will trap pollutants near the surface
which can impact those with respiratory conditions.

Precautionary/preparedness actions...

An air stagnation advisory indicates that due to limited movement
of an air mass across the advisory area... pollution will
increase. Check with your local air quality agency for possible
restrictions in your area. For additional weather information...
check our website at www.Weather.Gov/Pendleton.

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