Kittitas Valley Severe Watches & Warnings NOAA Weather Radio

Air Stagnation Advisory
Statement as of 3:48 AM PST on December 18, 2014

...Air stagnation advisory remains in effect until 10 am PST Friday... ...Dense fog advisory is cancelled...

The National Weather Service in Pendleton has cancelled the dense fog advisory. An air stagnation advisory remains in effect until 10 am PST Friday.

* Timing: air stagnation advisory through at least midday Friday. The fog layer has lifted into a low stratus layer with improved visibility. Therefore the dense fog advisory has been cancelled.

* Impacts: pollutants trapped near the surface can negatively affect 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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