February 2, 2012 in City, Idaho

Air stagnation advisory posted in parts of region

By The Spokesman-Review
 
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An air stagnation advisory was posted today for a wide area of Washington east of the Cascades, but the Spokane and Coeur d’Alene areas are not included in the advisory.

Partial indoor burning bans were posted for Chelan and Douglas counties.

The air stagnation is expected to continue through Tuesday across Northeast Washington, the Columbia Basin, east slopes of the Cascades, south-central Washington and the Walla Walla area.

A flow of fresh air from the east was expected to keep air from becoming stagnant in North Idaho, the Spokane area and Palouse region.

Higher air pressure has moved into the region following Wednesday’s storm that brought 0.28 inches of rain to Spokane International Airport.

The easterly flow of air combined with a higher sun angle in February should prevent development of a shallow and persistent layer of cold air on the ground. Forecasters said they are not sure of the air stagnation advisory will be extended to areas not affected by it now.

A mix of sun during the day and fog and low clouds at night are expected for the next several days with highs in the upper 30s to about 40 with lows in the middle 20s.


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