Air Stagnation & Freezing Fog Advisories Issued

Air Stagnation & Freezing Fog Advisories Issued

The National Weather Service has issued a Air Stagnation Advisory and we should expect stagnant conditions through the beginning of the week with freezing fog.

The areas under the advisory are:

The cities of…The Tri-Cities, Walla Walla, Arlington,

The Dalles, Boardman, Hermiston, Lone, Pendleton,

Pilot Rock, White Salmon, Connell, Prosser, Dayton, Waitsburg.

East Columbia River Gorge of Oregon
Lower Columbia Basin of Oregon
Foothills of the northern Blue Mountains of Oregon
Eastern Columbia River Gorge of Washington
Lower Columbia Basin of Washington
Foothills of the Blue Mountains of Washington

Freezing Fog Advisory in effect until Noon PST Tuesday…Air Stagnation Advisory remains in effect until 4 pm PSTTuesday.

The national weather ahs also issued a Freezing Fog Advisory, which is in effect until Noon Tuesday.

* Visibility: Reduced to less than a quarter of a mile at times.

* Impacts: The inversion will trap pollutants near the surface
which can impact those with respiratory conditions. Freezing fog
can produce icy conditions on surfaces resulting in hazardous
conditions for driving and walking. The fog will also reduce
visibilities so motorist should exercise caution and drive with
extreme care when encountering fog.

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.