... Air stagnation advisory remains in effect until 1 PM PST
* air quality... a ridge of high pressure will continue over the
region and produce a low level inversion over the Yakima
Valley, which will trap pollutants.
* Timing... now through Friday afternoon.
* Impacts... deterioration of air quality leading to impacts for
those with respiratory issues.
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. State air quality
agencies highly recommend that no outdoor burning occur and that
residential wood burning devices be limited as much as possible.
According to state air quality agencies... prolonged periods of
stagnant air can hold pollutants close to the ground. Check with
your local burn agency for any current restrictions in your area.
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Watches & Warnings
Air Stagnation Advisory
Issued: 11:01 AM PST Nov. 15, 2018 – National Weather Service