Yakima Valley Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Air Stagnation Advisory
Issued: 11:55 AM PST Nov. 13, 2018 – National Weather Service

... Air stagnation advisory remains in effect until 1 PM PST
Friday...
... Dense fog advisory will expire at noon PST today...

* 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.

Precautionary/preparedness actions...

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. Persons with
respiratory illnesses should follow their physicians advice for
dealing with high levels of air pollution during periods of
stagnant air. 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... where people live and breathe. Check with
your local burn agency for any current restrictions in your area.







1155 am PST Tue Nov 13 2018

... Air stagnation advisory remains in effect until 1 PM PST
Friday...
... Dense fog advisory will expire at noon PST today...

* 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.

Precautionary/preparedness actions...

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. Persons with
respiratory illnesses should follow their physicians advice for
dealing with high levels of air pollution during periods of
stagnant air. 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... where people live and breathe. Check with
your local burn agency for any current restrictions in your area.