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Washington, Lower Columbia and I - 5 Corridor in Cowlitz County

Air Stagnation Advisory

Statement as of 10:01 AM PST on December 14, 2017

Expires 5:00 PM EST on December 14, 2017


... Air stagnation advisory remains in effect until 2 PM PST this
afternoon...

* air quality... air quality may remain diminished due to an
extended period of stagnant air conditions.

* Timing... through Thursday afternoon.

* Locations... the lower Columbia and I-5 corridor in Cowlitz
County

* impacts... limited ventilation may result in deteriorating air
quality continuing this week.

Precautionary/preparedness actions...

An air stagnation advisory indicates that due to limited movement
of an air mass across the advisory area, pollution will increase
to dangerous levels. Persons with respiratory illness should
follow their physicians advice for dealing with high levels of
air pollution.





1001 am PST Thu Dec 14 2017

... Air stagnation advisory remains in effect until 2 PM PST this
afternoon...

* air quality... air quality may remain diminished due to an
extended period of stagnant air conditions.

* Timing... through Thursday afternoon.

* Locations... the lower Columbia and I-5 corridor in Cowlitz
County

* impacts... limited ventilation may result in deteriorating air
quality continuing this week.

Precautionary/preparedness actions...

An air stagnation advisory indicates that due to limited movement
of an air mass across the advisory area, pollution will increase
to dangerous levels. Persons with respiratory illness should
follow their physicians advice for dealing with high levels of
air pollution.





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