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wwus76 ksew 122049
npwsew
979 

urgent - weather message
national weather service seattle wa
1249 pm pst tue dec 12 2017

waz503-504-506-507-509>511-514-555-556-558-559-132000-
/o.con.ksew.as.y.0001.000000t0000z-171214t2200z/
western whatcom county-southwest interior-western skagit county-
everett and vicinity-tacoma area-admiralty inlet area-
hood canal area-eastern strait of juan de fuca-
east puget sound lowlands-bellevue and vicinity-
seattle and vicinity-bremerton and vicinity-
1249 pm pst tue dec 12 2017

...air stagnation advisory remains in effect until 2 pm pst
thursday...

* air quality...dry conditions, light winds and poor mixing has 
  lead to stagnant conditions in the interior lowlands. stagnant 
  conditions will trap pollutants near the surface which will 
  lead to deteriorating air quality. 

* timing...through thursday afternoon.

* main impact...deteriorating air quality may affect people with 
  respiratory issues. check with your local clean air agencies 
  for possible burn bans. 

nwcleanairwa.gov  www.orcaa.org  www.pscleanair.org
www.swcleanair.org  www.ecy.wa.gov

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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