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Air Stagnation Advisory

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
1135 AM PST Wed Dec 13 2017

...AIR STAGNATION ADVISORY CONTINUES THROUGH FRIDAY MORNING...

Our stagnant weather pattern is not expected to change until the
arrival of a weak frontal system on Friday. Until then, a strong
temperature inversion will remain over Washington and Idaho.
Winds will also be weak heightening the potential for the build
up of air pollution.

IDC009-017-021-035-049-055-057-061-069-079-WAC001-003-007-017-019-
023-025-043-047-051-063-065-075-142015-
/O.CON.KOTX.AS.Y.0003.000000T0000Z-171215T1800Z/
Benewah-Bonner-Boundary-Clearwater-Idaho-Kootenai-Latah-Lewis-
Nez Perce-Shoshone-Adams-Asotin-Chelan-Douglas-Ferry-Garfield-
Grant-Lincoln-Okanogan-Pend Oreille-Spokane-Stevens-Whitman-
1135 AM PST Wed Dec 13 2017 /1235 PM MST Wed Dec 13 2017/

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
/11 AM MST/ FRIDAY...

* Air Quality...Pollutants may increase this week. Regional air
  quality sensors range from good to moderate. However, light
  winds and a strong inversion will increase the potential for
  the build up of air pollution and deteriorating air quality.

* Impacts...Persons with respiratory issues should follow the
  advice of their physician on how to deal with poor air
  quality. Outdoor burning may be limited, so please consult
  with your local burn agencies for updated burn restrictions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

An Air Stagnation Advisory indicates that due to limited movement
of an air mass across the advisory area. Pollution may increase
to unhealthy levels. Persons with respiratory illness should
follow their physicians advice for dealing with high levels of
air pollution.

&&

$$



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