Non-Precipitation Warnings / Watches / Advisories
Issued by NWS Spokane, WA

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000
WWUS76 KOTX 121752
NPWOTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
952 AM PST FRI FEB 12 2016


WAZ034-035-037-038-041-044-131800-
/O.CON.KOTX.AS.Y.0001.000000T0000Z-160213T1800Z/
MOSES LAKE AREA-UPPER COLUMBIA BASIN-NORTHEAST MOUNTAINS-
OKANOGAN HIGHLANDS-WENATCHEE AREA-WATERVILLE PLATEAU-
952 AM PST FRI FEB 12 2016

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY...

* AIR QUALITY...LIGHT WINDS AND TEMPERATURE INVERSIONS WILL
  HEIGHTEN THE POTENTIAL FOR ELEVATED POLLUTION LEVELS IN
  CENTRAL AND NORTHEAST WASHINGTON THROUGH SATURDAY MORNING.
  WEAK WEATHER DISTURBANCES WILL PASS THROUGH THE AREA THURSDAY
  NIGHT AND MAY SLIGHTLY IMPROVE THE SITUATION. A STRONGER COLD
  FRONT PASSAGE LATE FRIDAY INTO SATURDAY IS EXPECTED TO END THE
  STAGNANT CONDITIONS.

* IMPACTS...BURN BANS MAY BE IN EFFECT FOR YOUR AREA. PLEASE
  CONSULT YOUR STATE OR TRIBAL AUTHORITIES BEFORE BURNING.

* LOCATIONS...A FEW COMMUNITIES INCLUDED IN THE AIR STAGNATION
  ADVISORY ARE RITZVILLE...MOSES LAKE...GRAND COULEE...COLVILLE
   ...AND WENATCHEE.

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 ILLNESS SHOULD FOLLOW THEIR PHYSICIANS ADVICE FOR
DEALING WITH HIGH LEVELS OF AIR POLLUTION.

&&

$$

WAZ042-043-131800-
/O.CON.KOTX.AS.Y.0001.000000T0000Z-160216T1800Z/
EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY-
952 AM PST FRI FEB 12 2016

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
TUESDAY...

* AIR QUALITY...LIGHT WINDS AND TEMPERATURE INVERSIONS WILL
  HEIGHTEN THE POTENTIAL FOR ELEVATED POLLUTION LEVELS IN
  CENTRAL WASHINGTON WASHINGTON THROUGH TUESDAY. WEAK WEATHER
  DISTURBANCES WILL PASS THROUGH THURSDAY NIGHT...WITH A
  STRONGER COLD FRONT PASSAGE LATE FRIDAY INTO SATURDAY. HOWEVER
  VALLEYS NEAR THE CASCADES MAY NOT RECEIVE THE FULL BENEFIT OF
  THAT FRONT. SOME IMPROVEMENT IS POSSIBLE BUT IT IS EXPECTED TO
  BE SHORT-LIVED BEFORE MORE STAGNANT CONDITIONS WORK BACK IN.
  THUS THE ADVISORY IS EXTENDED THROUGH TUESDAY MORNING.

* IMPACTS...BURN BANS MAY BE IN EFFECT FOR YOUR AREA. PLEASE
  CONSULT YOUR STATE OR TRIBAL AUTHORITIES BEFORE BURNING.

* LOCATIONS...A FEW COMMUNITIES INCLUDED IN THE AIR STAGNATION
  ADVISORY ARE OMAK...WINTHROP...MAZAMA...AND LEAVENWORTH.

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 ILLNESS SHOULD FOLLOW THEIR PHYSICIANS ADVICE FOR
DEALING WITH HIGH LEVELS OF AIR POLLUTION.

&&

$$


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