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

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825
WWUS76 KOTX 131801
NPWOTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
1001 AM PST SAT FEB 13 2016

...AIR STAGNATION ADVISORIES REMAIN IN EFFECT FOR THE EAST SLOPES
OF THE NORTHERN CASCADES AND OKANOGAN VALLEY...

WAZ034-035-037-038-041-044-131915-
/O.EXP.KOTX.AS.Y.0001.000000T0000Z-160213T1800Z/
MOSES LAKE AREA-UPPER COLUMBIA BASIN-NORTHEAST MOUNTAINS-
OKANOGAN HIGHLANDS-WENATCHEE AREA-WATERVILLE PLATEAU-
1001 AM PST SAT FEB 13 2016

...AIR STAGNATION ADVISORY WILL EXPIRE AT 10 AM PST THIS
MORNING FOR THE UPPER COLUMBIA BASIN...WATERVILLE PLATEAU...
NORTHEAST WASHINGTON MOUNTAINS...OKANOGAN HIGHLANDS...AND
WENATCHEE AND MOSES LAKE AREAS...

WIDESPREAD PRECIPITATION FRIDAY NIGHT...A BIT OF WIND TODAY...AND
MORE PRECIPITATION TONIGHT WILL IMPROVE AIR MOVEMENT OVER MUCH OF
EASTERN WASHINGTON AND PORTIONS OF CENTRAL WASHINGTON.

$$

WAZ042-043-141900-
/O.CON.KOTX.AS.Y.0001.000000T0000Z-160216T1800Z/
EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY-
1001 AM PST SAT FEB 13 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. A WARM FRONT WILL PRODUCE
  A CHANCE OF LIGHT PRECIPITATION TONIGHT OVER NORTH CENTRAL
  WASHINGTON...BUT WINDS WILL LIKELY REMAIN LIGHT. A STRONGER
  FRONTAL SYSTEM ON SUNDAY NIGHT AND MONDAY MAY PRODUCE ENOUGH
  WIND FOR THE AIR STAGNATION ADVISORY TO BE DISCONTINUED.

* 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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