Non-Precipitation Warnings / Watches / Advisories
Issued by NWS Pendleton, OR

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476
WWUS76 KPDT 141800
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
1000 AM PST SUN FEB 14 2016

WAZ026-027-141900-
/O.EXP.KPDT.AS.Y.0004.000000T0000Z-160214T1800Z/
KITTITAS VALLEY-YAKIMA VALLEY-
INCLUDING THE CITIES OF...ELLENSBURG...THORP...NACHES...
SUNNYSIDE...TOPPENISH...YAKIMA
1000 AM PST SUN FEB 14 2016

...AIR STAGNATION ADVISORY WILL EXPIRE AT 10 AM PST THIS
MORNING...

AIR QUALITY WITHIN THE YAKIMA AND KITTITAS VALLEYS HAS IMPROVED
OVER THE PAST 24 HOURS. MEANWHILE...INVERSIONS HAVE BROKEN AND
MIXING OF THE SURFACE AIR MASS WILL GRADUALLY INCREASE THIS
AFTERNOON AND THIS EVENING. THUS THE AIR STAGNATION ADVISORY HAS
BEEN ALLOWED TO EXPIRE.

$$



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