Yakima County, Washington
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The National Weather Service's Watches, Warnings and Advisories by state counties include: Thunderstorm, Tornado, Flood, Flash Flood, Winter Storm, High Wind, Gale, Small Aircraft, High Surf, Marine, Heat, Air Quality, Ashfall, Hazardous, and Special Statements.
Weather Alerts: Yakima County, Washington
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Air Stagnation Advisory
WAZ026-027-141800-
/O.EXT.KPDT.AS.Y.0004.000000T0000Z-160214T1800Z/
KITTITAS VALLEY-YAKIMA VALLEY-
INCLUDING THE CITIES OF...ELLENSBURG...THORP...NACHES...
SUNNYSIDE...TOPPENISH...YAKIMA
1005 AM PST SAT FEB 13 2016

...AIR STAGNATION ADVISORY NOW IN EFFECT UNTIL 10 AM PST SUNDAY...

* AIR QUALITY...WEAK INVERSIONS WILL CONTINUE TO CAUSE DIMINISHED
AIR QUALITY OVER PORTIONS OF THE YAKIMA AND KITTITAS VALLEYS
INTO SUNDAY MORNING. OTHER LOCATIONS WITHIN THESE VALLEYS WILL
SEE SOME IMPROVED AIR QUALITY TODAY...BUT CONDITIONS WILL
DETERIORATE AGAIN TONIGHT.

* TIMING...THROUGH SUNDAY MORNING. BETTER MIXING IS EXPECTED
ACROSS THE ENTIRETY THESE TWO VALLEYS SUNDAY AFTERNOON.

* IMPACTS...THOSE WITH RESPIRATORY ISSUES SHOULD LIMIT THEIR
TIME OUTSIDE AND OR DOING PHYSICAL ACTIVITIES.

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

DURING PERIODS OF STAGNANT AIR...STATE AIR QUALITY AGENCIES
HIGHLY RECOMMEND THAT NO OUTDOOR BURNING OCCUR AND THAT
RESIDENTIAL WOOD BURNING DEVICES BE LIMITED AS MUCH AS POSSIBLE.
ACCORDING TO STATE AIR QUALITY AGENCIES...PROLONGED PERIODS OF
STAGNANT AIR CAN HOLD POLLUTANTS CLOSE TO THE GROUND...WHERE
PEOPLE LIVE AND BREATHE. CHECK WITH YOUR LOCAL BURN AGENCY FOR
ANY CURRENT RESTRICTIONS IN YOUR AREA

&&

$$
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Providing "weather, water cycle, and climate forecasts and warnings for the United States, its territories, adjacent waters and ocean areas, for the protection of life and property and the enhancement of the national economy."
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