HAZARDOUS WEATHER OUTLOOK
Issue Date: 700 PM PST WED DEC 16 2009
Expiration: 615 AM PST THU DEC 17 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND NORTHEAST OREGON
AS WELL AS SOUTH CENTRAL AND SOUTHEAST WASHINGTON.
.DAY ONE...TONIGHT
WINTER MIX
EAST SLOPES OF THE CENTRAL CASCADES OF WASHINGTON
FREEZING RAIN
KITTITAS VALLEY, YAKIMA VALLEY
A WEAK DISTURBANCE WILL KEEP SHOWERS OVER EASTERN WASHINGTON AND
OREGON TODAY AND TONIGHT. COLD AIR REMAINS TRAPPED IN THE YAKIMA AND
KITTITAS VALLEYS AND IN PORTIONS OF THE LOWER COLUMBIA BASIN.
FREEZING RAIN IS LIKELY IN THESE AREAS...AND A FREEZING RAIN
ADVISORY HAS BEEN ISSUED FOR THE YAKIMA AND KITTITAS VALLEYS.
FREEZING RAIN WILL BE TOO PATCHY FOR AN ADVISORY IN THE COLUMBIA
BASIN. A WINTER WEATHER ADVISORY FOR SNOW AND FREEZING RAIN HAS BEEN
ISSUED FOR THE EAST SLOPES OF THE CENTRAL CASCADES. ICE
ACCUMULATIONS ARE EXPECTED TO REMAIN LESS THE A QUARTER INCH IN ALL
AREAS. SNOW ACCUMULATION IN THE CASCADES IS EXPECTED TO BE 3 TO 6
INCHES. PLEASE REFER TO NWS PRODUCT ID PDXWSWPDT FOR MORE DETAILS.
SCATTERED SHOWERS ARE EXPECTED ELSEWHERE.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY
THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.
AN UNSETTLED WEATHER PATTERN WILL CONTINUE THROUGH MUCH OF THE
PERIOD WITH ONE PACIFIC WEATHER SYSTEM AFTER ANOTHER KEEPING THE
REGION WET. HOWEVER...NEITHER SIGNIFICANT COLD AIR NOR RAIN OR SNOW
ACCUMULATIONS ARE EXPECTED. TEMPERATURES WILL REMAIN NEAR NORMAL
THROUGH THE PERIOD.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE REQUIRED.
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
GRAPHICAL FORECASTS OF WEATHER HAZARDS OUT TO SEVEN DAYS
ARE DISPLAYED ON THE WORLD WIDE WEB AT:
WWW.WRH.NOAA.GOV/PDT/CURRENTHAZARDS/HWO.HTML
ALL LETTERS IN THE ABOVE URL ARE LOWER CASE...EXCEPT THE H IN
CURRENTHAZARDS.
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