HAZARDOUS WEATHER OUTLOOK
Issue Date: 534 AM PST TUE DEC 15 2009
Expiration: 530 AM PST WED DEC 16 2009

Expires:200912161330;;
FLUS46 KPDT 151334
HWOPDT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
535 AM PST TUE DEC 15 2009
ORZ041>044-049-050-501>506-WAZ024-026>030-501-502-161330-
EASTERN COLUMBIA RIVER GORGE OF OREGON-NORTH CENTRAL OREGON-
CENTRAL OREGON-LOWER COLUMBIA BASIN OF OREGON-GRANDE RONDE VALLEY-
WALLOWA COUNTY-FOOTHILLS OF THE BLUE MOUNTAINS OF OREGON-
NORTHERN BLUE MOUNTAINS OF OREGON-
SOUTHERN BLUE MOUNTAINS OF OREGON-
NORTHERN WHEELER AND SOUTHERN GILLIAM COUNTIES-JOHN DAY BASIN-
OCHOCO-JOHN DAY HIGHLANDS-
EASTERN COLUMBIA RIVER GORGE OF WASHINGTON-KITTITAS VALLEY-
YAKIMA VALLEY-LOWER COLUMBIA BASIN OF WASHINGTON-
FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-
NORTHWEST BLUE MOUNTAINS-
EAST SLOPES OF THE CENTRAL CASCADES OF WASHINGTON-
EAST SLOPES OF THE SOUTHERN CASCADES OF WASHINGTON-
535 AM PST TUE DEC 15 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND NORTHEAST OREGON
AS WELL AS SOUTH CENTRAL AND SOUTHEAST WASHINGTON.
.DAY ONE...TODAY AND TONIGHT
WINTER MIX
     EASTERN COLUMBIA RIVER GORGE OF WASHINGTON, LOWER COLUMBIA
     BASIN OF WASHINGTON, FOOTHILLS OF THE BLUE MOUNTAINS OF
     WASHINGTON, EASTERN COLUMBIA RIVER GORGE OF OREGON, LOWER
     COLUMBIA BASIN OF OREGON, FOOTHILLS OF THE BLUE MOUNTAINS OF
     OREGON
SNOW
     EAST SLOPES OF THE CENTRAL CASCADES OF WASHINGTON, EAST SLOPES
     OF THE SOUTHERN CASCADES OF WASHINGTON, KITTITAS VALLEY,
     YAKIMA VALLEY, NORTHWEST BLUE MOUNTAINS, GRANDE RONDE VALLEY,
     WALLOWA COUNTY, NORTHERN BLUE MOUNTAINS OF OREGON, SOUTHERN
     BLUE MOUNTAINS OF OREGON, OCHOCO-JOHN DAY HIGHLANDS
A PACIFIC WARM FRONT HAS BROUGHT WIDESPREAD PRECIPITATION EAST OF
THE CASCADES.  MULTIPLE WINTER STORM WARNINGS AND ADVISORIES ARE IN
EFFECT.  DETAILS CAN BE FOUND IN THE NWS PRODUCT PDXWSWPDT.  THE
LOWER COLUMBIA BASIN...THE BLUE MOUNTAIN FOOTHILLS...AND THE EASTERN
COLUMBIA RIVER GORGE WILL SEE FREEZING RAIN THIS MORNING WITH ICE
ACCUMULATIONS UP TO ONE QUARTER OF AN INCH.  MODERATE TO HEAVY SNOW
CAN BE EXPECTED ALONG THE EAST SLOPES OF THE WASHINGTON
CASCADES...THE BLUE MOUNTAINS...OCHOCO-JOHN DAY HIGHLANDS...AND
PORTIONS OF THE WALLOWA AND GRANDE RONDE VALLEYS.  BLOWING SNOW CAN
BE EXPECTED IN THE GRANDE RONDE VALLEY AND THE BLUE MOUNTAINS.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.
A MOIST WESTERLY FLOW ALOFT WILL BRING A SERIES OF UPPER LEVEL WAVES
ACROSS WASHINGTON AND OREGON WITH PERIODS OF RAIN AND MOUNTAIN SNOW
THROUGH THE END OF THE WEEK AND EARLY NEXT WEEK.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE REQUIRED TODAY.
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.
$$