WIND ADVISORY
Issue Date: 218 PM PST SUN DEC 06 2009
Expiration: 700 PM PST SUN DEC 06 2009

...VERY WINDY IN THE YAKIMA VALLEY AND ACROSS THE LOWER COLUMBIA
BASIN THROUGH EARLY THIS EVENING...
.A TIGHT NORTHERLY PRESSURE GRADIENT WILL REMAIN OVER EASTERN
WASHINGTON THROUGH EARLY THIS EVENING...RESULTING IN VERY WINDY
CONDITIONS IN THE YAKIMA VALLEY AND THE LOWER COLUMBIA BASIN.
WAZ027-028-070300-
/O.EXT.KPDT.WI.Y.0043.000000T0000Z-091207T0300Z/
YAKIMA VALLEY-LOWER COLUMBIA BASIN OF WASHINGTON-
INCLUDING THE CITIES OF...SUNNYSIDE...YAKIMA...CONNELL...
PROSSER...TRI-CITIES
218 PM PST SUN DEC 6 2009
...WIND ADVISORY NOW IN EFFECT UNTIL 7 PM PST THIS EVENING...
THE WIND ADVISORY IS NOW IN EFFECT UNTIL 7 PM PST THIS EVENING.
NORTH TO NORTHEAST WINDS SUSTAINED AT 25 TO 35 MPH IN THE YAKIMA
VALLEY AND 30 TO 40 MPH IN THE LOWER COLUMBIA BASIN WILL CONTINUE
THROUGH 7 PM THIS EVENING. THE STRONGEST WINDS WILL BE AT THE
HIGHER ELEVATIONS IN THE COLUMBIA BASIN AT 1500 FEET AND HIGHER.
THIS INCLUDES THE RATTLESNAKE HILLS AND THE HORSE HEAVEN HILLS.
PATCHY BLOWING DUST CAN BE EXPECTED...LOCALLY REDUCING VISIBILITIES
TO LESS THAN ONE MILE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST
BETWEEN 30 AND 39 MPH OR GUSTS RANGING FROM 45 TO 57 MPH. WINDS
OF THESE MAGNITUDES CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. MINOR PROPERTY DAMAGE MAY ALSO OCCUR. FOR
ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT
WWW.WEATHER.GOV/PENDLETON.
&&
$$

HAZARDOUS WEATHER OUTLOOK
Issue Date: 952 AM PST SUN DEC 06 2009
Expiration: 615 AM PST MON DEC 07 2009

Expires:200912071415;;
FLUS46 KPDT 061751
HWOPDT
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE PENDLETON OR
952 AM PST SUN DEC 6 2009
UPDATED FOR SNOW ADVISORY CENTRAL OREGON
ORZ041>044-049-050-501>506-WAZ024-026>030-501-502-071415-
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-
952 AM PST SUN DEC 6 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND NORTHEAST OREGON
AS WELL AS SOUTH CENTRAL AND SOUTHEAST WASHINGTON.
.DAY ONE...TODAY AND TONIGHT
EXTREME COLD
     EAST SLOPES OF THE CENTRAL CASCADES OF WASHINGTON, EAST SLOPES
     OF THE SOUTHERN CASCADES OF WASHINGTON, EASTERN COLUMBIA RIVER
     GORGE OF WASHINGTON, KITTITAS VALLEY, FOOTHILLS OF THE BLUE
     MOUNTAINS OF WASHINGTON, NORTHWEST BLUE MOUNTAINS, EASTERN
     COLUMBIA RIVER GORGE OF OREGON, NORTH 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
SNOW
     CENTRAL OREGON
VERY WINDY
     YAKIMA VALLEY, LOWER COLUMBIA BASIN OF WASHINGTON
A STRONG ARCTIC COLD FRONT IS PUSHING ACROSS THE PACIFIC NORTHWEST
TODAY AND WILL CONTINUE TONIGHT. THIS IS CAUSING TIGHT NORTHEAST TO
SOUTHWEST SURFACE PRESSURE GRADIENTS AND THEREFORE VERY WINDY
CONDITIONS. WINDS WILL OR HAVE ALREADY REACHED WIND ADVISORY
CRITERIA IN THE LOWER COLUMBIA BASIN AND THE YAKIMA VALLEY IN
WASHINGTON. THE STRONG WINDS ARE EXPECTED TO CONTINUE THROUGH EARLY
THIS AFTERNOON AND THEN DIMINISH. A WIND ADVISORY IS IN EFFECT UNTIL
3 PM THIS AFTERNOON FOR THE YAKIMA VALLEY AND THE WASHINGTON PORTION
OF THE LOWER COLUMBIA  BASIN AS SUCH. PLEASE REFER TO NWS PRODUCT ID
PDXNPWPDT FOR MORE DETAILS.
THE PUSH OF ARCTIC AIR INTO RELATIVELY WARMER AIR SOUTH OF THE FRONT
WILL CAUSE SOME AREAS OF LIGHT SNOW TODAY AND TONIGHT. THE AREA
MOSTLY LIKELY TO RECEIVE HEAVIEST SNOW ACCUMULATIONS WILL BE CENTRAL
OREGON WHERE A SNOW ADVISORY IS IN EFFECT UNTIL 3 PM THIS AFTERNOON
(REFER TO PDXWSWPDT FOR DETAILS). SNOW AMOUNTS ARE EXPECTED TO BE
VERY LIGHT WITH ONLY A FEW INCHES EXPECTED IN THE MOUNTAINS AND
PERHAPS A DUSTING TO AN INCH ELSEWHERE.
.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY
EXTREME COLD MONDAY AND TUESDAY
     EAST SLOPES OF THE CENTRAL CASCADES OF WASHINGTON, EAST SLOPES
     OF THE SOUTHERN CASCADES OF WASHINGTON, 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, 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
VERY COLD AIR BEHIND THE ARCTIC FRONT IN A NORTHERLY FLOW WILL
SETTLE ACROSS THE PACIFIC NORTHWEST THE FIRST PART OF THE COMING
WEEK. TEMPERATURES WILL BE WELL BELOW NORMAL AND WILL NOT RISE TO
ABOVE FREEZING THROUGH AT LEAST TUESDAY. LATER THIS WEEK THE FLOW
ALOFT WILL BECOME MORE NORTHWEST AND THEN WEST WHICH WILL ALLOW A
SLOW MODERATION OF TEMPERATURES DURING THE LATTER HALF OF THE WEEK.
THERE MAY BE VARIOUS PACIFIC WEATHER SYSTEMS THAT MAY RIDE UP AND
OVER THE DOME OF ARCTIC AIR IN PLACE LATER THIS WEEK AND COULD CAUSE
A WINTRY MIX OF PRECIPITATION TOWARD THE END OF THE WEEK INTO NEXT
WEEKEND. THAT SITUATION WILL BE MONITORED CLOSELY. PLEASE KEEP AWARE
OF THE LATEST FORECASTS AND WARNING AND/OR ADVISORIES WHICH MAY BE
ISSUED AS A RESULT THROUGH THIS NEXT COMING WEEK.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE REQUIRED OVER THE NEXT SEVERAL DAYS.
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.
$$