WINTER STORM WARNING
Issue Date: 1230 AM PST TUE DEC 15 2009
Expiration: 600 PM PST TUE DEC 15 2009

...ANOTHER WINTER STORM WILL IMPACT EASTERN OREGON AND WASHINGTON
TONIGHT TODAY...
.A PACIFIC STORM WILL SPREAD A WINTRY MIX OF PRECIPITATION OVER
EASTERN OREGON AND SOUTH CENTRAL AND SOUTHEAST WASHINGTON. THE
PRECIPITATION WILL INCLUDE SIGNIFICANT SNOW AND FREEZING RAIN.
WAZ027-151630-
/O.CON.KPDT.WS.W.0011.000000T0000Z-091216T0200Z/
YAKIMA VALLEY-
INCLUDING THE CITIES OF...SUNNYSIDE...YAKIMA
1229 AM PST TUE DEC 15 2009
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS
EVENING...
A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS
EVENING.
* SNOW WILL CONTINUE THIS MORNING...THEN CHANGING TO FREEZING RAIN
  DURING THE DAY.
* A STORM TOTAL OF 7 TO 10 INCHES OF SNOW IS EXPECTED IN THE YAKIMA
  VALLEY.
* ICE ACCUMULATIONS LESS THAN ONE QUARTER OF AN INCH ARE
  EXPECTED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT SNOW
ACCUMULATIONS ARE EXPECTED. SNOWFALL INTENSITIES WILL BE HEAVY
ENOUGH TO SUBSTANTIALLY REDUCE VISIBILITIES AT TIMES. FOR
ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT
WWW.WEATHER.GOV/PENDLETON.
&&
$$

WINTER WEATHER ADVISORY
Issue Date: 1230 AM PST TUE DEC 15 2009
Expiration: 1000 AM PST TUE DEC 15 2009

...ANOTHER WINTER STORM WILL IMPACT EASTERN OREGON AND WASHINGTON
TONIGHT TODAY...
.A PACIFIC STORM WILL SPREAD A WINTRY MIX OF PRECIPITATION OVER
EASTERN OREGON AND SOUTH CENTRAL AND SOUTHEAST WASHINGTON. THE
PRECIPITATION WILL INCLUDE SIGNIFICANT SNOW AND FREEZING RAIN.
WAZ502-151630-
/O.CON.KPDT.WW.Y.0042.000000T0000Z-091215T1800Z/
EAST SLOPES OF THE SOUTHERN CASCADES OF WASHINGTON-
INCLUDING THE CITIES OF...GOLDENDALE...APPLETON...TROUT LAKE...
BICKLETON
1229 AM PST TUE DEC 15 2009
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...
A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING.
* SNOW WILL CONTINUE OVERNIGHT. SNOW WILL CHANGE TO A WINTRY MIX
  OF SNOW...SLEET...AND FREEZING RAIN THIS MORNING.
* A STORM TOTAL OF 4 TO 8 INCHES OF SNOW IS EXPECTED. ICE
  ACCUMULATIONS LESS THAN ONE QUARTER OF AN INCH ARE EXPECTED.
* HIGHWAYS THROUGH MOUNTAIN PASSES WILL LIKELY BE COVERED WITH
  SIGNIFICANT SNOW AND ICE CREATING HAZARDOUS WINTER DRIVING
  CONDITIONS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING. FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE
AT WWW.WEATHER.GOV/PENDLETON.
&&
$$

HAZARDOUS WEATHER OUTLOOK
Issue Date: 334 PM PST MON DEC 14 2009
Expiration: 615 AM PST TUE DEC 15 2009

Expires:200912151415;;
FLUS46 KPDT 142334 AAA
HWOPDT
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE PENDLETON OR
334 PM PST MON DEC 14 2009
ORZ041>044-049-050-501>506-WAZ024-026>030-501-502-151415-
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-
334 PM PST MON DEC 14 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND NORTHEAST OREGON
AS WELL AS SOUTH CENTRAL AND SOUTHEAST WASHINGTON.
.DAY ONE...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, NORTHERN WHEELER AND SOUTHERN
     GILLIAM COUNTIES, JOHN DAY BASIN, OCHOCO-JOHN DAY HIGHLANDS
A STRONG PACIFIC STORM SYSTEM WILL INVADE WASHINGTON AND OREGON THIS
EVENING THROUGH TUESDAY...BRINGING A WINTRY MIX OF SNOW...SLEET
AND FREEZING RAIN EAST OF THE CASCADES. PRECIPITATION WILL DEVELOP
ALONG THE EAST SLOPES OF THE CASCADES LATE THIS AFTERNOON THEN WILL
SPREAD OVER THE REMAINDER OF THE REGION TONIGHT.  MODERATE TO HEAVY
SNOW IS FORECAST FOR THE EAST SLOPES OF THE WASHINGTON CASCADES AS
WELL AS THE KITTITAS AND YAKIMA VALLEYS...AND WINTER STORM WARNINGS
AND WINTER WEATHER ADVISORIES HAVE BEEN POSTED FOR THESE AREAS.  IN
ADDITION...A WINTER WEATHER ADVISORIES HAVE BEEN ISSUED FOR MUCH OF
THE REMAINDER OF THE AREA FOR EITHER SNOW OR A WINTERY MIX. DETAILS
ON THIS SIGNIFICANT WINTER WEATHER EVENT CAN BE FOUND IN THE NWS
PRODUCT PDXWSWPDT.
.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY
WINTER MIX TUESDAY
     EASTERN COLUMBIA RIVER GORGE OF WASHINGTON, LOWER COLUMBIA
     BASIN OF WASHINGTON, EASTERN COLUMBIA RIVER GORGE OF OREGON,
     LOWER COLUMBIA BASIN OF OREGON
SNOW TUESDAY
     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, NORTHERN WHEELER AND SOUTHERN
     GILLIAM COUNTIES, JOHN DAY BASIN, OCHOCO-JOHN DAY HIGHLANDS
MODERATE TO HEAVY SNOW...SLEET...AND FREEZING RAIN WILL CONTINUE FOR
MOST OF THE AREA THROUGH TUESDAY MORNING.  A WARM FRONT WILL
GRADUALLY WARM THE AIR MASS TUESDAY THROUGH WEDNESDAY...BUT ICY
CONDITIONS ARE EXPECTED IN THE COLUMBIA BASIN THROUGH TUESDAY
AFTERNOON UNTIL THE COLD AIR AT THE SURFACE SCOURS OUT.  A SERIES OF
PACIFIC FRONTAL SYSTEMS WILL BRING LOW ELEVATION RAIN AND A
RAIN/SNOW MIX OVER THE MOUNTAINS THROUGH THE REMAINDER OF 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.
$$