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SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORTLAND OR
444 AM PST THU NOV 27 2014

ORZ001>008-010>016-WAZ019>022-039-040-045-046-272300-
NORTH OREGON COAST-CENTRAL OREGON COAST-
COAST RANGE OF NORTHWEST OREGON-
CENTRAL COAST RANGE OF WESTERN OREGON-LOWER COLUMBIA-
GREATER PORTLAND METRO AREA-CENTRAL WILLAMETTE VALLEY-
SOUTH WILLAMETTE VALLEY-NORTHERN OREGON CASCADE FOOTHILLS-
NORTHERN OREGON CASCADES-CASCADE FOOTHILLS IN LANE COUNTY-
CASCADES IN LANE COUNTY-UPPER HOOD RIVER VALLEY-
WESTERN COLUMBIA RIVER GORGE-CENTRAL COLUMBIA RIVER GORGE-
SOUTH WASHINGTON CASCADES-WILLAPA HILLS-SOUTH WASHINGTON COAST-I-
5 CORRIDOR IN COWLITZ COUNTY-GREATER VANCOUVER AREA-
SOUTH WASHINGTON CASCADE FOOTHILLS-
INCLUDING THE CITIES OF...ASTORIA...CANNON BEACH...TILLAMOOK...
LINCOLN CITY...NEWPORT...YACHATS...FLORENCE...VERNONIA...JEWELL...
SUNSET SUMMIT...LEES CAMP...TRASK...GRANDE RONDE...BURNT WOODS...
TIDEWATER...SWISSHOME...VENETA...ST. HELENS...CLATSKANIE...
HILLSBORO...PORTLAND...OREGON CITY...GRESHAM...SALEM...
MCMINNVILLE...WILSONVILLE...STAYTON...DALLAS...EUGENE...
SPRINGFIELD...CORVALLIS...ALBANY...SANDY...ESTACADA...
SILVER FALLS STATE PARK...SWEET HOME...GOVERNMENT CAMP...
DETROIT...SANTIAM PASS...VIDA...JASPER...LOWELL...COTTAGE GROVE...
MCKENZIE PASS...MCKENZIE BRIDGE...OAKRIDGE...WILLAMETTE PASS...
PARKDALE...ODELL...CORBETT...ROOSTER ROCK...MULTNOMAH FALLS...
CASCADE LOCKS...HOOD RIVER...COLDWATER RIDGE VISITORS CENTER...
MOUNT ST. HELENS...WIND RIVER VALLEY...WILLAPA...FRANCES...
ELK MOUNTAIN...RYDERWOOD...RAYMOND...LONG BEACH...OCEAN PARK...
NASELLE...CATHLAMET...LONGVIEW...KELSO...CASTLE ROCK...
VANCOUVER...BATTLE GROUND...WASHOUGAL...TOUTLE...ARIEL...
LAKE MERWIN...YALE LAKE...COUGAR...CARSON...STEVENSON...UNDERWOOD
444 AM PST THU NOV 27 2014

...UNSEASONABLY MILD WEATHER TO GIVE WAY TO MUCH COLDER
TEMPERATURES AND POSSIBLE LOW ELEVATION SNOW THIS WEEKEND...

FOR THE PAST SEVERAL DAYS...SOUTHWEST WASHINGTON AND NORTHWEST
OREGON HAVE BEEN EXPERIENCING RECORD SETTING WARMTH. HOWEVER...A
MAJOR WEATHER PATTERN CHANGE IS ON THE WAY. A SHARP COLD FRONT IS
EXPECTED TO MOVE THROUGH THE REGION FROM THE NORTH ON FRIDAY AND
FRIDAY EVENING. SNOW LEVELS WILL BE HIGH INITIALLY...BUT WILL
FALL SHARPLY BEHIND THE COLD FRONTAL PASSAGE. POST FRONTAL
SHOWERS MAY FALL AS A MIX OF RAIN AND SNOW DOWN TO THE VALLEY
FLOOR AT TIMES FRIDAY NIGHT AND SATURDAY. PRECIPITATION IS
EXPECTED TO END BY SATURDAY NIGHT. GUSTY OFFSHORE FLOW IS THEN
EXPECTED TO DEVELOP SATURDAY NIGHT AND SUNDAY. THIS OFFSHORE FLOW
WILL USHER IN FRIGID CONDITIONS AS IT PULLS IN AIR FROM AN ARCTIC
AIR MASS ON THE EAST SIDE OF THE CASCADES.

$$

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PENDLETON OR
417 AM PST THU NOV 27 2014

ORZ041-044-049-050-502-503-505>511-WAZ024-026>030-520-521-272300-
EAST COLUMBIA RIVER GORGE OF OREGON-
LOWER COLUMBIA BASIN OF OREGON-GRANDE RONDE VALLEY-WALLOWA COUNTY-
NORTHERN BLUE MOUNTAINS OF OREGON-
SOUTHERN BLUE MOUNTAINS OF OREGON-JOHN DAY BASIN-OCHOCO-
JOHN DAY HIGHLANDS-
FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON-
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-
EAST SLOPES OF THE OREGON CASCADES-NORTH CENTRAL OREGON-
CENTRAL OREGON-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 OF WASHINGTON-
EAST SLOPES OF THE WASHINGTON CASCADES-SIMCOE HIGHLANDS-
INCLUDING THE CITIES OF...ARLINGTON...THE DALLES...BOARDMAN...
HERMISTON...IONE...COVE...ELGIN...LA GRANDE...UNION...
ENTERPRISE...JOSEPH...WALLOWA...MEACHAM...TOLLGATE...LONG CREEK...
NORTH POWDER...UKIAH...DAYVILLE...JOHN DAY...MITCHELL...
MONUMENT...SPRAY...BROTHERS...PAULINA...PRAIRIE CITY...SENECA...
ATHENA...PENDLETON...PILOT ROCK...HEPPNER...CONDON...FOSSIL...
CAMP SHERMAN...LA PINE...SISTERS...SUNRIVER...DUFUR...MAUPIN...
MORO...BEND...MADRAS...PRINEVILLE...REDMOND...WHITE SALMON...
ELLENSBURG...THORP...NACHES...SUNNYSIDE...TOPPENISH...YAKIMA...
CONNELL...PROSSER...TRI-CITIES...DAYTON...WAITSBURG...
WALLA WALLA...SKI BLUEWOOD RESORT...APPLETON...CLE ELUM...
CLIFFDELL...BICKLETON...GOLDENDALE
417 AM PST THU NOV 27 2014

...ANOTHER SURGE OF COLD AIR FOR THE WEEKEND...

ANOTHER ARCTIC COLD FRONT IS EXPECTED TO MOVE ACROSS THE REGION
BY THIS COMING HOLIDAY WEEKEND. THE COLD FRONT IS EXPECTED TO
DROP SOUTHWARD OUT OF CANADA FRIDAY NIGHT AND SATURDAY. HIGH
TEMPERATURES ON SATURDAY WILL ONLY BE IN THE 30S...COOLING TO THE
20S AND LOW 30S ON SUNDAY AND MONDAY. OVERNIGHT LOWS WILL BE
MOSTLY IN THE TEENS...LOCALLY IN THE SINGLE DIGITS IN THE
MOUNTAINS OVER THE WEEKEND. THERE IS A POSSIBILITY OF SOME LIGHT
SNOW ACCUMULATIONS FRIDAY NIGHT AND SATURDAY AS SNOW LEVELS DROP.
THOSE TRAVELING THIS WEEKEND ARE URGED TO KEEP AWARE OF THE LATEST
FORECASTS AS THIS EVENT UNFOLDS.

$$

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Silver Spring, MD 20910
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Page last modified: June 2, 2009
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