Monday, December 27, 2010

Special Weather Statement for Columbia County: Dec. 27, 2010

Special Weather Statement

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORTLAND OR
1200 PM PST MON DEC 27 2010

ORZ003>014-WAZ019-020-022-023-039-040-281800-
COAST RANGE OF NORTHWEST OREGON-
CENTRAL COAST RANGE OF WESTERN OREGON-LOWER COLUMBIA-
GREATER PORTLAND METRO AREA-CENTRAL WILLAMETTE VALLEY-
SOUTH WILLAMETTE VALLEY-WESTERN COLUMBIA RIVER GORGE-
NORTHERN OREGON CASCADE FOOTHILLS-NORTHERN OREGON CASCADES-
CASCADE FOOTHILLS IN LANE COUNTY-CASCADES IN LANE COUNTY-
UPPER HOOD RIVER VALLEY-SOUTH WASHINGTON CASCADES-WILLAPA HILLS-I-
5 CORRIDOR IN COWLITZ COUNTY-GREATER VANCOUVER AREA-
SOUTH WASHINGTON CASCADE FOOTHILLS-
INCLUDING THE CITIES OF...VERNONIA...JEWELL...TRASK...
GRANDE RONDE...TIDEWATER...SWISSHOME...ST. HELENS...CLATSKANIE...
HILLSBORO...PORTLAND...OREGON CITY...GRESHAM...SALEM...
MCMINNVILLE...DALLAS...EUGENE...CORVALLIS...ALBANY...HOOD RIVER...
CASCADE LOCKS...MULTNOMAH FALLS...SANDY...
SILVER FALLS STATE PARK...SWEET HOME...GOVERNMENT CAMP...
DETROIT...SANTIAM PASS...VIDA...LOWELL...COTTAGE GROVE...
MCKENZIE BRIDGE...OAKRIDGE...WILLAMETTE PASS...PARKDALE...ODELL...
COLDWATER RIDGE VISITORS CENTER...MOUNT ST. HELENS...FRANCES...
RYDERWOOD...LONGVIEW...KELSO...CASTLE ROCK...STEVENSON...
SKAMANIA...VANCOUVER...BATTLE GROUND...WASHOUGAL...TOUTLE...
ARIEL...COUGAR
1200 PM PST MON DEC 27 2010

...TURNING COLDER BY MIDWEEK...AND COLD TO END THE YEAR...

AFTER A MILD START TO THE LAST WEEK OF THE YEAR...A COLD FRONT
WILL PUSH ACROSS THE REGION TUESDAY NIGHT...USERING IN MUCH COLDER
WEATHER. IN THE LOWLANDS...OVERNIGHT LOWS EXPECTED IN THE MIDDLE
TO UPPER 20S...WHILE THE AFTERNOON HIGH TEMPERATURES WILL LIKELY
BE ONLY IN THE 30S. TEMPERATURES WILL BE COLDER IN THE CASCADES.

THIS IS NOT AN ARTIC OUTBREAK OF AIR...AND NOT A LOT OF EAST WIND
IS EXPECTED. HOWEVER...IT WILL BE COLD ENOUGH TO SEE SNOW
SHOWERS WEDNESDAY INTO THURSDAY. AT THIS TIME...SNOW ACCUMULATIONS
ARE EXPECTED TO BE LIGHT...THROUGH AN INCH OR TWO ARE POSSIBLE
ABOVE 500 FEET...OR ON HIGHER HILLS OF THE INTERIOR VALLEYS.

OVER THE COAST RANGE AND THE CASCADES...POTENTIAL FOR SNOW IS
BETTER. AT THIS TIME...THERE IS POTENTIAL FOR 3 TO 6 INCHES OF
SNOW IN THE COAST RANGE ABOVE 1000 FEET...AND PERHAPS 5 TO 10
INCHES IN THE CASCADES.

ANOTHER FAST MOVING SYSTEM WILL PASS ACROSS THE REGION FRIDAY AND
SATURDAY...WITH ANOTHER CHANCE OF SNOW SHOWERS.

IF YOU ARE PLANNING TRAVEL OVER THE MOUNTAINS AND THROUGH THE
WOODS LATER THIS WEEK...MONITOR THE LATEST WEATHER FORECASTS AND
POSSIBLE WARNINGS OR ADVISORIES. BE PREPARED FOR WINTERY DRIVING
CONDITIONS...ESPECIALLY OVER THE CASCADES RANGE.