Interactive NWS Alert Information
New Event for Portland, Oregon
Winter Weather Advisory valid from Dec 18 12 12:00 AM to 11:00 AM PST
Sent to SMS and E-Mail at Dec 17 12 3:34 PM PST
Radar Time: Dec 18 2012 12:00 AM PST
ORZ006>009-WAZ022-023-039-180845- /O.NEW.KPQR.WW.Y.0032.121218T0800Z-121218T1900Z/ GREATER PORTLAND METRO AREA-CENTRAL WILLAMETTE VALLEY- SOUTH WILLAMETTE VALLEY-WESTERN COLUMBIA RIVER GORGE-I- 5 CORRIDOR IN COWLITZ COUNTY-GREATER VANCOUVER AREA- INCLUDING THE CITIES OF...HILLSBORO...PORTLAND...OREGON CITY... GRESHAM...TROUTDALE...SALEM...MCMINNVILLE...EUGENE...CORVALLIS... ALBANY...HOOD RIVER...CASCADE LOCKS...MULTNOMAH FALLS...CORBETT... LONGVIEW...KELSO...STEVENSON...SKAMANIA...VANCOUVER... BATTLE GROUND...CAMAS...WASHOUGAL 334 PM PST MON DEC 17 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 11 AM PST TUESDAY FOR THE I-5 CORRIDOR IN SOUTHWEST WASHINGTON AND THE WILLAMETTE VALLEY IN OREGON... THE NATIONAL WEATHER SERVICE IN PORTLAND HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 11 AM PST TUESDAY. * TIMING...SNOW WILL BEGIN TO ACCUMULATE IN SOME AREAS AFTER MIDNIGHT TONIGHT AND MOSTLY END TUESDAY AFTERNOON. * ACCUMULATION/SNOW LEVELS...SNOW LEVELS AROUND 1000 FEET EARLY THIS EVENING WILL LOWER TO BETWEEN SEA LEVEL AND 500 FEET DURING THE EARLY MORNING HOURS TUESDAY. SNOW WILL LIKELY ACCUMULATE ON THE HIGHER HILLS WITH AMOUNTS RANGING FROM 1 TO 3 INCHES AND SMALL ACCUMULATIONS UP TO 1 INCHES ARE POSSIBLE IN HEAVIER SHOWERS IN THE LOWER ELEVATIONS. SNOW LEVEL WILL RISE TO 500 TO 1000 FEET TUESDAY AFTERNOON. * IMPACTS...THE TIMING OF COLDEST AIR AND SHOWERS REACHING THE VALLEY JUST BEFORE AND DURING THE MORNING COMMUTE COULD CAUSE PROBLEMS FOR MOTORISTS...ESPECIALLY IN THE HILLS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. &&