811 WWUS46 KPQR 112357 WSWPQR URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE PORTLAND OR 400 PM PST WED DEC 11 2002 ORZ011-WAZ019-120200- NORTHERN OREGON CASCADES-SOUTH WASHINGTON CASCADES- INCLUDING THE CITIES OF...COLDWATER RIDGE VISITORS CENTER... DETROIT...GOVERNMENT CAMP AND MOUNT ST. HELENS 400 PM PST WED DEC 11 2002 ...A SNOW ADVISORY HAS ENDED FOR THE NORTHERN OREGON CASCADES AND THE SOUTH WASHINGTON CASCADES... A WARM FRONT HAS PUSHED INTO WASHINGTON THIS AFTERNOON...WITH PRECIPITATION NOW DECREASING ACROSS THE CASCADES. THE SNOW LEVEL OVER THE NORTH OREGON CASCADES IS NOW UP TO 6000 FEET...AND WILL HOVER BETWEEN 6 AND 7 THOUSAND FEET TONIGHT AND THURSDAY. AN ADDITIONAL 1 TO 2 INCHES ARE POSSIBLE ABOVE 6000 FEET TONIGHT. THE SNOW LEVEL WILL PLUMMET TO 3000 FEET THURSDAY NIGHT AS A VERY STRONG COLD FRONT PUSHES ACROSS THE REGION. NEW SIGNIFICANT ACCUMULATIONS ARE POSSIBLE THURSDAY NIGHT INTO FRIDAY MORNING. $$ ROCKEY