STORM SUMMARY NUMBER 01 FOR PACIFIC NORTHWEST WINTER STORM
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD 
700 AM PST WED NOV 18 2009
 
...A POWERFUL PACIFIC STORM WILL MOVE INTO THE PACIFIC NORTHWEST
WITH HIGH WINDS...HEAVY RAIN AND HEAVY SNOW...
 

...WATCHES FOR FLOODING...HIGH WINDS...HEAVY SNOW AND AVALANCHES
ARE IN EFFECT FOR PORTIONS OF WASHINGTON...WHILE HIGH WIND WATCHES
AND WARNINGS COVER THE COASTAL AREAS OF OREGON... 
 
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV

AT 600 AM PST...A 985 MB LOW PRESSURE CENTER WAS LOCATED OVER THE
SOUTHERN GULF OF ALASKA...49.5N 141.9W WITH A STRONG COLD FRONT
EXTENDING SOUTH. THIS SYSTEM WILL STRENGTHEN AND MOVE INTO
SOUTHWESTERN CANADA AND THE PACIFIC NORTHWEST STATES WEDNESDAY
NIGHT AND THEN STALL. A SECOND AREA OF LOW PRESSURE WILL DEVELOP
JUST OFF THE BRITISH COLUMBIA COAST ON THURSDAY THEN MOVE ACROSS
THE PACIFIC NORTHWEST ON FRIDAY. STRONG WINDS...HEAVY RAIN AND
SNOW WILL INCREASE THIS AFTERNOON AND CONTINUE INTO THURSDAY AND
POSSIBLY FRIDAY. TOTAL RAINFALL OF 4 TO 8 INCHES...SNOWS MEASURED
IN FEET AND WINDS ABOVE 50 MPH ARE LIKELY. AVALANCHES WILL BE
POSSIBLE OVER THE OLYMPICS AND CASCADE MOUNTAINS OF WASHINGTON.


DOPPLER WEATHER RADARS AND SURFACE OBSERVATIONS SHOWED GENERALLY
LIGHT RAIN AND SNOW ACROSS THE REGION THIS MORNING. THE
PRECIPITATION WILL BEGIN TO INCREASE THIS AFTERNOON AND BECOMING
HEAVY THIS EVENING INTO TONIGHT.

THE NEXT STORM SUMMARY WILL BE ISSUED BY THE HYDROMETEOROLOGICAL
PREDICTION CENTER AT 100 PM PST. PLEASE REFER TO YOUR LOCAL
NATIONAL WEATHER SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS
EVENT.

ECKERT