THE HYDROMETEOROLOGICAL PREDICTION CENTER

CAMP SPRINGS, MD


STORM SUMMARY MESSAGE



STORM SUMMARY NUMBER 06 FOR PACIFIC NORTHWEST WINTER STORM
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
100 PM PST THU NOV 19 2009
 
...A POWERFUL PACIFIC STORM IS AFFECTING THE PACIFIC NORTHWEST
WITH HIGH WINDS...HEAVY RAIN...AND HEAVY SNOW...
 
WINTER STORM AND AVALANCHE WARNINGS ARE IN EFFECT FOR THE
WASHINGTON CASCADES AND OLYMPIC MOUNTAINS. WINTER STORM WARNINGS
AND WINTER WEATHER ADVISORIES ARE IN EFFECT FOR PARTS OF
WASHINGTON STATE. HIGH WIND...GALE...AND STORM WARNINGS ARE IN
EFFECT ALONG THE COAST OF WASHINGTON AND OREGON. IN
ADDITION...WINTER STORM WATCHES AND WARNINGS ARE IN EFFECT FOR THE
HIGHER ELEVATIONS OF NORTHWESTERN CALIFORNIA AND THE SIERRA
NEVADA.
 
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV

AT 1200 PM PST...A 990 MB...29.24 INCHES...LOW PRESSURE CENTER WAS
LOCATED IN THE EASTERN PACIFIC ABOUT 300 MILES OFF THE COAST OF
THE PACIFIC NORTHWEST. NATIONAL WEATHER SERVICE DOPPLER RADAR AND
SURFACE OBSERVATIONS SHOWED THAT PRECIPITATION WAS COVERING MUCH
OF WASHINGTON STATE AS WELL AS NORTHWESTERN OREGON ASSOCIATED WITH
A WARM FRONT. THE HEAVIEST PRECIPITATION WAS AFFECTING MUCH OF
WESTERN WASHINGTON.

...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 400 AM PST WED NOV
18 THROUGH 1200 PM PST THU NOV 19...

...WASHINGTON...
ELKS MEADOW                           3.90
WYNOOCHEE LAKE                        3.59
QUILLAYUTE                            3.43                     
HOODSPORT                             1.45
PACKWOOD                              1.18

...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 400 AM PST WED NOV
18 THROUGH 1200 PM PST THU NOV 19...

...WASHINGTON...
EASTON 7 NNW                         11.0                     
CLAYTON 3 SW                          3.0                     
LEAVENWORTH 12 N                      2.5                     
METALINE FALLS 9 NNE                  2.5                     
NORTHPORT 5 NE                        2.5                     
COOLIN 7 NNW                          2.0                     
ELK 6 NE                              1.5                     

...SELECTED PEAK WIND GUSTS IN MILES PER HOUR EARLIER IN THE
EVENT...

...OREGON...
MOUNT HEBO                              72                     
CLATSOP SPIT                            68                     
GARIBALDI                               64                     
WARRENTON                               58                     
ASTORIA                                 55                     

...WASHINGTON...
TOKE POINT                              74                     
VAIL 4 ENE                              66                     
BELLINGHAM INTL ARPT                    58                     
FRIDAY HARBOR AIRPORT                   58                     
ANACORTES 2 WNW                         52                     
OCEAN PARK                              52                     
HOQUIAM/BOWERMAN AIRPORT                49                     
NEWPORT MUNI ARPT                       43                     
EVERETT/PAINE FIELD                     41                     


THE LOW PRESSURE CENTER OFF THE PACIFIC NORTHWEST COAST SHOULD
CONTINUE TO DEEPEN FOR THE REST OF TODAY AS IT MOVES TOWARD
VANCOUVER ISLAND AND THE CENTRAL BRITISH COLUMBIA COAST BY FRIDAY
MORNING. THIS LOW AND THE ASSOCIATED COLD FRONT STRETCHING
SOUTHWARD OFF THE PACIFIC NORTHWEST COAST WILL PRODUCE ADDITIONAL
HEAVY PRECIPITATION AND HIGH WINDS. TOTAL RAINFALL AMOUNTS OF 4 TO
8 INCHES ARE POSSIBLE FROM COASTAL NORTHWESTERN
CALIFORNIA...NORTHWARD ALONG THE OREGON AND WASHINGTON COASTS.
HEAVY SNOW IS LIKELY INLAND...WITH 1 TO 2 FEET POSSIBLE THROUGH
THE WASHINGTON AND OREGON CASCADES AND INTO THE MOUNTAINS OF
NORTHERN CALIFORNIA. IN ADDITION TO THE HEAVY SNOWS...AVALANCHES
WILL ALSO BE POSSIBLE OVER THE OLYMPICS AND THE CASCADE MOUNTAINS
OF WASHINGTON. HIGH WINDS EXCEEDING 50 MPH ARE LIKELY ALONG THE
COAST OF WASHINGTON AND OREGON.

THE NEXT STORM SUMMARY WILL BE ISSUED BY THE HYDROMETEOROLOGICAL
PREDICTION CENTER AT 700 PM PST. PLEASE REFER TO YOUR LOCAL
NATIONAL WEATHER SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS
EVENT.

KONG




Last Updated: 343 PM EST THU NOV 19 2009