THE HYDROMETEOROLOGICAL PREDICTION CENTER

COLLEGE PARK, MD


STORM SUMMARY MESSAGE



STORM SUMMARY NUMBER 08 FOR WESTERN U.S. HEAVY RAIN AND SNOW
NWS HYDROMETEOROLOGICAL PREDICTION CENTER COLLEGE PARK MD
700 AM PST SAT DEC 01 2012

...HEAVY RAIN...WIND...AND SNOW CONTINUE TO IMPACT THE WEST
COAST...    

FLOOD AND FLASH FLOOD WATCHES... WARNINGS... AND COASTAL FLOOD
ADVISORIES ARE IN EFFECT FOR PORTIONS OF NORTHERN AND CENTRAL
CALIFORNIA... AND COASTAL REGIONS IN CALIFORNIA... SOUTHWEST
OREGON... AND THE PUGET SOUND IN WASHINGTON.

HIGH WIND WATCHES...WARNINGS...AND WIND ADVISORIES ARE IN EFFECT
FOR PORTIONS OF CENTRAL AND NORTHERN CALIFORNIA... CENTRAL AND
EASTERN OREGON... THE NORTHERN HALF OF NEVADA... THE SOUTHWEST
CORNER OF IDAHO AND PARTS OF NORTHERN AND CENTRAL MONTANA.

WINTER STORM WATCHES AND WARNINGS ARE IN EFFECT FOR THE HIGHER
ELEVATIONS OF WASHINGTON... OREGON... IDAHO... WESTERN MONTANA...
AND WESTERN WYOMING.  A WINTER WEATHER ADVISORY IS ALSO IN EFFECT
FOR PARTS OF THE CASCADES IN WASHINGTON.

FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV

AT 600 AM PST...AN EXPANSIVE AREA OF LOW PRESSURE WITH A CENTRAL
PRESSURE OF 977 MB...28.84 INCHES...CENTERED OVER THE NORTHEAST
PACIFIC CONTINUES TO FEED MOISTURE INTO THE WESTERN U.S. A FRONTAL
SYSTEM EXTENDING TO THE SOUTHEAST FROM THE LOW HAD BEGUN TO PUSH
ITS WAY ONSHORE INTO WESTERN WASHINGTON AND OREGON.  ALONG AND
AHEAD OF THE FRONT... NATIONAL WEATHER SERVICE DOPPLER RADARS AND
SURFACE OBSERVATIONS INDICATED SCATTERED TO WIDESPREAD MODERATE
RAIN FROM CENTRAL CALIFORNIA NORTHWARD THROUGH WESTERN OREGON...
AND INTO WESTERN WASHINGTON.  MORE SCATTERED AND LIGHTER
PRECIPITATION WAS ALSO FALLING FROM EASTERN WASHINGTON INTO PARTS
OF WESTERN WYOMING. THE MAJORITY OF THE PRECIPITATION ACROSS THE
REGION IS FALLING IN THE FORM OF RAIN. HOWEVER... SNOW WAS
RECORDED IN HIGHER ELEVATIONS SUCH AS THE SIERRA NEVADA AND THE
CASCADES.       

...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 400 PM PST TUE NOV
27 THROUGH 600 AM PST SAT DEC 01...

...CALIFORNIA...
PETROLIA 7.4 SE                      10.09                    
OAK MOUNTAIN RAWS                     9.41                    
CAZADERO 6.9 WNW                      9.11                    
STIRLING CITY                         9.08                    
ST. HELENA 5 ESE                      8.82                    
BRIDGEVILLE 5.2 ENE                   8.36                    
LA PORTE SNOW COURSE                  8.28                    
GREENFIELD 24 SW                      8.15                    
CLEAR CRK                             8.08                    
LUCIA 5 NNW                           8.03                    
VENADO                                8.00                    
BLUE CANYON                           7.94                    
BRANDY CRK                            7.76                    
WHISPERING PINES                      7.76                    
SIMS 1 SSW                            7.50                    
LEXINGTON HILLS 4 E                   7.44                    
CRESCENT CITY 4.2 NE                  7.25                    
MC CLOUD 9 SSE                        7.07                    

...NEVADA...
RENO 5.6 WSW                          1.47                    
INCLINE VILLAGE 4 NE                  1.11                    

...OREGON...
OBRIEN 2 SW                           6.35                    
RUCH 1 NW                             4.90                    
MERLIN 6 SW                           4.50                    
CAVE JUNCTION 5 SE                    4.33                    
WILLIAMS 1 W                          4.09                    
BROOKINGS 4.2 ENE                     3.86                    
GOLD HILL 5.4 NNW                     3.55                    
APPLEGATE 5 NNW                       3.43                    
CENTRAL POINT 5.7 NW                  3.43                    
CAVE JUNCTION 3.7 E                   3.40                    
GRANTS PASS 4 N                       3.30                    
RIDDLE                                3.30                    
WILLIAMS 1 NW                         3.30                    
JACKSONVILLE 8.9 WSW                  3.23                    
SELMA 5 NNE                           3.23                    
TRAIL 2.3 NNW                         3.20                    

...WASHINGTON...
BREMERTON NATIONAL ARPT               2.49                    
QUILLAYUTE                            2.36                    
COPALIS CROSSING 2.1 NNW              2.29                    
BRINNON 3 SW                          2.10                    
HOQUIAM/BOWERMAN AIRPORT              2.03                    
TAHUYA 2.6 NE                         1.82                    
SEATTLE/BOEING FIELD                  1.46                    
OCEAN SHORES 1.2 N                    1.34                    
ABERDEEN 0.7 WSW                      1.32                    
CHIMACUM 5.1 S                        1.24                    

...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 400 PM PST TUE NOV
27 THROUGH 600 AM PST SAT DEC 01...

...CALIFORNIA...
MAMMOTH LAKES 2 WNW                  26.0                    
KIRKWOOD SKI RESORT                  22.0                    
SIERRA AT TAHOE                      19.0                    
SUGAR BOWL SKI RESORT                12.0                    
ALPINE MEADOWS                        9.0                    
CHARLOTTE LAKE                        8.0                    
SODA SPRINGS 1.5 SSW                  8.0                    
CHAGOOPA PLATEAU                      7.0                    
KAISER POINT                          7.0                    
SQUAW VALLEY                          6.0                    
VOLCANIC KNOB                         6.0                    

...NEVADA...
MOUNT ROSE SKI AREA                  23.0                    
DAGGET PASS                           8.0                    

...OREGON...
ASHLAND 8 S                          10.0                    

...WASHINGTON...
WINTHROP 6.8 NNW                      5.0                    
PLAIN 0.8 NW                          4.0                    

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

...CALIFORNIA...
SANDBERG                              86                    
INDEPENDENCE 5 NW                     79                    
SIERRAVILLE 5 SSW                     78                    
REDDING 2 S                           71                    
HIGH GLADE LOOKOUT                    67                    
MT. DIABLO RAWS                       67                    
BLUE CANYON                           66                    
DOYLE 3 N                             66                    
OXNARD AIRPORT                        66                    
DUNCAN PEAK RAWS                      64                    
SADDLEBACK RAWS                       63                    
REDDING                               61                    
CRESCENT MILLS 3 SW                   60                    
JANESVILLE                            60                    

...NEVADA...
MOUNT ROSE SKI AREA 4 NE              90                    
MOUNT MONTGOMERY 5 ENE                88                    
VIRGINIA CITY 4 NNW                   77                    
CARSON CITY 6 SW                      72                    
GARDNERVILLE 5 WSW                    68                    
SILVER SPRINGS                        68                    
RENO 2 NE                             60                    
RENO/CANNON INTL ARPT                 59                    

...OREGON...
SPRAGUE RIVER 10 SSE                  60                    

...WASHINGTON...
WENATCHEE/PANGBORN MEM ARPT          102                    

...WYOMING...
ELK MOUNTAIN 5 W                      59                    


THE MODERATE TO HEAVY PRECIPITATION CURRENTLY AFFECTING THE
PACIFIC NORTHWEST AND THE NORTHERN HALF OF CALIFORNIA IS EXPECTED
TO CONTINUE THROUGH SUNDAY. SOME AREAS COULD RECEIVE STORM TOTAL
RAINFALL OF 12 TO 15 INCHES...WITH LOCALLY HIGHER AMOUNTS
POSSIBLE. IN THE HIGHER ELEVATIONS OF IDAHO....NORTHWEST
WYOMING...WESTERN WASHINGTON...AND THE NORTHERN SIERRA NEVADA OF
CALIFORNIA...SNOWFALL TOTALS OF 1 TO 3 FEET WILL BE
POSSIBLE...WITH LOCALLY HIGHER AMOUNTS. ADDITIONALLY... STRONG
WINDS ARE EXPECTED TO CONTINUE ACROSS MUCH OF THE WEST COAST GIVEN
THE STRONG PRESSURE GRADIENT BETWEEN HIGH PRESSURE IN THE
SOUTHWEST U.S. AND THE NEARLY STATIONARY LOW PRESSURE SYSTEM IN
THE NORTHEAST PACIFIC.  

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.

MONARSKI




Last Updated: 946 AM EST SAT DEC 01 2012