THE WEATHER PREDICTION CENTER

COLLEGE PARK, MD


STORM SUMMARY MESSAGE



STORM SUMMARY NUMBER 02 FOR POWERFUL WEST COAST STORM
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
100 PM PST THU DEC 11 2014

...POWERFUL STORM IMPACTING THE WEST COAST IS BRINGING HEAVY
RAIN...WIND...AND MOUNTAIN SNOW TO THE REGION... 

BLIZZARD WARNINGS ARE IN EFFECT FOR PORTIONS OF THE SIERRA NEVADA
MOUNTAIN RANGE IN CALIFORNIA.

WINTER STORM WARNINGS AND WINTER WEATHER ADVISORIES ARE IN EFFECT
FOR THE HIGHER ELEVATIONS OF CENTRAL AND NORTHERN CALIFORNIA...AND
PORTIONS OF NEVADA.

HIGH WIND WARNINGS AND WIND ADVISORIES ARE IN EFFECT FOR MUCH OF
CALIFORNIA...OREGON...WASHINGTON...AND NEVADA.

FLOOD WATCHES AND WARNINGS ARE IN EFFECT FOR PORTIONS OF
CALIFORNIA...OREGON...AND WASHINGTON.

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

AT 1200 PM PST...A STRONG LOW PRESSURE CENTER WITH A MINIMUM
PRESSURE OF 975 MB... 28.79 INCHES...WAS LOCATED APPROXIMATELY 150
MILES WEST OF THE CENTRAL OREGON COASTLINE MOVING NORTH NORTHEAST
TOWARD THE WASHINGTON COAST. NATIONAL WEATHER SERVICE RADARS AND
SURFACE OBSERVATIONS INDICATED HEAVY RAINFALL OVERSPREADING
CENTRAL AND NORTHERN CALIFORNIA...WESTERN OREGON...AND MOST OF
WASHINGTON. SUSTAINED WINDS IN CALIFORNIA AND SOUTHERN OREGON HAVE
BEEN OBSERVED BETWEEN 20 AN 40 MPH WITH GUSTS OF OVER 60 MPH. 

...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 900 AM PST SAT DEC
10 THROUGH 1200 PM PST MON DEC 11...

...CALIFORNIA...
VENADO 7 NNW                          5.52                    
HAWKEYE                               5.34                    
MOUNT SHASTA 2 S                      5.10                    
CLOVERDALE                            4.50                    
LAKE SONOMA REC AREA                  4.50                    
CLOVERDALE 2 ESE                      4.19                    
ROHNERT PARK 2 WNW                    4.05                    
OCCIDENTAL 2 WSW                      3.97                    
REDDING 3 N                           3.74                    
ANGWIN                                3.40                    
LAYTONVILLE 1 SW                      3.35                    
MONTE RIO                             3.29                    
MILLVILLE 2 ESE                       3.21                    
HEALDSBURG 4 E                        3.04                    
TENNANT                               2.68                    
SANTA ROSA 1 NW                       2.46                    
OLEMA VALLEY                          2.34                    
COTTONWOOD 9 SW                       2.25                    
WEED 5 WNW                            2.18                    
RED BLUFF 6 W                         2.13                    
EUREKA WFO                            1.16                    
FORT BRAGG                            1.16                    
NAPA 2 NNW                            1.12                    

...OREGON...
GOLD BEACH                            2.78                    
SELMA 5 NNE                           2.53                    
OBRIEN 2 SSW                          2.14                    
MERLIN 2 W                            2.11                    
LEES CAMP                             1.90                    
FLORENCE 2 NW                         1.45                    
HASKINS DAM                           1.20                    
DALLAS                                1.11                    

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

...CALIFORNIA...
SODA SPRINGS 4 SE                    135                    
WHITE MOUNTAIN PEAK NE               113                    
INCLINE VILLAGE 6 NE                 112                    
MAMMOTH LAKES 3 W                    111                    
ALPINE MEADOWS 1 SW                  109                    
SIERRAVILLE 5 SSE                     74                    
MT. DIABLO                            68                    
WOODACRE                              63                    
GASQUET 12 SE                         62                    
WEITCHPEC 11 WSW                      60                    
PETROLIA 4 S                          58                    
CRESCENT CITY 1 ESE                   53                    
KNEELAND                              50                    

...NEVADA...
GARDNERVILLE 5 WSW                    93                    
GALENA E                              82                    
CARSON CITY 3 ENE                     76                    
RENO 4 SE                             70                    
SPANISH SPRINGS AIR 3 W               66                    
VERDI 4 E                             63                    

...OREGON...
RUCH 12 S                            117                    
CAYUSE 1 WNW                          95                    
MILTON-FREEWATER 11 ENE               91                    
PORT ORFORD 5 SSE                     85                    
BROOKINGS 1 SE                        81                    
KOOSKOOSKIE 3 WSW                     78                    
SPRAGUE RIVER 12 NNW                  76                    
PENDLETON 10 SE                       75                    
SUTHERLIN 7 ESE                       75                    
ASHLAND 1 ENE                         74                    
GOLD BEACH 2 ESE                      74                    
CAYUSE                                72                    
JOSEPH 2 N                            68                    
FOSSIL 9 ENE                          67                    
UNION 5 WNW                           60                    

...WASHINGTON...
DIXIE                                 64                    
WALLA WALLA                           63                    
WAITSBURG                             61                    


THE SURFACE LOW WILL TRACK NORTH NORTHEAST AND MOVE ONSHORE IN
BRITISH COLUMBIA BY THURSDAY NIGHT. MODERATE TO HEAVY RAIN WILL
CONTINUE TO SPREAD NORTHWARD WITH THE SURFACE LOW INTO THE PACIFIC
NORTHWEST. A COLD FRONT TRAILING THE LOW WILL MOVE OVER CALIFORNIA
THIS EVENING AND INTO TONIGHT...BRINGING WITH IT HEAVY RAIN THAT
WILL SPREAD INTO SOUTHERN CALIFORNIA. RAINFALL TOTALS OF 3 TO 6
INCHES...WITH LOCALLY HIGHER AMOUNTS...ARE POSSIBLE ACROSS CENTRAL
AND NORTHERN CALIFORNIA. RAINFALL AMOUNTS 2 TO 4 INCHES...WITH
LOCALLY HIGHER AMOUNTS...ARE EXPECTED ACROSS SOUTHERN CALIFORNIA.
COASTAL OREGON AND WASHINGTON CAN EXPECT UP TO AN INCH OF RAIN.
MODERATE TO HEAVY SNOW WILL FALL ACROSS THE HIGHER TERRAIN OF
CALIFORNIA 2 FEET POSSIBLE IN THE CREST OF THE SIERRAS. 

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

FANNING




Last Updated: 258 PM EST THU DEC 11 2014