THE WEATHER PREDICTION CENTER

COLLEGE PARK, MD


STORM SUMMARY MESSAGE



STORM SUMMARY NUMBER 06 FOR POWERFUL WEST COAST STORM
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
100 PM PST FRI DEC 12 2014

...STRONG STORM IMPACTING THE WEST COAST CONTINUES TO BRING HEAVY
RAIN...WIND...AND MOUNTAIN SNOW TO THE REGION... 

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

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

WIND ADVISORIES ARE IN EFFECT FOR WESTERN UTAH AND NORTHWEST
ARIZONA.

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
CENTRAL PRESSURE OF 1000 MB...29.53 INCHES...WAS LOCATED IN
CENTRAL ALBERTA. A COLD FRONT EXTENDED FROM THE LOW ACROSS THE
INTERMOUNTAIN WEST...INTO SOUTHERN CALIFORNIA...AND DOWN INTO THE
PACIFIC OCEAN. NATIONAL WEATHER SERVICE RADARS AND SURFACE
OBSERVATIONS INDICATED HEAVY TO VERY HEAVY RAINFALL OVERSPREADING
THE MAJORITY OF CALIFORNIA. FARTHER NORTH IN WASHINGTON AND
OREGON...SCATTERED LIGHT TO MODERATE RAIN WAS BEING
REPORTED...ESPECIALLY IN THE EASTERN PORTIONS OF THE STATES. IN
THE HIGHEST ELEVATIONS OF CALIFORNIA AND OREGON...LIGHT TO
MODERATE SNOWFALL WAS BEING REPORTED. IN ADDITION TO THE RAIN AND
SNOW...GUSTY WINDS UP TO 40 MPH WHERE BEING REPORTED IN THE HIGHER
ELEVATIONS OF THE INTERMOUNTAIN WEST. 

...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 900 AM PST WED DEC
10 THROUGH 1200 PM PST FRI DEC 12...

...CALIFORNIA...
WHISKEYTOWN 1 SSW                    14.48                    
LAKESHORE SHASTA CO                  11.24                    
HAWKEYE                              11.22                    
BOGGS MOUNTAIN RAWS                  10.24                    
PESCADERO                             9.70                    
GIRARD                                9.64                    
MT. SAINT HELENA                      9.06                    
BOULDER CREEK 9 WNW                   8.89                    
SHASTA DAM                            8.88                    
WHISPERING PINES                      8.76                    
MINERAL                               8.47                    
BIG SUR RAWS                          8.31                    
STIRLING CITY                         8.27                    
YORKVILLE                             7.52                    
DE SABLA                              7.46                    
STORRIE                               7.02                    
PARADISE                              6.73                    
TROUGH SPRING                         6.71                    
SAN FRANCISCO 2 SSW                   4.28                    
MONTERY NWS                           3.54                    
SAN FRANCISCO DOWNTOWN                3.46                    
SAN JOSE ARPT                         3.39                    
SACRAMENTO 2 SE                       3.33                    
OAKLAND ARPT                          3.22                    

...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 STORM TOTAL SNOWFALL IN INCHES FROM 900 AM PST WED DEC
10 THROUGH 1200 PM PST FRI DEC 12...

...CALIFORNIA...
LODGEPOLE 9 N                        19.8                    
SODA SPRINGS 3 ENE                   19.0                    
CARSON PASS                          16.0                    
BLUE CANYON                          14.8                    
DEVILS POSTPILE 7 NNW                14.0                    
KINGVALE                             13.0                    
KIRKWOOD MEADOWS 1 SE                13.0                    
LAKE WISHON 4 ENE                    10.5                    
MANZANIA LAKE 1 WNW                  10.0                    
KINGVALE 1 W                          9.0                    
BASS LAKE 11 E                        5.8                    
TWAIN 6 S                             4.0                    
FLORENCE LAKE 7 WNW                   3.0                    
OAKHURST 8 N                          2.5                    
YOSEMITE VALLEY 1 NNE                 0.7                    

...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                    
GRAPEVINE 3 SSE                      105                    
SIERRAVILLE 5 SSE                     74                    
KEENE 7 SW                            71                    
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...
BENTON 4 E                           139                    
BLUE EAGLE RANCH 11 SSE               96                    
GARDNERVILLE 5 WSW                    93                    
GALENA E                              82                    
GREAT BASIN NATION 3 WNW              78                    
CARSON CITY 3 ENE                     76                    
RENO 4 SE                             70                    
SPANISH SPRINGS AIR 3 W               66                    
VERDI 4 E                             63                    
EUREKA AIRPORT                        60                    

...OREGON...
RUCH 12 S                            117                    
SQUAW PEAK                           117                    
CAYUSE 1 WNW                          95                    
MILTON-FREEWATER 11 ENE               91                    
MT HEBO                               90                    
MT. HEBO                              90                    
PORT ORFORD 5 SE                      90                    
TILLAMOOK 15 ESE                      90                    
SEA LION CAVES                        89                    
MARYS PEAK                            88                    
BROOKINGS 1 SE                        81                    
NEWPORT SOUTH JETTY                   79                    
KOOSKOOSKIE 3 WSW                     78                    
SPRAGUE RIVER 12 NNW                  76                    
PENDLETON 10 SE                       75                    
SUTHERLIN 7 ESE                       75                    
YACHAT NNW                            75                    
ASHLAND 1 ENE                         74                    
PORTLAND ARPT                         67                    

...WASHINGTON...
NASELLE                               77                    
DIXIE                                 64                    
WALLA WALLA                           63                    
CAMANO 2 SSE                          61                    
WAITSBURG                             61                    
FREELAND 2 SSE                        59                    
PORT TOWNSEND 1 SE                    59                    
MCCHORD AFB                           58                    
BANKS                                 56                    
VANCOUVER LAKE 2 NNE                  55                    


THE SURFACE LOW WILL TRACK EASTWARD ACROSS WESTERN CANADA THROUGH
FRIDAY EVENING... WHILE THE ASSOCIATED COLD FRONT WILL PUSH
EASTWARD ACROSS THE INTERMOUNTAIN WEST. THE HEAVY RAINFALL ACROSS
CENTRAL AND SOUTHERN CALIFORNIA SHOULD BEGIN TO TAPER OFF BY THIS
EVENING AND INTO TONIGHT. ACROSS THE INTERMOUNTAIN WEST...SOME
LIGHT TO MODERATE RAIN CAN BE EXPECTED THROUGH SATURDAY. ANOTHER 1
TO 3 INCHES OF RAIN CAN BE EXPECTED ALONG FAVORABLE SLOPES OF
CENTRAL AND SOUTHERN CALIFORNIA AND GENERALLY LESS THAN AN INCH
FOR THE REMAINDER OF THE WEST COAST AND INTERMOUNTAIN REGIONS.
SNOW WILL FALL IN THE HIGHEST ELEVATIONS OF CALIFORNIA...WITH AN
ADDITIONAL 2 TO 4 INCHES POSSIBLE IN THE SIERRAS BY SATURDAY. IN
NEVADA...4 TO 8 INCHES OF SNOW IS POSSIBLE IN THE HIGHER
ELEVATIONS. 

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: 259 PM EST FRI DEC 12 2014