THE HYDROMETEOROLOGICAL PREDICTION CENTER

COLLEGE PARK, MD


STORM SUMMARY MESSAGE



STORM SUMMARY NUMBER 18 FOR WESTERN U.S. HEAVY RAIN AND SNOW
NWS HYDROMETEOROLOGICAL PREDICTION CENTER COLLEGE PARK MD 
700 PM PST MON DEC 3 2012

...MORE RAINFALL ARRIVING TO THE WEST COAST TONIGHT AND FOR
TUESDAY...    

FLOOD WARNINGS AND FLOOD ADVISORIES ARE IN EFFECT FOR EXTREME
NORTHERN CALIFORNIA, WESTERN OREGON, AND WESTERN WASHINGTON STATE.

WINTER STORM WATCHES AND WINTER WEATHER ADVISORIES ARE IN EFFECT
FOR THE HIGHER ELEVATIONS OF THE PACIFIC NORTHWEST.

HIGH WIND WARNINGS AND WIND ADVISORIES ARE IN EFFECT FOR PORTIONS
OF EXTREME NORTHERN CALIFORNIA AND SOUTHERN OREGON, AS WELL AS
PARTS OF COASTAL WASHINGTON STATE.

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

AT 700 PM PST, THE STRONG COLD FRONT THAT BROUGHT WIDESPREAD HEAVY
PRECIPITATION AND HIGH WINDS TO THE WEST COAST ON SUNDAY HAS NOW
MOVED WELL EAST OF THE REGION AND NO LONGER PRODUCING
PRECIPITATION ALONG THE WEST COAST.  HOWEVER, AN EXPANSIVE AREA OF
LOW PRESSURE WITH A CENTRAL PRESSURE OF 985 MB (29.09 INCHES)
REMAINED NEARLY STATIONARY IN THE GULF OF ALASKA.  ANOTHER STRONG
FRONTAL SYSTEM IS FORECAST TO PIVOT AROUND THE SOUTHERN EDGE OF
THIS LOW AND BRING MORE HEAVY RAIN AND MOUNTAIN SNOW TO THE
REGION.  NATIONAL WEATHER SERVICE RADARS AND SURFACE OBSERVATIONS
INDICATED LIGHT TO MODERATE RAIN BEGINNING TO AFFECT COASTAL PARTS
OF NORTHERN CALIFORNIA TO THE OLYMPIC PENINSULA OF WASHINGTON. 
THE HEAVIEST PRECIPITATION IS STILL OFFSHORE AS OF THIS EVENING.

...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 400 PM PST TUE NOV
27 THROUGH 700 PM PST MON DEC 3...

...CALIFORNIA...
BRANDY CREEK (SHASTA)                23.48                    
STERLING CITY (FEATHER)              21.24                    
SIMS                                 17.90                    
PETROLIA 7.4 SE                      17.50                    
NORTH COAST CAMP SIX                 16.64                    
BRIDGEVILLE 5.2 ENE                  15.72                    
OAK MOUNTAIN                         15.16                    
MIRANDA 4.1 SW                       14.98                    
CAZADERO 6.9 WNW                     14.45                    
KINGVALE 1.3 WSW                     14.37                    
LOS GATOS 6.1 S                      13.89                    
BLUE CANYON                          13.41                    
REDWAY 1.8 WSW                       13.39                    
BRANDY CRK                           12.60                    
SECRET TOWN                          12.55                    
BEALE AFB/MARYSVILLE                  9.55                    
SAN FRANCISCO INTL AIRPORT            4.09                    

...IDAHO...
MULLAN PASS                           3.67                    
YELLOW PINE 0.2 SSW                   3.17                    
MCCALL 9.3 SSE                        3.16                    
GARDEN VALLEY 2.7 NW                  2.86                    
DOVER 0.4 SW                          1.95                    
SAGLE 1.8 NNE                         1.79                    
SANDPOINT 13.3 NE                     1.77                    
ST. MARIES 2.8 S                      1.57                    
ATHOL 1.5 ENE                         1.52                    
CLARK FORK 3.5 SE                     1.50                    

...MONTANA...
NOXON 9.1 NNW                         1.64                    
LIBBY 28.0 SSW                        1.24                    

...NEVADA...
RENO 5.6 WSW                          3.29                    
GARDNERVILLE 3.9 S                    2.17                    
CARSON CITY 2.3 NNE                   1.67                    
SPARKS 6.7 N                          1.13                    
INCLINE VILLAGE 4 NE                  1.12                    

...OREGON...
OBRIEN 2 SW                          12.35                    
FOSS                                  8.47                    
BROOKINGS 4.2 ENE                     8.28                    
MEDFORD 5.0 SSW                       7.83                    
GOLD HILL 5.4 NNW                     6.85                    
CAVE JUNCTION 3.7 E                   6.65                    
GRANTS PASS 6.1 SSE                   6.54                    
CENTRAL POINT 5.7 NW                  6.53                    
PORT ORFORD 5.0 E                     6.49                    
WILLIAMS 1 NW                         6.34                    
ASHLAND 1.4 ESE                       6.29                    
SHADY COVE 0.2 S                      5.90                    
SEXTON SUMMIT                         5.29                    

...WASHINGTON...
WYNOOCHEE LAKE                       10.72                    
BRINNON 1.7 WSW                       8.71                    
TRACYTON 2.3 WSW                      5.54                    
BREMERTON NATIONAL ARPT               5.32                    
QUILLAYUTE                            4.71                    
MONTESANO 4.5 SW                      4.53                    
GRAYS RIVER 0.9 SSE                   4.52                    
BREMERTON 2.9 NNE                     4.34                    
HOQUIAM/BOWERMAN AIRPORT              4.33                    
PORT LUDLOW 1.1 SSE                   3.97                    
CHIMACUM 5.1 S                        3.94                    
SILVERDALE 5.5 NNW                    3.87                    
OCEAN SHORES 1.2 N                    3.83                    
SEATTLE/BOEING FIELD                  3.06                    
OLYMPIA AIRPORT                       2.12                    

...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 400 PM PST TUE NOV
27 THROUGH 700 PM PST MON DEC 3...

...CALIFORNIA...
MT ROSE SKI                          45.0                    
MAMMOTH LAKES 2 WNW                  26.0                    
KIRKWOOD SKI RESORT                  22.0                    
SIERRA AT TAHOE                      19.0                    
KAISER POINT SNOTEL                  18.0                    
MITCHELL MEADOW SNOTEL               15.0                    
VOLCANIC KNOB SNOTEL                 14.0                    
BISHOP PASS SNOTEL                   12.0                    
SODA SPRINGS 1.5 SSW                 12.0                    
SUGAR BOWL SKI RESORT                12.0                    
CHAGOOPA PLATEAU SNOTEL              10.0                    
ALPINE MEADOWS                        9.0                    
CHARLOTTE LAKE SNOTEL                 8.0                    
TUNNEL GUARD STATION                  8.0                    
CHAGOOPA PLATEAU                      7.0                    
KAISER POINT                          7.0                    

...IDAHO...
DEADWOOD SUMMIT 1 W                  46.0                    
GROUSE 16 WNW                        43.0                    
KETCHUM 16 WSW                       42.0                    
ISLAND PARK 4 WSW                    34.0                    
CHALLIS 13 WSW                       28.0                    
KETCHUM 22 NW                        25.4                    
JAMES CREEK SUMMIT 1 ESE             24.0                    
N TRINITY LAKES                      20.0                    
ISLAND PARK 8 NW                     14.9                    
MACKAY 17 SW                         14.7                    
ARCO 33 WNW                          12.5                    
STANLEY 28 NE                        10.0                    

...MONTANA...
WEST YELLOWSTONE 10 S                16.0                    
BIG SKY 22 S                          9.0                    
EAST PORTAL 5 NNW                     8.0                    
LAKEVIEW 1 SW                         7.0                    

...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...
MAMMOTH MOUNTAIN                     150                    
WARD MOUNTAIN                        139                    
LAKE CITY 3 E                         90                    
SANDBERG                              86                    
HIGH GLADE LOOKOUT                    81                    
INDEPENDENCE 5 NW                     79                    
SIERRAVILLE 5 SSW                     78                    
DUNCAN PEAK RAWS                      77                    
REDDING 2 S                           71                    
MT. DIABLO RAWS                       67                    
BLUE CANYON                           66                    
RIVERSIDE                             63                    
SAN FRANCISCO INTL ARPT               50                    

...MONTANA...
LIVINGSTON 2 WSW                      77                    
NYE 5 SW                              76                    
EMIGRANT 3 SSE                        67                    
MCALLISTER 4 NNE                      67                    
BOULDER                               61                    

...NEVADA...
WARD MOUNTAIN                        139                    
MOUNT ROSE SKI ARE                    95                    
RENO 2 SSE                            95                    
LAKE CITY                             90                    
MOUNT MONTGOMERY 5 ENE                88                    
WASHOE CITY 1 S                       84                    
JARBIDGE 9 E                          83                    
WALTER LAKE                           80                    
VIRGINIA CITY 4 NNW                   77                    
KYLE CANYON RAWS                      73                    
CARSON CITY 6 SW                      72                    
GARDNERVILLE 5 WSW                    68                    
SILVER SPRINGS                        68                    

...OREGON...
NEWPORT                               74                    
SPRAGUE RIVER 10 SSE                  60                    

...SOUTH DAKOTA...
BUFFALO 1 N                           59                    

...UTAH...
CENTRAL WASATCH PEAKS                113                    
ALTA                                  85                    
SNOWBASIN                             72                    
BRIGHTON                              71                    
PARK CITY                             71                    

...WYOMING...
SHERIDAN                              68                    
ELK MOUNTAIN 5 W                      59                    
ARLINGTON                             54                    


ANOTHER FRONT IS FORECAST TO REACH THE WEST COAST DURING THE
OVERNIGHT HOURS AND INTO THE DAY ON TUESDAY, BRINGING ANOTHER
ROUND OF HEAVY PRECIPITATION.  AN ADDITIONAL 1 TO 4 INCHES OF RAIN
WILL BE POSSIBLE ACROSS AREAS OF NORTHERN CALIFORNIA AS WELL AS
WESTERN OREGON AND WASHINGTON.  THERE MAY BE ISOLATED HIGHER
AMOUNTS, AND THIS COULD LEAD TO LOCALIZED FLOODING ISSUES ON
ALREADY SATURATED GROUND.  AN ADDITIONAL 1 TO 3 FEET OF SNOW WILL
BE POSSIBLE THROUGH WEDNESDAY AT THE HIGHEST ELEVATIONS.  THIS
INCLUDES THE CASCADES AND INTO THE NORTHERN PORTION OF THE
INTERMOUNTAIN WEST.  STRONG AND GUSTY WINDS WILL ALSO BE LIKELY,
ESPECIALLY ALONG THE COAST AND IN THE HIGHER ELEVATIONS.   

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

HAMRICK




Last Updated: 947 PM EST MON DEC 03 2012