STORM SUMMARY NUMBER 01 FOR WESTERN U.S. WINTER STORM
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
100 AM PST SAT DEC 07 2013

...VIGOROUS STORM SYSTEM BRINGING SNOW TO THE WESTERN STATES...  

WINTER STORM WARNINGS AND WINTER WEATHER ADVISORIES ARE IN EFFECT
FROM PARTS OF OREGON AND CALIFORNIA EASTWARD INTO THE
INTERMOUNTAIN STATES. A FREEZING RAIN ADVISORY IS IN EFFECT FOR
PORTIONS OF CENTRAL AND EASTERN NEW MEXICO.

HIGH WIND WARNINGS ARE IN EFFECT FOR PORTIONS OF SOUTHERN
CALIFORNIA.

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

AT 1200 AM PST...A SURFACE LOW WITH A CENTRAL PRESSURE OF 1008
MB...29.77 INCHES...WAS CENTERED NEAR KLAMATH FALLS...OREGON AND
MOVING SOUTHEASTWARD. A FRONTAL BOUNDARY EXTENDED SOUTHWARD FROM
THE SURFACE LOW INTO THE PACIFIC OCEAN JUST SOUTH OF SAN
FRANCISCO. A PLUME OF MOISTURE FROM THE PACIFIC OCEAN ASSOCIATED
WITH THE STORM SYSTEM WAS MOVING INTO A VERY COLD AIR MASS OVER
THE WESTERN U.S...RESULTING IN PRECIPITATION FALLING IN THE FORM
OF SNOW FOR MANY AREAS. NATIONAL WEATHER SERVICE RADARS AND
SURFACE OBSERVATIONS INDICATED A BAND OF PRECIPITATION MOVING INTO
CENTRAL CALIFORNIA AND WESTERN NEVADA OFF THE PACIFIC...JUST AHEAD
OF THE FRONTAL BOUNDARY. RAIN WAS FALLING AT LOWER ELEVATIONS NEAR
THE COAST AND SNOW WAS FALLING FARTHER INLAND. MODERATE TO HEAVY
SNOW WAS REPORTED AT TIMES IN THE SIERRA NEVADA RANGE. NORTH OF
THE STORM SYSTEM...SCATTERED LIGHT SNOW SHOWERS WERE OCCURRING
ACROSS PARTS OF OREGON AND IDAHO.                                 
                                                         

...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 700 AM PST FRI DEC
06 THROUGH 1200 AM PST SAT DEC 07...

...CALIFORNIA...
HAPPY CAMP                           10.0                    
NEVADA CITY 3 SE                      9.0                    
SEIAD VALLEY                          7.5                    
MOUNT SHASTA 3 SSW                    7.0                    
ANDERSON 4 NW                         6.0                    
SIMS 2 NW                             6.0                    
TRUCKEE                               6.0                    
YREKA 1 WNW                           5.5                    
CARRVILLE 11 SSW                      4.0                    
DINSMORE 6 ESE                        4.0                    
ORLEANS                               4.0                    
WEITCHPEC                             4.0                    

...NEVADA...
RENO 4 NW                             3.0                    

...OREGON...
MODOC POINT 7 WNW                    12.0                    
ELMIRA                                9.0                    
PHILOMATH                             9.0                    
VENETA 2 N                            9.0                    
CRESWELL                              8.0                    
PLEASANT HILL                         8.0                    
CHILOQUIN 3 W                         7.0                    
EAGLE POINT                           7.0                    
GOLD HILL 4 NW                        7.0                    
LA PINE 5 NNW                         7.0                    
LORANE 3 S                            7.0                    
OAKRIDGE 1 SW                         7.0                    
THREE RIVERS 5 SW                     7.0                    
EUGENE 2 NE                           6.2                    
SW BEND                               6.0                    


THE STORM SYSTEM IS FORECAST TO CONTINUE MOVING SOUTHEASTWARD
TODAY...REACHING THE FOUR CORNERS REGION BY TONIGHT. SNOW WILL
CONTINUE TO SPREAD ACROSS MUCH OF THE INTERMOUNTAIN WEST TODAY.
SNOWFALL ACCUMULATIONS OF 5 TO 10 INCHES...WITH LOCALLY HIGHER
AMOUNTS...ARE EXPECTED THROUGH TONIGHT ACROSS THE INTERMOUNTAIN
WEST...GENERALLY AT ELEVATIONS ABOVE 6000 FEET. BY TONIGHT...AS
THE SYSTEM BEGINS TO MOVE INTO THE CENTRAL U.S...SNOW IS EXPECTED
TO DEVELOP ACROSS MUCH OF THE CENTRAL AND NORTHERN PLAINS...WITH A
MIXTURE OF SLEET AND FREEZING RAIN FROM THE SOUTHERN PLAINS INTO
PARTS OF THE LOWER AND MIDDLE MISSISSIPPI RIVER VALLEY. BY EARLY
SUNDAY A MIXTURE OF SNOW...SLEET AND FREEZING RAIN WILL SPREAD
EASTWARD ACROSS THE OHIO RIVER VALLEY AND INTO THE MID-ATLANTIC
STATES. SNOWFALL ACCUMULATIONS IN THE CENTRAL AND NORTHERN PLAINS
ARE EXPECTED TO BE GENERALLY LIGHT...1 TO 3 INCHES. ICE
ACCUMULATIONS OF A TENTH TO A QUARTER OF AN INCH ARE POSSIBLE
ACROSS PORTIONS OF THE LOWER MISSISSIPPI RIVER VALLEY. ICE
ACCUMULATIONS OF A TENTH TO A HALF INCH WILL BE POSSIBLE FROM THE
INTERIOR PORTIONS OF NORTH CAROLINA NORTHWARD INTO THE
MID-ATLANTIC STATES. 

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

RYAN