THE WEATHER PREDICTION CENTER

COLLEGE PARK, MD


STORM SUMMARY MESSAGE



STORM SUMMARY NUMBER 02 FOR WESTERN AND CENTRAL U.S. WINTER STORM
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
700 AM PST THU DEC 15 2016

...MODERATE TO HEAVY RAIN OCCURRING IN CALIFORNIA WITH MAINLY SNOW
FALLING ACROSS THE NORTHERN ROCKIES...

WINTER STORM WARNINGS...WATCHES...AND WINTER WEATHER ADVISORIES
ARE IN EFFECT FOR MUCH OF THE ROCKIES...THE SIERRA AND WASATCH
MOUNTAINS...AND STRETCHING INTO PORTIONS OF THE PLAINS AND MIDWEST.

FLOOD AND FLASH FLOOD WATCHES ARE IN EFFECT FOR MUCH OF
CALIFORNIA...SOUTHWEST OREGON...AND FAR SOUTHERN UTAH.

HIGH WIND WATCHES AND WARNINGS ARE IN EFFECT FOR PARTS OF
CALIFORNIA...OREGON...NEVADA...UTAH...NEW MEXICO...AND WYOMING.

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

AT 600 AM PST...SEVERAL AREAS OF LOW PRESSURE ARE LOCATED ALONG
THE ARCTIC FRONTAL BOUNDARY STRETCHING ACROSS THE WESTERN U.S.
THIS FRONT EXTENDS FROM NORTHERN CALIFORNIA...ACROSS OREGON AND
THROUGH THE NORTHERN ROCKIES...AND THROUGH THE CENTRAL AND
SOUTHERN HIGH PLAINS. NATIONAL WEATHER SERVICE DOPPLER RADARS AND
SURFACE OBSERVATIONS INDICATED THAT MODERATE TO HEAVY RAIN WAS
FALLING ACROSS NORTHERN CALIFORNIA...WITH LIGHTER RAIN EXTENDING
SOUTH IN CALIFORNIA. LIGHT TO MODERATE PRECIPITATION MAINLY IN THE
FORM OF SNOW WAS OCCURRING IN MUCH OF THE NORTHERN ROCKIES AND
INTO THE NORTHERN HIGH PLAINS.

...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 700 AM PST TUE DEC
13 THROUGH 600 AM PST THU DEC 15...

...COLORADO...
BRECKENRIDGE 1 SSE                    5.9                    

...IDAHO...
GRAND VIEW                            4.0                    
BOISE                                 2.0                    

...MONTANA...
GEORGETOWN 1 WSW                      7.0                    
STEVENSVILLE                          7.0                    
HAMILTON 2 N                          6.5                    
LOLO                                  6.0                    

...NEVADA...
KINGS RIVER VALLEY 16 N               9.0                    
CHARLESTON 14 W                       8.0                    
MCDERMITT                             7.0                    
CLOVER VALLEY 4 N                     6.0                    

...OREGON...
LA PINE 5 N                          21.0                    
BEND 3 ENE                           14.0                    
TERREBONNE 8 NW                      12.0                    
WARM SPRINGS 1 ESE                   10.0                    
LEXINGTON                             7.0                    
HERMISTON 2 N                         6.0                    
HOOD RIVER                            6.0                    
PILOT ROCK                            6.0                    
SALEM                                 5.0                    
WARREN                                3.5                    
PORTLAND SOUTHEAST                    3.3                    
PORTLAND DOWNTOWN                     1.5                    
TILAMOOK                              1.0                    

...WASHINGTON...
MAYVIEW 5 N                           7.0                    
CLARKSTON                             5.0                    
YAKIMA                                3.0                    

...WYOMING...
TOGWOTEE MOUNTAIN LODGE              11.0                    
SOUTH ENTRANCE 5 N                    9.0                    
ALTA 6 ENE                            8.0                    
BONDURANT 19 SW                       7.0                    

...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 700 AM PST TUE DEC
13 THROUGH 600 AM PST THU DEC 15...

...CALIFORNIA...
SMITH RIVER 1.1 SSE                   5.48                    
MCKINLEYVILLE 7.3 ESE                 2.24                    
REDDING 7.9 NNE                       1.33                    
SHINGLETOWN 2.5 E                     1.20                    

...OREGON...
BROOKINGS 5 NNW                       7.10                    
OBRIEN 2 SSW                          4.26                    
GLENDALE                              4.13                    
LANGLOIS 1 NNE                        3.63                    
TAKILMA 4 NNE                         3.27                    
MURPHY 1 SSE                          3.11                    
COOS BAY 7 ESE                        2.12                    
CENTRAL POINT 2 NNE                   1.65                    

...SELECTED STORM TOTAL FREEZING RAIN ICE AMOUNTS IN INCHES FROM
700 AM PST TUE DEC 13 THROUGH 600 AM PST THU DEC 15...

...OREGON...
SPRINGFIELD                           0.88                    
EUGENE                                0.40                    
SODAVILLE 1 SSW                       0.40                    
CORVALLIS 4 NNE                       0.20                    

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

...CALIFORNIA...
MAMMOTH-YOSEMITE AIRPORT              71                    
JANESVILLE                            61                    
LAKE CITY 3 ESE                       61                    
BRIDGEPORT 4 WNW                      60                    

...NEVADA...
MOUNT ROSE SKI AREA                   97                    
MOGUL 3 N                             93                    
PLEASANT VALLEY 1 WNW                 91                    
E GALENA                              79                    


THIS WIDESPREAD STORM SYSTEM WILL CONTINUE TO AFFECT THE WESTERN
U.S. THROUGH FRIDAY NIGHT. TWO TO THREE FEET OF SNOW IS EXPECTED
IN THE HIGHER ELEVATIONS OF THE CALIFORNIA SIERRAS AND IN PARTS OF
WYOMING AND COLORADO. VERY HEAVY RAIN WILL OCCUR TODAY IN CENTRAL
AND NORTHERN CALIFORNIA...WITH 2 TO 4 INCHES ALONG THE COAST WITH
LOCALIZED TOTALS OF MORE THAN 6 INCHES IN THE SIERRA FOOTHILLS.
THERE IS A RISK OF FLOODING AND FLASH FLOODING OVER MUCH OF
CALIFORNIA...INCLUDING PORTIONS OF SOUTHERN CALIFORNIA WHERE A
BRIEF PERIOD OF MODERATE TO HEAVY RAIN IS EXPECTED LATE THURSDAY.
LOW PRESSURE WILL TRACK TOWARD THE CENTRAL ROCKIES BY FRIDAY...AND
THEN SHOULD REFORM OVER THE PLAINS...WITH HEAVY SNOW POSSIBLE FOR
THE NORTHERN PLAINS AND UPPER MIDWEST FRIDAY AND SATURDAY.

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

TATE




Last Updated: 958 AM EST THU DEC 15 2016