STORM SUMMARY NUMBER 01 FOR ROCKIES TO UPPER MIDWEST WINTER STORM
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
200 PM MST MON DEC 02 2013

...ARCTIC FRONT SPREADING FRIGID AIR AND WINTRY PRECIPITATION FROM
THE NORTHERN ROCKIES INTO THE NORTHERN PLAINS...       

WINTER STORM WATCHES...WARNINGS...AND WINTER WEATHER ADVISORIES
ARE IN EFFECT FOR MUCH OF THE NORTHERN AND CENTRAL ROCKIES
EXTENDING EASTWARD INTO THE NORTHERN PLAINS AND UPPER MIDWEST.
WINTER WEATHER ADVISORIES ARE ALSO IN AFFECT FOR THE CASCADES AND
BLUE MOUNTAINS IN OREGON AND WASHINGTON.

HIGH WIND WATCHES AND WARNINGS ARE IN EFFECT FOR PORTIONS OF
OREGON...CALIFORNIA...IDAHO...WYOMING...COLORADO AND NEW MEXICO.

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

AT 100 PM MST...AN ARCTIC COLD FRONT WAS PUSHING SOUTHWARD INTO
THE NORTHERN ROCKIES AND NORTHERN PLAINS. A SURFACE LOW WITH A
CENTRAL PRESSURE OF 998 MB...29.47 INCHES...WAS CENTERED NEAR
HURON...SOUTH DAKOTA ALONG THIS FRONTAL BOUNDARY. A SECOND FRONTAL
SYSTEM OF PACIFIC ORIGIN WAS MOVING ACROSS THE CENTRAL ROCKIES. A
SURFACE LOW ASSOCIATED WITH THIS SYSTEM WAS CENTERED OVER SOUTHERN
MONTANA WITH A CENTRAL PRESSURE OF 994 MB...29.35 INCHES. THE
INTERACTION BETWEEN THE MOISTURE STREAMING INTO THE WEST FROM THE
PACIFIC ALONG WITH THE ARCTIC AIR MASS PUSHING INTO THE REGION WAS
RESULTING IN THE DEVELOPMENT OF WIDESPREAD SNOWFALL. NATIONAL
WEATHER SERVICE RADARS AND SURFACE OBSERVATIONS INDICATED LIGHT TO
MODERATE SNOW FALLING ACROSS MUCH OF THE INTERMOUNTAIN WEST...AS
WELL AS FARTHER EAST ACROSS THE NORTHERN PLAINS AND UPPER MIDWEST.
IN ADDITION STRONG GUSTY WINDS IN EXCESS OF 50 MPH WERE REPORTED
AT TIMES AT THE HIGHER ELEVATIONS OF THE INTERMOUNTAIN WEST.      
                                                                  
                       

...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 500 AM MST SAT NOV
30 THROUGH 200 PM MST MON DEC 02...

...IDAHO...
MULLAN 3 ESE                         12.0                    
COLBURN 4 WSW                        11.0                    
MACKAY 37 NE                          9.4                    
ISLAND PARK 8 NW                      6.5                    
PORTHILL                              6.0                    
EASTPORT 1 SSE                        5.0                    

...MINNESOTA...
GRAND RAPIDS 12 N                     4.8                    
LUTSEN 3 WSW                          3.1                    
MCGREGOR 7 N                          3.1                    
MOOSE LAKE                            3.0                    
RED LAKE FALLS                        3.0                    

...MONTANA...
EAST PORTAL 5 NW                     12.0                    
ISLAND PARK 16 NE                    10.5                    
BYNUM 23 W                            8.0                    
EAST GLACIER PARK 11 SSW              8.0                    
BLACKTAIL 1 SE                        6.0                    

...NORTH DAKOTA...
DUNSEITH 6 N                          4.0                    
MINOT                                 3.5                    
HARVEY                                3.0                    

...WASHINGTON...
WENATCHEE 11 SSW                      7.0                    
CHEWELAH                              6.0                    

...WYOMING...
DRIGGS 32 NNE                        10.2                    
SMOOT 4.9 SSE                         5.0                    
JACKSON 12.3 NE                       4.0                    
MOOSE 0.4 S                           4.0                    

...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 500 AM MST SAT NOV
30 THROUGH 200 PM MST MON DEC 02...

...IDAHO...
MOOSE CREEK RAWS                      3.14                    
LOWELL                                2.83                    
SYRINGA 1 ENE                         2.65                    
PIERCE                                2.48                    
FENN RAWS                             2.33                    

...OREGON...
TILLAMOOK 16.1 ENE                    3.98                    
RHODODENDRON 3.8 NW                   3.81                    
HOOD RIVER 3.1 SW                     3.68                    
GRAND RONDE 3.5 NW                    3.04                    
PARKDALE 3.5 NE                       2.40                    
ASTORIA                               1.89                    

...WASHINGTON...
WHITE SALMON 0.7 WNW                  2.58                    
KELSO-LONGVIEW AIRPORT                1.97                    

...SELECTED STORM TOTAL FREEZING RAIN ICE AMOUNTS IN INCHES FROM
500 AM MST SAT NOV 30 THROUGH 200 PM MST MON DEC 02...

...NORTH DAKOTA...
LA MOURE                              0.10                    

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

...COLORADO...
PIKES PEAK                            81                    
ELDORADO SPRINGS 4 WSW                79                    
BUENA VISTA 5 WSW                     70                    
AIR FORCE ACADEMY 3 WNW               62                    

...IDAHO...
ROBERTS                               59                    

...NEBRASKA...
KIMBALL                               50                    

...WYOMING...
BORDEAUX                              65                    
CHUGWATER 8 S                         65                    
CHEYENNE                              58                    


THE ARCTIC COLD FRONT WILL CONTINUE TO MOVE SOUTHWARD ACROSS THE
WESTERN AND CENTRAL U.S. OVER THE NEXT COUPLE DAYS...WITH BELOW
AVERAGE TEMPERATURES FORECAST TO OVERSPREAD MORE THAN HALF OF THE
CONTIGUOUS U.S. BY MID-WEEK. SNOW WILL CONTINUE TO FALL IN THE
COLDER AIR NORTH OF THE FRONT...FROM THE CENTRAL ROCKIES TO THE
UPPER MIDWEST BY TUESDAY MORNING. A TIGHTENING PRESSURE GRADIENT
WILL ALSO RESULT IN STRONG GUSTY WINDS FOR SOME
LOCATIONS...PARTICULARLY AT HIGHER ELEVATIONS. THROUGH LATE
WEDNESDAY AFTERNOON...ADDITIONAL SNOWFALL TOTALS OF 5 TO 10 INCHES
CAN BE EXPECTED ACROSS A LARGE AREA FROM THE ROCKIES TO THE
NORTHERN PLAINS AND UPPER MIDWEST. HEAVIER SNOWFALL AMOUNTS OF 1
TO 2 FEET ARE POSSIBLE IN PARTS OF THE ROCKIES AS WELL AS THE
UPPER MIDWEST. LIGHT FREEZING RAIN ACCUMULATIONS OF LESS THAN A
TENTH OF AN INCH WILL ALSO BE POSSIBLE ACROSS THE NORTHERN PLAINS
AND UPPER MIDWEST.      

THE NEXT STORM SUMMARY WILL BE ISSUED BY THE WEATHER PREDICTION
CENTER AT 800 PM MST. PLEASE REFER TO YOUR LOCAL NATIONAL WEATHER
SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS EVENT.

RYAN