THE HYDROMETEOROLOGICAL PREDICTION CENTER

COLLEGE PARK, MD


STORM SUMMARY MESSAGE



STORM SUMMARY NUMBER 01 FOR NORTHERN PLAINS SNOWSTORM
NWS HYDROMETEOROLOGICAL PREDICTION CENTER COLLEGE PARK MD
1000 AM EST SUN DEC 09 2012

...HEAVY SNOW AND WIND AFFECTING PORTIONS OF THE NORTHERN
PLAINS/UPPER MIDWEST ...

BLIZZARD WARNINGS ARE IN EFFECT ACROSS NORTHERN SOUTH
DAKOTA...SOUTHERN NORTH DAKOTA...AND WESTERN MINNESOTA. WINTER
STORM WARNINGS ARE IN EFFECT ACROSS CENTRAL MINNESOTA AND NORTHERN
WISCONSIN. WINTER WEATHER ADVISORIES ARE IN EFFECT PORTIONS OF THE
DAKOTAS...MINNESOTA...WISCONSIN...AND MICHIGAN.

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

AT 900 AM EST...A SURFACE LOW WITH A CENTRAL PRESSURE OF 1008
MB...29.77 INCHES...WAS CENTERED ABOUT 25 MILES NORTH OF SIOUX
FALLS SOUTH DAKOTA. A STATIONARY BOUNDARY EXTENDS TO THE NORTH AND
EAST INTO NORTHERN MINNESOTA. A COLD FRONT EXTENDS TO THE SOUTH
AND IS MOVING EAST SOUTHEAST ACROSS WESTERN IOWA AND EASTERN
KANSAS. NATIONAL WEATHER SERVICE RADAR AND SURFACE OBSERVATIONS
INDICATE MODERATE TO HEAVY SNOW FALLING IN EASTERN SOUTH
DAKOTA...MINNESOTA...WISCONSIN...AND CENTRAL IOWA. FARTHER SOUTH
AND EAST...LIGHT TO MODERATE RAIN IS FALLING IN SOUTHEASTERN
IOWA...SOUTHEASTERN WISCONSIN...AND NORTHERN ILLINOIS. DUE TO
STRONG HIGH PRESSURE TO THE NORTHWEST AND NORTHEAST...A STRONG
PRESSURE GRADIENT HAS DEVELOPED...AND IS RESULTING IN SUSTAINED
WINDS OF 15 TO 30 MPH. THE STRONGEST WINDS ARE IN WAKE OF THE COLD
FRONT AND STATIONARY BOUNDARY ACROSS PORTIONS OF EASTERN
NORTH/SOUTH DAKOTA AND NEBRASKA. WIND GUSTS HAVE BEEN OBSERVED AS
HIGH AS 40 MPH.

...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 700 AM EST TUE DEC
08 THROUGH 900 AM EST WED DEC 09...

...MINNESOTA...
SAUK RAPIDS                           7.2                    
GILMAN 2 WNW                          7.0                    
FOLEY 2 W                             6.8                    
ANNANDALE                             6.0                    
KIMBALL                               6.0                    
LITTLE FALLS                          6.0                    
MAPLE LAKE 7 NE                       6.0                    

...SOUTH DAKOTA...
BROOKINGS 1.1 S                      11.0                    
DE SMET 0.2 SSE                       8.0                    
WATERTOWN 2.7 E                       8.0                    
MILBANK 0.9 NNW                       7.2                    
HURON                                 6.5                    
WESSINGTON SPRINGS                    6.0                    
WOONSOCKET                            6.0                    


SURFACE LOW IS EXPECTED TO MOVE EASTWARD TODAY THROUGH MINNESOTA
AND INTO WISCONSIN TONIGHT. HEAVY SNOW IS EXPECTED FROM MINNESOTA
TO MICHIGAN TODAY WITH SNOW WINDING DOWN ACROSS THE DAKOTAS THIS
AFTERNOON. SNOWFALL OF 6-12 INCHES IS POSSIBLE ACROSS PORTIONS OF
CENTRAL MINNESOTA AND NORTHERN WISCONSIN TODAY WITH LESSER AMOUNTS
TO THE NORTH AND SOUTH. SNOW WILL SPREAD INTO MICHIGAN LATER TODAY
AND TONIGHT WITH LIGHT ACCUMULATIONS EXPECTED THROUGH THIS
EVENING.

THE NEXT STORM SUMMARY WILL BE ISSUED BY THE HYDROMETEOROLOGICAL
PREDICTION CENTER AT 400 PM EST. PLEASE REFER TO YOUR LOCAL
NATIONAL WEATHER SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS
EVENT.

KREKELER




Last Updated: 938 AM EST SUN DEC 09 2012