STORM SUMMARY NUMBER 1 FOR NORTHERN ROCKIES TO UPPER MISSISSIPPI
VALLEY WINTER STORM
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
400 PM CDT SUN MAR 29 2009
 
...SECOND SPRING SNOW STORM IN A WEEK WILL AFFECT PORTIONS OF THE
NORTHERN U.S...
 
BLIZZARD WARNINGS...ALONG WITH WINTER STORM WATCHES...WARNINGS AND
ADVISORIES ARE IN EFFECT FROM THE NORTHERN ROCKIES INTO THE
NORTHERN HIGH PLAINS AND UPPER MISSISSIPPI RIVER VALLEY STATES.
 
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV

AT 400 PM CDT...A 986 MB LOW PRESSURE SYSTEM WAS NEAR
GILLETTE...WYOMING WITH A WARM FRONT EXTENDING INTO THE CENTRAL
PLAINS AND A COLD FRONT INTO THE GREAT BASIN. THIS LOW IS EXPECTED
TO TRACK EAST-SOUTHEAST INTO THE CENTRAL PLAINS BY MONDAY MORNING
AND INTENSIFY INTO A MAJOR LOW PRESSURE SYSTEM OVER NEBRASKA.

NATIONAL WEATHER SERVICE DOPPLER RADARS SHOWED SEVERAL POCKETS OF
RAIN AND SNOW OVER THE NORTHERN ROCKIES AND HIGH PLAINS SUNDAY
AFTERNOON. THIS PRECIPITATION SHIELD WILL EXPAND TONIGHT INTO
MONDAY WITH A LARGE SWATH OF HEAVY SNOW EXPECTED FROM MONTANA AND
WYOMING EASTWARD INTO NORTH AND SOUTH DAKOTA. EVENTUALLY...THIS
SYSTEM WILL BRING HEAVY SNOW TO PORTIONS OF MINNESOTA AND
WISCONSIN ON TUESDAY. THE DEEPENING LOW PRESSURE SYSTEM WILL
SUPPORT INCREASING WINDS OF 30 TO 50 MPH THAT WILL CAUSE LIFE
THREATENING BLIZZARD CONDITIONS OVER PORTIONS OF THE NORTHERN HIGH
PLAINS.

...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 600 AM CDT SUN MAR
29 THROUGH 400 PM CDT SUN MAR 29...

...MONTANA...
HELENA 20 S                          18.0                     
BUTTE 8 S                             6.5                     
BRUSETT 3 W                           4.0                     
WINNETT                               4.0                     


THE LOW PRESSURE SYSTEM OVER NORTHERN WYOMING WILL TRACK INTO THE
CENTRAL PLAINS ON MONDAY AND DEEPEN...WHILE SUPPORTING AN
EXPANDING AREA OF HEAVY SNOW AND STRONG WINDS. LIFE THREATENING
BLIZZARD CONDITIONS ARE EXPECTED OVER THE NORTHERN HIGH PLAINS
SUNDAY NIGHT INTO MONDAY.

THE NEXT STORM SUMMARY WILL BE ISSUED BY THE HYDROMETEOROLOGICAL
PREDICTION CENTER AT 1000 PM CDT. PLEASE REFER TO YOUR LOCAL
NATIONAL WEATHER SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS
EVENT.

ECKERT