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Mesoscale Discussion 44
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   MESOSCALE DISCUSSION 0044
   NWS STORM PREDICTION CENTER NORMAN OK
   0323 AM CST THU JAN 30 2014

   AREAS AFFECTED...PORTIONS OF CENTRAL/SRN MN...NWRN WI

   CONCERNING...HEAVY SNOW 

   VALID 300923Z - 301500Z

   SUMMARY...HEAVY SNOW...WITH RATES OF 1 INCH/HR WILL DEVELOP IN THE
   09-12Z TIME FRAME AND PROGRESS EWD THRU 15Z.

   DISCUSSION...A MID-LEVEL SHORTWAVE CONTINUES MOVING ESE ACROSS THE
   NRN PLAINS AT 09Z...WITH A 992 MB SFC LOW OVER NERN NEB. LARGE-SCALE
   FORCING FOR ASCENT WILL INCREASE ACROSS THE DISCUSSION AREA WITH THE
   APPROACH OF THE SHORTWAVE...AUGMENTED BY A DEVELOPING EAST-WEST
   ORIENTED RIBBON OF FRONTOGENETICAL FORCING IN THE 900 MB-700 MB
   LAYER. MODERATE TO HEAVY SNOW IS EXPECTED TO DEVELOP/EXPAND IN AREAL
   COVERAGE ACROSS THE DISCUSSION AREA IN THE 09Z TO 12Z TIME FRAME AND
   MOVE EWD THROUGH MID MORNING IN ASSOCIATION WITH THE SHORTWAVE AND
   SFC LOW. THE PRESENCE OF STRONG VERTICAL MOTION WITHIN THE FAVORED
   DENDRITIC GROWTH REGION AND PW VALUES APPROACHING 0.5 INCHES SHOULD
   RESULT IN SNOWFALL RATES OF ONE INCH/HR FOR A FEW HOURS AT ANY GIVEN
   LOCATION.

   ..BUNTING.. 01/30/2014


   ATTN...WFO...DLH...ARX...MPX...FSD...

   LAT...LON   45509546 45639443 45829286 45659218 45199176 44719184
               44469224 44219295 44189375 44079458 44039542 44439600
               45049602 45509546 

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Page last modified: January 30, 2014
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