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Mesoscale Discussion 1907
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   MESOSCALE DISCUSSION 1907
   NWS STORM PREDICTION CENTER NORMAN OK
   0348 AM CST MON NOV 10 2014

   AREAS AFFECTED...NERN SD...CNTRL MN...NWRN WI

   CONCERNING...HEAVY SNOW 

   VALID 100948Z - 101545Z

   SUMMARY...HEAVY SNOW WILL DEVELOP/SPREAD EWD ACROSS NERN
   SD...CENTRAL MN AND NWRN WI THROUGH THE MORNING HOURS. SNOWFALL
   RATES AROUND 1"/HR ARE LIKELY WITHIN THE HEAVIEST BAND.

   DISCUSSION...RADAR TRENDS SHOW INCREASING AREAL COVERAGE OF MODERATE
   PRECIPITATION RATES NOW ACROSS E CNTRL SD NEAR THE NOSE OF AN
   INCREASING LOW LEVEL JET...WITH GRADUALLY EXPANDING AREAS OF SNOW
   EXTENDING EWD INTO MN. HRLY LIQUID RATES OF 0.08"/HR HAVE ALREADY
   BEEN MEASURED RECENTLY OVER NERN SD.

   AS THE SURFACE LOW DEVELOPS EWD ACROSS IA...STRONG FRONTOGENETICAL
   FORCING WILL DEVELOP THROUGH A DEEP LAYER WITH THE MOST FAVORABLE
   TEMPERATURE PROFILES FROM NERN SD ACROSS CNTRL MN AND INTO NWRN WI
   BY EARLY AFTERNOON. MODEL CONSENSUS IS FOR THE HEAVIEST BAND OF SNOW
   TO DEVELOP JUST NORTH OF THE TWIN CITIES WHERE SNOWFALL RATES AROUND
   1"/HR ARE LIKELY.

   ..JEWELL.. 11/10/2014


   ATTN...WFO...DLH...MPX...FGF...ABR...

   LAT...LON   46329311 46199253 45969208 45569206 45309244 45109329
               44799556 44669666 44739711 44959743 45139756 45409758
               45829722 46009634 46289454 46329311 

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Page last modified: November 10, 2014
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