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Mesoscale Discussion 235
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   MESOSCALE DISCUSSION 0235
   NWS STORM PREDICTION CENTER NORMAN OK
   0349 PM CDT MON MAR 31 2014

   AREAS AFFECTED...ERN SD...SERN ND...W-CNTRL MN

   CONCERNING...BLIZZARD 

   VALID 312049Z - 010215Z

   SUMMARY...SNOW RATES ARE EXPECTED TO INCREASE LATE THIS AFTERNOON
   ACROSS SOUTHEASTERN NORTH DAKOTA INTO EASTERN SOUTH
   DAKOTA...EXPANDING EAST INTO WEST-CENTRAL MINNESOTA THIS EVENING.
   HEAVY SNOW COMBINED WITH VERY STRONG WINDS WILL RESULT IN BLIZZARD
   CONDITIONS IN MANY AREAS.

   DISCUSSION...A POWERFUL DEEP-LAYER CYCLONE CURRENTLY CENTERED OVER
   ERN SD WILL MOVE NEWD INTO WRN MN THIS EVENING. AS IT DOES
   SO...FOCUS FOR INTENSE LIFT WILL LIKEWISE SHIFT EWD...WHILE VERY
   STEEP MIDLEVEL LAPSE RATES AOA 7 DEG C/KM ADVECT INTO THE REGION
   FROM THE SSE. THIS WILL FAVOR A CONVECTIVELY ENHANCED BAND OF
   PRECIPITATION...AS VERY STRONG COLD ADVECTION TURNS PRECIP TO SNOW
   IN AREAS WHERE IT HAS NOT ALREADY DONE SO. SNOW RATES AOA 1 IN/HR
   WILL BE POSSIBLE AS THIS BAND SHIFTS SLOWLY EWD THROUGH THE
   EVENING...WITH SOME THUNDERSNOW POSSIBLE. CONCURRENT WITH THE HEAVY
   SNOW...VERY STRONG NLY WINDS OF 30-40 MPH WITH HIGHER GUSTS WILL
   LIKELY RESULT IN BLIZZARD CONDITIONS...ESPECIALLY AS TEMPS FALL INTO
   THE TEENS AND THE SNOW BECOMES DRIER AND MORE AMENABLE TO BLOWING
   AND DRIFTING.

   ..DEAN.. 03/31/2014


   ATTN...WFO...FGF...FSD...ABR...BIS...

   LAT...LON   44560021 45320016 46319821 46929696 47329626 47119567
               46649575 46159603 45709629 45279646 44919663 44439700
               43919736 43809896 43889941 44140006 44560021 

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