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Mesoscale Discussion 75
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   MESOSCALE DISCUSSION 0075
   NWS STORM PREDICTION CENTER NORMAN OK
   0439 AM CST WED FEB 05 2014

   AREAS AFFECTED...FAR NE IND...SERN LOWER MI AND FAR NW OH

   CONCERNING...HEAVY SNOW 

   VALID 051039Z - 051445Z

   SUMMARY...HEAVY SNOWFALL WILL LIKELY CONTINUE ACROSS NRN
   IND...DEVELOPING NEWD ACROSS SERN LOWER MI OVER THE NEXT FEW HOURS.
   SNOWFALL RATES SHOULD APPROACH 1 INCH PER HOUR IN THE MORE INTENSE
   BANDS.

   DISCUSSION...LATEST WATER VAPOR IMAGERY SHOWS AN UPPER-LEVEL LOW
   OVER THE UPPER MS VALLEY WITH A POWERFUL 100 TO 120 KT MID-LEVEL JET
   STREAK EXTENDING NEWD FROM THE MID MS VALLEY INTO THE UPPER OH
   VALLEY. LIFT IS BEING ENHANCED IN THE LEFT EXIT REGION OF THE
   MID-LEVEL JET OVER NRN IND AND SRN LOWER MI WHERE A SWATH OF
   PRECIPITATION IS ONGOING. IN ADDITION...LOW-LEVEL EASTERLY FLOW IS
   MAXIMIZED ACROSS NRN IND AND SRN LOWER MI ON THE NORTH SIDE OF A LOW
   IN THE OH VALLEY. THIS SPEED MAX IS LIKELY ENHANCING ISENTROPIC LIFT
   AND WILL AID THE DEVELOPMENT OF HEAVY SNOW. AS THE SWATH OF SNOWFALL
   MOVES NEWD THIS MORNING...SNOWFALL RATES WILL LIKELY APPROACH 1 INCH
   PER HOUR IN SRN LOWER MI ENEWD TO NEAR DETROIT OVER THE NEXT 2 TO 4
   HOURS.

   ..BROYLES.. 02/05/2014


   ATTN...WFO...CLE...DTX...IWX...GRR...

   LAT...LON   41898318 41138480 41328539 42028563 42768510 43228289
               42718254 42298269 41898318 

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Page last modified: February 05, 2014
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