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Mesoscale Discussion 1933
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MD 1933 graphic

   MESOSCALE DISCUSSION 1933
   NWS STORM PREDICTION CENTER NORMAN OK
   0709 AM CST SAT NOV 22 2014

   AREAS AFFECTED...ERN OH...FAR WRN PA

   CONCERNING...FREEZING RAIN 

   VALID 221309Z - 221715Z

   SUMMARY...FREEZING RAIN...WITH PRECIPITATION RATES AROUND 0.05-0.10
   INCH PER HOUR...IS EXPECTED OVER THE NEXT SEVERAL HOURS ACROSS ERN
   OH AND FAR WRN PA.

   DISCUSSION...AREA OF PRECIPITATION ASSOCIATED WITH A FAST-MOVING
   SHORTWAVE TROUGH PROGRESSING THROUGH THE LOWER GREAT LAKES IS
   EXPECTED TO CONTINUE EWD INTO ERN OH AND FAR WRN PA. DRY LAYER BELOW
   850 MB -- 12Z PIT RAOB SAMPLED THIS LAYER WELL -- WILL FAVOR
   EVAPORATION OF THE INITIAL PRECIPITATION. HOWEVER...EVENTUAL
   MOISTENING OF THIS LAYER IS EXPECTED WITH RESULTANT FREEZING RAIN AT
   THE SURFACE. SURFACE OBSERVATIONS ACROSS WRN OH AND LWR MI REPORTED
   FREEZING RAIN RATES AROUND 0.05 TO 0.10 INCH PER HOUR AND SIMILAR
   CONDITIONS ARE EXPECTED AS THIS AREA OF PRECIPITATION CONTINUES INTO
   ERN OH AND FAR WRN PA.

   ..MOSIER.. 11/22/2014


   ATTN...WFO...PBZ...RLX...CLE...ILN...

   LAT...LON   40598249 40958236 41488175 41698130 41868085 41608031
               40098031 39328130 39058202 39698234 40598249 

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Page last modified: November 22, 2014
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