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Mesoscale Discussion 1932
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MD 1932 graphic

   MESOSCALE DISCUSSION 1932
   NWS STORM PREDICTION CENTER NORMAN OK
   0107 AM CST SAT NOV 22 2014

   AREAS AFFECTED...SE WI...NE IL...NRN-CNTRL IND...SRN LOWER MI...WRN
   OH

   CONCERNING...FREEZING RAIN 

   VALID 220707Z - 221200Z

   SUMMARY...THE OCCURRENCE OF FREEZING RAIN IS EXPECTED TO INCREASE
   EARLY THIS MORNING AS SHOWER ACTIVITY MOVES NEWD FROM NE IL AND SW
   WI INTO SW LOWER MI AND NRN IND OVER THE NEXT 2 TO 4 HOURS. FREEZING
   RAIN RATES WILL LIKELY EXCEED 0.05 INCHES PER HOUR IN SOME
   LOCATIONS.

   DISCUSSION...THE LATEST RADAR TRENDS SHOW SCATTERED SHOWERS FROM SRN
   WI SWD INTO NRN IL...ERN IL AND WRN IND. THIS ACTIVITY IS LOCATED
   JUST AHEAD OF A SHORTWAVE TROUGH EVIDENT ON WATER VAPOR IMAGERY.
   LARGE-SCALE ASCENT ASSOCIATED WITH THE SHORTWAVE TROUGH AND LIFT
   ENHANCED BY A LOW-LEVEL SPEED MAX...CURRENTLY MOVING NEWD ACROSS THE
   ST LOUIS AREA...WILL HELP PRECIPITATION TO EXPAND IN COVERAGE AND
   MOVE EWD ACROSS NRN IND AND LAKE MI OVER THE NEXT FEW HOURS. AT THE
   SFC...TEMPS ARE ALREADY IN THE MID TO UPPER 20S F ACROSS SW LOWER MI
   AND NE IND WHERE THE GREATEST POTENTIAL FOR FREEZING RAIN IS
   EXPECTED LATER THIS MORNING. MANY AREAS SHOULD RECEIVE FREEZING RAIN
   RATES OF NEAR 0.05 INCHES PER HOUR. AREAS FROM NEAR GRAND RAPIDS MI
   SWD TO THE VICINITY OF FORT WAYNE IND COULD RECEIVE LOCALLY HIGHER
   AMOUNTS WITH FREEZING RAIN RATES APPROACHING 0.10 PER HOUR POSSIBLE.

   ..BROYLES/MEAD.. 11/22/2014


   ATTN...WFO...CLE...ILN...DTX...IWX...GRR...IND...LOT...ILX...
   MKX...

   LAT...LON   41738373 42858403 43568468 43758548 43748633 43298756
               42998838 42518882 41888881 41118847 40108755 39298639
               39288476 39698385 40668376 41738373 

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Page last modified: November 22, 2014
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