MESOSCALE DISCUSSION 0607
   NWS STORM PREDICTION CENTER NORMAN OK
   0339 PM CDT WED MAY 11 2016

   AREAS AFFECTED...CENTRAL/SOUTHERN INDIANA

   CONCERNING...SEVERE POTENTIAL...WATCH LIKELY 

   VALID 112039Z - 112145Z

   PROBABILITY OF WATCH ISSUANCE...95 PERCENT

   SUMMARY...SEVERE THREAT WILL INCREASE ACROSS CENTRAL/SOUTHERN
   INDIANA OVER THE NEXT FEW HOURS.  LARGE HAIL AND DAMAGING WINDS ARE
   POSSIBLE.  WW WILL BE REQUIRED BY 21Z.

   DISCUSSION...MATURING CLUSTER OF SEVERE THUNDERSTORMS OVER SCNTRL IL
   IS GRADUALLY DEVELOPING AN EXPANDING PRECIP SHIELD AND COLD POOL. 
   THIS EVOLUTION SHOULD RESULT IN AN EWD SURGE TO CONVECTION OVER THE
   NEXT HOUR OR SO AS FORWARD PROPAGATION INCREASES.  ANOTHER SEVERE
   STORM OVER ECNTRL IL WILL SOON MOVE EAST OF WW 167.  FOR THESE
   REASONS A NEW SEVERE THUNDERSTORM WATCH WILL BE ISSUED SOON.

   ..DARROW/HART.. 05/11/2016


   ATTN...WFO...LMK...IND...PAH...ILX...

   LAT...LON   38048797 40378732 40148527 38138583 38048797