MESOSCALE DISCUSSION 1359
   NWS STORM PREDICTION CENTER NORMAN OK
   0343 PM CDT WED JUN 22 2011
   
   AREAS AFFECTED...SRN IND...SWRN OH...CNTRL/WRN KY AND TN
   
   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE 
   
   VALID 222043Z - 222215Z
   
   STORMS ARE BEGINNING TO INCREASE IN COVERAGE FROM SRN INDIANA INTO
   WRN TN. MARGINAL HAIL AND WIND WILL BE THE MAIN THREATS. A WATCH
   COULD BE REQUIRED IF COVERAGE INCREASES.
   
   RADAR AND SATELLITE IMAGERY SHOW STORMS BEGINNING TO FORM OVER SRN
   INDIANA...WITH ANOTHER CLUSTER OVER WRN TN. ALTHOUGH LOW LEVEL
   VEERING IS MINIMAL...DEEP LAYER SHEAR PROFILES ARE FAVORABLE FOR
   SUPERCELLS...WITH AROUND 50 KT EFFECTIVE SHEAR. DAMAGING WIND GUSTS
   APPEAR TO BE A THREAT WITH STEEP LOW LEVEL LAPSE RATES DURING PEAK
   HEATING. SOME MARGINALLY SEVERE HAIL MAY OCCUR AS WELL WITH ANY
   SUPERCELLS...DESPITE POOR MID LEVEL LAPSE RATES.
   
   ..JEWELL.. 06/22/2011
   
   
   ATTN...WFO...ILN...LMK...OHX...IND...PAH...MEG...
   
   LAT...LON   35498990 36918860 38708704 39848568 40058468 40038367
               39668349 37588509 36178632 35388732 35058854 35108945
               35228972 35498990