MESOSCALE DISCUSSION 0905
   NWS STORM PREDICTION CENTER NORMAN OK
   0520 PM CDT MON MAY 23 2011
   
   AREAS AFFECTED...SERN IND...NRN KY...MUCH OF OH
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 346...
   
   VALID 232220Z - 232315Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 346
   CONTINUES.
   
   BROAD WARM SECTOR CHARACTERIZED BY TEMPERATURES IN THE
   80S...DEWPOINTS IN THE LOW TO MID 60S...AND MLCAPE VALUES FROM
   1000-2000 J/KG RESIDES AHEAD OF STORM CLUSTERS OVER NRN IND/NWRN
   OH...AND QLCS MOVING E ALONG THE OH RIVER OVER SRN IND/NRN KY. THIS
   ACTIVITY ALSO RESIDE BETWEEN NRN STREAM TROUGH OVER THE GREAT LAKES
   AND EMBEDDED UPPER IMPULSES MOVING THROUGH THE OH VALLEY REGION.
   THIS IS AIDING IN ENHANCED ZONE OF DEEP LAYER UNIDIRECTIONAL FLOW
   ACROSS WW 346...FAVORABLE FOR CONTINUED MAINTENANCE OF FAST MOVING
   STORM CLUSTERS/LINE SEGMENTS AND FORWARD PROPAGATING MCS. PRIMARY
   SVR WEATHER THREAT WILL CONTINUE TO BE LARGE HAIL AND DAMAGING
   WINDS. HOWEVER...LOW-LEVEL HODOGRAPH STRUCTURE IS FORECAST BY THE
   RUC TO ENLARGE DURING THE EVENING...WHICH COULD INCREASE THE
   POTENTIAL FOR ISOLATED TORNADOES.
   
   ..GARNER.. 05/23/2011
   
   
   ATTN...WFO...PBZ...CLE...JKL...ILN...LMK...IWX...IND...PAH...
   
   LAT...LON   41578382 41598093 37748436 37728709 41578382