MESOSCALE DISCUSSION 0340
   NWS STORM PREDICTION CENTER NORMAN OK
   0420 AM CDT MON APR 04 2011
   
   AREAS AFFECTED...S-CNTRL IL / MUCH OF IND / NWRN OH
   
   CONCERNING...SEVERE POTENTIAL...WATCH LIKELY 
   
   VALID 040920Z - 040945Z
   
   ISOLD STRONG-SEVERE WIND GUSTS ARE POSSIBLE THROUGH THE MID-MORNING
   HOURS AHEAD OF ADVANCING/INTENSIFYING LINE SEGMENTS ACROSS THE NRN
   HALF OF IND AND FARTHER SW OVER SRN IL.  A WW WILL NEED TO BE
   CONSIDERED WITHIN THE HOUR TO ADDRESS THIS THREAT.
   
   MOISTURE RETURN...ALTHOUGH MODEST...IS GRADUALLY ADVECTING NEWD
   IMMEDIATELY AHEAD OF THE LINE SEGMENT OVER CNTRL-NRN IND.  09Z
   SURFACE OBSERVATIONS SHOW DEWPOINTS RISING THROUGH THE 50S...WITH
   TEMPS HOLDING NEAR OR ABOVE 70 DEG F.  THIS IS RESULTING IN A WEAKLY
   UNSTABLE AIRMASS...ALTHOUGH STRONG UNIDIRECTIONAL FLOW FIELDS ARE
   AIDING IN STORM ORGANIZATION/INTENSIFICATION.  60 KT FLOW AT 1 KM
   AGL PER AREA VWP/PROFILER DATA AND FURTHER STORM ORGANIZATION
   SUGGEST A CONTINUATION IN TSTM WIND DAMAGE POTENTIAL AS STORMS
   CONTINUE EWD INTO NWRN OH AND ACROSS S-CNTRL IND.
   
   ..SMITH.. 04/04/2011
   
   
   ATTN...WFO...CLE...ILN...DTX...LMK...IWX...IND...PAH...ILX...
   LSX...
   
   LAT...LON   38598656 38378922 39168896 39278805 40438658 41638570
               41788529 41908422 41368271 40378306 38958535 38598656