MESOSCALE DISCUSSION 0926
   NWS STORM PREDICTION CENTER NORMAN OK
   0757 PM CDT WED MAY 26 2004
   
   AREAS AFFECTED...SERN KS...SRN MO INTO WRN KY
   
   CONCERNING...SEVERE THUNDERSTORM POTENTIAL 
   
   VALID 270057Z - 270200Z
   
   PARTS OF WW 294 AND 296 WILL LIKELY BE REISSUED WITHIN THE HOUR.
   
   00 UTC KSGF SOUNDING SHOWED THAT EARLY SUSPICIONS OF THE CAP
   BUILDING NEWD WERE CORRECT...KEEPING SWRN/SCNTRL MO CONVECTION FREE
   THROUGH THE EVENING.  FARTHER NE...SRN EDGE OF TSTMS DEVELOPING OVER
   SRN IL AND NERN MO HAVE ROOTED INTO THE BOUNDARY LAYER VCNTY WARM
   FRONT FROM NE OF KVIH TO KBLV. THESE TSTMS HAVE EXHIBITED DEVIANT
   MOTION AND MOVING INTO A CORRIDOR WHERE 0-1KM SRH WAS OVER 350
   M2/S2. 
   
   THE SURFACE BASED TSTMS ARE LIKELY TO CONTINUE MOVING ESEWD...BUT
   MOVING INTO AREAS WHERE EARLIER MCS DEVELOPED. THUS...TORNADO RISKS
   MAY DIMINISH WITH TIME IF THE AIR MASS HAS NOT HAD TIME TO RECOVER. 
   
   
   AS THE EVENING WEARS ON...LLJ IS PROGD TO INCREASE AND TSTMS ARE APT
   TO DEVELOP JUST ABOUT ANYWHERE ACROSS THE MID MO/LOWER OH VLY. 
   AVAILABILITY OF UNSTABLE AIR LOCATED UPSTREAM WILL KEEP A LARGE HAIL
   THREAT ONGOING FOR SEVERAL HOURS.  SUPERCELLS UPSTREAM ACROSS NERN
   OK MAY EXPAND WITHIN THE LLJ AXIS AND MOVE NEWD INTO PARTS OF SERN
   KS AND SWRN MO AS WELL.
   
   VALID PORTIONS OF WWS 294/296 WILL LIKELY HAVE TO BE REISSUED AND
   EXACT PLACEMENT AND ORIENTATION WILL BE DISCUSSED IN AN UPCOMING
   CONFERENCE CALL WITH THE APPROPRIATE OFFICES.
   
   ..RACY.. 05/27/2004
   
   
   ATTN...WFO...LMK...OHX...PAH...LSX...SGF...EAX...TSA...ICT...
   
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