MESOSCALE DISCUSSION 1730
   NWS STORM PREDICTION CENTER NORMAN OK
   0710 PM CDT THU AUG 09 2012
   
   AREAS AFFECTED...CNTRL IL INTO IND
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 568...
   
   VALID 100010Z - 100215Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 568
   CONTINUES.
   
   SUMMARY...SCATTERED SEVERE STORMS ARE EXPECTED TO PERSIST ACROSS THE
   REGION...WITH SOME REDEVELOPMENT POSSIBLE. ANOTHER WATCH COULD BE
   NEEDED AS WW 568 NEARS EXPIRATION.
   
   DISCUSSION...CLUSTERS OF STORMS CONTINUE TO THRIVE NEAR A WEAK LOW
   PRESSURE TROUGH...AND AHEAD OF A POTENT SHORTWAVE ALOFT. AN OUTFLOW
   BOUNDARY HAS STABILIZED NRN IND AND OH...WHERE ELEVATED SHOWERS WERE
   OCCURRING. BUT S OF THIS BOUNDARY...AMPLE MOISTURE AND INSTABILITY
   REMAINS. 
   
   WLC PROFILER SHOWS INCREASING SPEEDS WITH HEIGHT WITH A
   STRAIGHT-LINE HODOGRAPH FAVORABLE FOR SPLITTING CELLS. FURTHER
   COOLING ALOFT WILL BE POSSIBLE AND FORCING WILL REMAIN AS A COLD
   FRONT SURGES SEWD LATER THIS EVENING. THIS MAY COUNTERACT BOUNDARY
   LAYER COOLING FOR A CONTINUED THREAT OF STRONG TO SEVERE STORMS.
   
   ..JEWELL.. 08/10/2012
   
   
   ATTN...WFO...ILN...IWX...IND...LOT...ILX...LSX...
   
   LAT...LON   40318496 39778516 39238630 38848736 38818793 38878854
               39218912 39588944 40038942 40588919 41048872 41158683
               41008542 40318496