MESOSCALE DISCUSSION 1199
   NWS STORM PREDICTION CENTER NORMAN OK
   0609 AM CDT THU JUN 18 2009
   
   AREAS AFFECTED...IL...IND...KY
   
   CONCERNING...SEVERE POTENTIAL...WATCH LIKELY 457...
   
   VALID 181109Z - 181315Z
   
   MATURE LINEAR MCS WITH A HISTORY OF DAMAGING WINDS AND HAIL ACROSS 
   CNTRL IL WILL LIKELY CONTINUE TO TRACK SEWD AT SPEEDS OF 40-50KT
   TOWARD THE OH RIVER VALLEY OVER THE NEXT FEW HOURS. OBJECTIVE DATA
   INDICATES POOL OF STRONG INSTABILITY RESIDES ALONG WARM FRONTAL ZONE
   AHEAD OF THE BOWING COMPLEX OF STORMS. LIFT ACROSS THIS BOUNDARY
   WILL SUPPORT FORWARD PROPAGATION OF THE MCS INTO PARTS OF SRN IND
   AND NRN KY THROUGH THE MORNING HOURS. A NEW WATCH WILL LIKELY BE
   NEEDED ACROSS THESE AREAS IN THE NEXT HOUR.
   
   ..CARBIN.. 06/18/2009
   
   
   ATTN...WFO...JKL...ILN...LMK...IND...PAH...ILX...LSX...
   
   LAT...LON   40108751 39278595 38628380 37388460 36738640 36708834
               38078865 39228926 40108751