MESOSCALE DISCUSSION 1036
   NWS STORM PREDICTION CENTER NORMAN OK
   0858 PM CDT WED JUN 10 2009
   
   AREAS AFFECTED...CNTRL AND SRN PORTIONS OF MO/IL/IND
   
   CONCERNING...TORNADO WATCH 367...369...
   
   VALID 110158Z - 110300Z
   
   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 367...369...CONTINUES.
   
   PRIMARY SEVERE POTENTIAL SHOULD EVOLVE FROM CNTRL/E-CNTRL MO WITHIN
   WW 367 INTO WW 369 BY 04Z. A MORE ISOLATED THREAT IS EXPECTED ALONG
   W/E-ORIENTED OUTFLOW BOUNDARY INTO CNTRL/SRN IND...WITH
   OBSERVATIONAL TRENDS BEING MONITORED FOR A DOWNSTREAM WW.
   
   RADAR IMAGERY DEPICTS AN MCS CENTERED OVER CNTRL MO TOWARDS THE SRN
   STL METRO AREA. MORE DISCRETE CELLS HAVE RECENTLY DEVELOPED ALONG A
   REMNANT OUTFLOW BOUNDARY THAT STRETCHED TO NEAR BMG AS OF 01Z.
   MODERATE TO STRONG INSTABILITY REMAINS S OF THIS BOUNDARY WITH
   MLCAPES OF 2000 TO 4000 J/KG...PER OBJECTIVE ANALYSIS AND MODIFIED
   00Z SGF/BNA RAOBS...JUXTAPOSED WITH EFFECTIVE SHEAR OF 30-35 KT WILL
   CONTINUE TO BE SUPPORTIVE OF ORGANIZED LINEAR/BOWING SEGMENTS AND
   SUPERCELL STRUCTURES. THE EXTENT OF CONVECTIVE COVERAGE E OF WW 369
   MAY BE MITIGATED IN THE NEAR-TERM BY PRESENCE OF SHORT WAVE RIDGING.
   NEVERTHELESS...INCREASING LARGE-SCALE ASCENT ASSOCIATED WITH THE MO
   MCS AND DEVELOPING MCV SHOULD AID IN ENHANCING TSTM COVERAGE INTO
   CNTRL/SRN IND LATER THIS EVENING WITH ATTENDANT THREATS FOR SEVERE
   HAIL/WIND.
   
   ..GRAMS.. 06/11/2009
   
   
   ATTN...WFO...LMK...IND...PAH...ILX...LSX...SGF...
   
   LAT...LON   37309058 37039161 37929209 38619203 39359110 39868970
               40078824 40018682 39678627 39318605 38628589 38138628
               37888793 37458975 37309058