MESOSCALE DISCUSSION 1479
   NWS STORM PREDICTION CENTER NORMAN OK
   0850 PM CDT SAT JUL 02 2011
   
   AREAS AFFECTED...PARTS OF N-CNTRL AND W-CNTRL IND
   
   CONCERNING...HEAVY RAINFALL 
   
   VALID 030150Z - 030245Z
   
   HEAVY RAINFALL RATES EXCEEDING A 2 INCHES PER HOUR FOR A FEW HOUR
   PERIOD WILL PROBABLY OCCUR OVER PORTIONS OF CNTRL IND /MID WABASH
   RIVER VALLEY/ AND SLOWLY MOVE SE AS CONVECTIVE OUTFLOW/LAKE BREEZE
   PUSH SWD ACROSS THE NWRN 1/4 OF IND.
   
   SURFACE ANALYSIS SHOWS A MOISTURE-RICH BOUNDARY LAYER CHARACTERIZED
   BY A PLUME OF LOWER-MID 70S DEWPOINTS EXTENDING NEWD FROM E-CNTRL IL
   INTO W-CNTRL IND.  GPS PW VALUES AOA 2 INCHES AND SLOW STORM MOTIONS
   WILL OFFSET A MARGINAL LOW LEVEL MOISTURE FLUX /I.E. ABSENCE OF A
   LLJ/ INTO THE REGION.  IN ADDITION TO HEAVY RAINFALL RATES...ISOLD
   WET MICROBURSTS MAY ACCOMPANY THE STRONGER DOWNDRAFTS.
   
   ..SMITH.. 07/03/2011
   
   
   ATTN...WFO...IWX...IND...
   
   LAT...LON   40238722 40488700 40688655 40558602 40348599 40218618
               40008714 40238722