MESOSCALE DISCUSSION 0978
   NWS STORM PREDICTION CENTER NORMAN OK
   0521 PM CDT SUN JUN 07 2009
   
   AREAS AFFECTED...IA
   
   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE 
   
   VALID 072221Z - 072315Z
   
   LOW LEVEL WARM ADVECTION APPEARS TO BE ENHANCING ONGOING CONVECTION
   ACROSS MUCH OF CNTRL/NRN IA ATTM.  ELEVATED THUNDERSTORM POTENTIAL
   SHOULD INCREASE OVER MUCH OF THIS REGION OVER THE NEXT FEW HOURS. 
   LARGE HAIL IS THE PRIMARY SEVERE RISK AND GIVEN CURRENT TRENDS A
   SEVERE THUNDERSTORM WATCH MAY BE REQUIRED SOON.
   
   ..DARROW.. 06/07/2009
   
   
   ATTN...WFO...ARX...DMX...FSD...OAX...
   
   LAT...LON   41829531 42219636 43309586 43409369 42899213 41739267
               41829531