MESOSCALE DISCUSSION 0979
   NWS STORM PREDICTION CENTER NORMAN OK
   0531 PM CDT SUN JUN 07 2009
   
   AREAS AFFECTED...NRN MO...SERN IA
   
   CONCERNING...SEVERE POTENTIAL...WATCH LIKELY 
   
   VALID 072231Z - 072330Z
   
   A NEW TORNADO WATCH MAY BE REQUIRED E OF WW342...FROM NRN MO INTO
   SERN IA.
   
   STORMS ARE BEGINNING TO FORM JUST SE OF THE KANSAS CITY AREA ALONG A
   WARM FRONT. A MODIFIED 19Z TOP SOUNDING INDICATES THAT CAPPING HAS
   BECOME MINIMAL. THE PRESENCE OF THE LEAD UPPER WAVE AS WELL AS
   PERSISTENT BOUNDARY LAYER MOISTURE CONVERGENCE BENEATH STEEP MID
   LEVEL LAPSE RATES SUGGEST THESE STORMS MAY SOON BECOME SEVERE.
   
   THE LTH PROFILER SHOWS ONLY WEAK LOW LEVEL FLOW...BUT VEERING WITH
   HEIGHT WHERE IT BECOMES STRONG ENOUGH FOR SUPERCELLS. THE
   ENVIRONMENT IS LIKELY TO BECOME MORE SUPPORTIVE OF SUPERCELLS AND
   TORNADOES WITH TIME AS THE LOW LEVEL JET AND SHEAR STRENGTHEN.
   
   ..JEWELL.. 06/07/2009
   
   
   ATTN...WFO...LSX...DVN...SGF...DMX...EAX...
   
   LAT...LON   37829484 38899416 40509356 41439335 41719267 41689168
               41079122 40169136 39399173 38629224 37929277 37619406
               37829484