MESOSCALE DISCUSSION 0594
   NWS STORM PREDICTION CENTER NORMAN OK
   1115 PM CDT SUN APR 26 2009
   
   AREAS AFFECTED...PORTIONS SERN IA...NRN-WRN MO AND ERN KS.
   
   CONCERNING...TORNADO WATCH 194...
   
   VALID 270415Z - 270515Z
   
   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 194 CONTINUES.
   
   MOST OF WW HAS BEEN CLEARED ALREADY...INCLUDING IA SECTION.  SVR
   POTENTIAL HAS DIMINISHED SUBSTANTIALLY AND REMAINING PORTIONS WW MAY
   BE CLEARED AT OR BEFORE SCHEDULED 05Z EXPIRATION TIME...AS LEADING
   EDGE OF CONVECTION MOVES THROUGH AND OUT OF ERN PORTIONS WW.
   
   QLCS FROM SERN IA SWWD ACROSS N-CENTRAL/W-CENTRAL MO AND ERN KS
   REASONABLY SHOWS WEAKENING TREND...AS IT MOVES INTO PROGRESSIVELY
   MORE STABLE AND DRY NEAR-SFC AIR MASS.  EXPECT CONTEMPORANEOUS
   INCREASE IN SBCINH AND DECREASE IN FORCED ASCENT ALONG LEADING EDGE
   OF COLD POOL...CONTRIBUTING TO FURTHER WEAKENING.  PRIND SVR
   POTENTIAL HAS DIMINISHED SUCH THAT ADDITIONAL WW IS UNLIKELY.
   
   ..EDWARDS.. 04/27/2009
   
   
   ATTN...WFO...LSX...DVN...SGF...DMX...EAX...
   
   LAT...LON   38099493 39629355 40939260 42569177 42159130 40719172
               40159211 38949292 38109380 37819452 38099493