MESOSCALE DISCUSSION 1192
   NWS STORM PREDICTION CENTER NORMAN OK
   1133 PM CDT WED JUN 17 2009
   
   AREAS AFFECTED...S CENTRAL AND SERN NEB/SWRN IA
   
   CONCERNING...TORNADO WATCH 452...
   
   VALID 180433Z - 180600Z
   
   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 452 CONTINUES.
   
   THREAT HAS DIMINISHED WITH CONVECTION DISSIPATING ATTM.
   
   LATEST RADAR IMAGE SHOWS A RAPIDLY-DIMINISHING CELL ACROSS SERN NEB
   SW OF OMAHA...WHILE ALL OTHER SEVERE ACTIVITY REMAINS NORTH AND EAST
   OF THIS WATCH.
   
   WHILE AN OUTSIDE CHANCE FOR STORM REDEVELOPMENT STILL EXISTS OVER
   THE NEXT FEW HOURS GIVEN FAVORABLE INSTABILITY/SHEAR...OVERALL
   SEVERE/TORNADO POTENTIAL CONTINUES TO DECREASE AS ASCENT ASSOCIATED
   WITH THE LOW-LEVEL JET NOW APPEARS TO BE FOCUSED ACROSS NWRN AND
   CENTRAL IA.
   
   ..GOSS.. 06/18/2009
   
   
   ATTN...WFO...EAX...OAX...GID...LBF...
   
   LAT...LON   41119932 41709705 41479528 40029568 39969916 41119932