MESOSCALE DISCUSSION 0815
   NWS STORM PREDICTION CENTER NORMAN OK
   0547 PM CDT WED MAY 13 2009
   
   AREAS AFFECTED...NRN MO/SERN IA/SRN WI/CENTRAL AND NRN IL
   
   CONCERNING...TORNADO WATCH 293...
   
   VALID 132247Z - 140015Z
   
   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 293 CONTINUES.
   
   SEVERE/TORNADO THREAT CONTINUES ACROSS WW 293...AND IS SLOWLY
   SPREADING EWD INTO NRN IL/FAR SRN WI.  NEW TORNADO WATCH WILL LIKELY
   BE ISSUED SHORTLY.
   
   A COLD FRONT CONTINUES MAKING EWD/SEWD PROGRESS ACROSS IA/NRN
   MO...WITH STORMS DEVELOPING NEAR/AHEAD OF THE FRONT.  MODERATE
   INSTABILITY PERSISTS ACROSS THE WW...WITH DESTABILIZATION NOW
   OCCURRING E OF THE WATCH INTO NRN IL.  WITH 0-1 KM SHEAR SUPPORTIVE
   OF LOW-LEVEL ROTATION BENEATH FAVORABLE DEEP-LAYER WIND FIELD...IT
   APPEARS THAT THE SEVERE/TORNADO THREAT WILL CONTINUE SPREADING INTO
   IL/FAR SRN WI WITH TIME.
   
   ..GOSS.. 05/13/2009
   
   
   ATTN...WFO...LOT...ILX...MKX...LSX...DVN...ARX...DMX...EAX...
   
   LAT...LON   39439417 40529294 41039319 41429273 42349137 42898845
               40948745 39538817 39279011 39439417