MESOSCALE DISCUSSION 1157
   NWS STORM PREDICTION CENTER NORMAN OK
   0248 PM CDT SAT JUN 04 2005
   
   AREAS AFFECTED...SRN WI/NRN IL
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 389...
   
   VALID 041948Z - 042045Z
   
   FORWARD PROPAGATING SEVERE CLUSTER...WITH HISTORY OF WIND
   DAMAGE...WILL CONTINUE TO IMPACT THE CHICAGO METRO/NORTH SUBURBS IN
   THE SHORT TERM. ADDITIONAL CLUSTERS CURRENTLY MOVING NEWD AT 40-45
   KTS ACROSS SE WI...AS ENVIRONMENTAL CONDITIONS REMAIN FAVORABLE FOR
   PRIMARY THREAT OF WIND DAMAGE ACROSS SE WI.
   
   ACROSS THE SRN EXTENT OF WW 389...ADDITIONAL DEVELOPMENT IS NOT
   ANTICIPATED ACROSS NRN IL GIVEN EXITING DYNAMIC SUPPORT/MCS
   STABILIZED BOUNDARY LAYER. THUS CURRENT INDICATIONS ARE THAT WW 389
   MAY BE REPLACED WITH A NEW WATCH FURTHER N/NW ACROSS WI.
   
   ..GUYER.. 06/04/2005
   
   
   ATTN...WFO...LOT...ILX...MKX...
   
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