Midwest Chasing

URGENT - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WATCH NUMBER 651  
NWS STORM PREDICTION CENTER NORMAN OK  
1010 AM CDT WED JUL 2 2008  
  
THE NWS STORM PREDICTION CENTER HAS ISSUED A  
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF   
  
       PARTS OF NORTHERN ILLINOIS  
       SMALL PART OF NORTHERN INDIANA  
       MUCH OF WESTERN PORTION OF LOWER MICHIGAN  
       PARTS OF SOUTHERN AND EASTERN WISCONSIN  
       LAKE MICHIGAN  
  
EFFECTIVE THIS WEDNESDAY MORNING AND AFTERNOON FROM 1010 AM UNTIL  
400 PM CDT.  
  
HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80  
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.  
  
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 95  
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 45 MILES SOUTHWEST  
OF MADISON WISCONSIN TO 45 MILES EAST OF GRAND RAPIDS MICHIGAN.   
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH  
OUTLINE UPDATE (WOUS64 KWNS WOU1).  
  
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE  
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH  
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR  
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS  
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY  
DO PRODUCE TORNADOES.  
  
DISCUSSION...THUNDERSTORMS ARE INCREASING ACROSS SRN WI AHEAD OF  
COLD FRONT AND UPPER TROUGH. WITH A RAPIDLY INCREASE IN MOISTURE AND  
INSTABILITY EWD  ACROSS THE WATCH...STORMS ARE DEVELOPING A  
PRONOUNCED COLD POOL WITH ACCORDINGLY INCREASE IN WIND DAMAGE  
THREAT.  WITH HEATING STORMS WILL CONTINUE INTENSIFYING AS THEY  
MOVE/DEVELOP E AND SE THIS AFTERNOON.