URGENT - IMMEDIATE BROADCAST REQUESTED  
TORNADO WATCH NUMBER 474  
NWS STORM PREDICTION CENTER NORMAN OK  
105 PM CDT FRI JUN 6 2008  
  
THE NWS STORM PREDICTION CENTER HAS ISSUED A  
TORNADO WATCH FOR PORTIONS OF   
  
       NORTHEAST ILLINOIS  
       NORTHWEST INDIANA  
       SOUTHEAST WISCONSIN  
       LAKE MICHIGAN  
  
EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 105 PM UNTIL 600  
PM CDT.  
  
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND  
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE  
AREAS.  
  
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 45 STATUTE  
MILES EAST AND WEST OF A LINE FROM 65 MILES NORTH OF MILWAUKEE  
WISCONSIN TO 75 MILES SOUTH SOUTHEAST OF MARSEILLES ILLINOIS.   
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH  
OUTLINE UPDATE (WOUS64 KWNS WOU4).  
  
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR  
TORNADOES AND 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.  
  
OTHER WATCH INFORMATION...CONTINUE...WW 472...WW 473...  
  
DISCUSSION...ISOLATED AND DISCRETE THUNDERSTORMS ARE DEVELOPING OVER  
SOUTHEAST WI AND NORTHEAST IL...IN REGION OF MODERATE INSTABILITY  
AND STRONG LOW/DEEP LAYER VERTICAL SHEAR.  SUPERCELLS ARE EXPECTED  
THAT WILL TRACK NORTHEASTWARD INTO LAKE MI DURING THE AFTERNOON.   
THREAT OF HAIL AND DAMAGING WINDS WILL INCREASE WITH STORMS AS THEY  
MOVE EASTWARD...AS WELL AS A RISK OF ISOLATED TORNADOES.