SEL2
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 852
   NWS STORM PREDICTION CENTER NORMAN OK
   610 PM CST TUE NOV 8 2005
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          NORTHERN ILLINOIS
          NORTHERN INDIANA
   
   EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 610 PM
   UNTIL 100 AM CST.
   
   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 35 STATUTE MILES
   NORTH AND SOUTH OF A LINE FROM 85 MILES WEST OF MARSEILLES
   ILLINOIS TO 30 MILES EAST NORTHEAST OF MUNCIE INDIANA. FOR A
   COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
   UPDATE (WOUS64 KWNS WOU2).
   
   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.
   
   DISCUSSION...THUNDERSTORMS ARE EXPECTED TO DEVELOP INVOF THE SURFACE
   WARM FRONT ACROSS NRN IL/INDIANA THE NEXT FEW HOURS...AS EVIDENCED
   BY THE RECENT CONVECTIVE DEVELOPMENT NEAR LAF. THE COMBINATION OF
   MODERATE INSTABILITY AND GRADUALLY INCREASING VERTICAL SHEAR WILL
   SUPPORT A THREAT FOR SUPERCELL NEAR THE WARM FRONT...WITH SOME
   THREAT FOR SURFACE-BASED STORMS AND TORNADOES.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND
   GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
   MEAN STORM MOTION VECTOR 28030.
   
   
   ...THOMPSON