SEL3
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 723
   NWS STORM PREDICTION CENTER NORMAN OK
   105 PM EDT MON AUG 9 2004
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          UPPER MICHIGAN
          NORTHEAST WISCONSIN
          LAKE MICHIGAN
          LAKE SUPERIOR
   
   EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 105 PM UNTIL 700
   PM EDT.
   
   HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
   MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 95 STATUTE MILES
   NORTH AND SOUTH OF A LINE FROM 45 MILES SOUTHWEST OF IRON MOUNTAIN
   MICHIGAN TO 75 MILES NORTH OF PELLSTON MICHIGAN.
   
   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 EXPECTED TO INCREASE RAPIDLY ALONG COLD
   FRONT NOW MOVING EWD ACROSS NRN WI INTO WRN UP OF MI.  WITH MDT
   INSTABILITY AND INCREASING DEEP LAYER SHEAR WITH APPROACHING UPPER
   TROUGH...STORMS EXPECTED TO DEVELOP INTO SHORT LINES/BOWS WITH WIND
   DAMAGE POTENTIAL.  IN ADDITION ISOLATED SUPERCELLS ARE LIKELY
   ALONG/AHEAD OF FRONT FOR ENHANCED SEVERE THREAT...PRIMARILY LARGE
   HAIL AND WIND DAMAGE.
   
   AVIATION...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 26030.
   
   
   ...HALES