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   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 371
   NWS STORM PREDICTION CENTER NORMAN OK
   905 PM EDT SAT MAY 20 2006
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          NORTHEAST ALABAMA
          NORTHERN GEORGIA
          FAR WESTERN NORTH CAROLINA
          SOUTHEAST TENNESSEE
   
   EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 905 PM
   UNTIL 300 AM 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 APPROXIMATELY ALONG AND 35
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES NORTH
   NORTHWEST OF HUNTSVILLE ALABAMA TO 90 MILES EAST SOUTHEAST OF
   CHATTANOOGA TENNESSEE. 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.
   
   OTHER WATCH INFORMATION...THIS SEVERE THUNDERSTORM WATCH REPLACES
   SEVERE THUNDERSTORM WATCH NUMBER 366...SEVERE THUNDERSTORM WATCH
   NUMBER 369. WATCH NUMBER 366 369 WILL NOT BE IN EFFECT AFTER 905
   PM EDT. CONTINUE...WW 367...WW 368...WW 370...
   
   DISCUSSION...ONGOING STORMS IN SE TN/N GA SHOULD CONTINUE FOR
   ANOTHER FEW HOURS INVOF A STALLED FRONT...WHILE STORMS IN SRN MIDDLE
   TN WILL MOVE INTO NRN AL LATER TONIGHT.  INSTABILITY IS FOCUSED IN A
   NARROW CORRIDOR ALONG THE BOUNDARY...WITH A MUCH DRIER AIR MASS TO
   THE S ACROSS AL/GA.  VERTICAL SHEAR WILL REMAIN FAVORABLE FOR
   SUPERCELLS WITHIN THE WATCH AREA...WITH LARGE HAIL AND DAMAGING
   WINDS THE PRIMARY SEVERE THREATS.
   
   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 29025.
   
   
   ...THOMPSON