BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 113 STORM PREDICTION CENTER NORMAN OK 1209 AM EST FRI MAR 20 1998 THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF EASTERN ALABAMA EASTERN TENNESSEE NORTHERN AND WESTERN GEORGIA WESTERN NORTH CAROLINA EFFECTIVE THIS FRIDAY MORNING FROM 1245 AM UNTIL 600 AM EST. 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 ALONG AND 70 STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES SOUTHWEST OF AUBURN ALABAMA TO 55 MILES NORTH NORTHEAST OF KNOXVILLE TENNESSEE. 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. OTHER WATCH INFORMATION...THIS SEVERE THUNDERSTORM WATCH REPLACES SEVERE THUNDERSTORM WATCH NUMBER 112. WATCH NUMBER 112 WILL NOT BE IN EFFECT AFTER 45 AM EST. DISCUSSION...SQUALL LINE WITH EMBEDDED BOW ECHOES AHEAD OF STRONG UPPER TROF MOVING EWD ACROSS ERN TN SSWWD INTO CENTRAL AL. WITH STRONG MAINLY UNIDIRECTIONAL WIND FIELDS AND ADEQUATE MOISTURE/INSTABILITY CONDITIONS REMAIN FAVORABLE FOR DAMAGING WINDS WITH THE SQUALL LINE. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 23040. ...HALES ;321,0870 363,0845 363,0822 321,0843; NNNN