URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 35 STORM PREDICTION CENTER NORMAN OK 734 PM CST SAT FEB 24 2001 THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTHERN ILLINOIS SOUTHWEST INDIANA WESTERN KENTUCKY EXTREME SOUTHEAST MISSOURI EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 800 PM UNTIL 100 AM CST. HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 60 STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES SOUTH SOUTHEAST OF PADUCAH KENTUCKY TO 40 MILES NORTH NORTHWEST OF EVANSVILLE INDIANA. 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... CONTINUE...WW 32...WW 33...WW 34... DISCUSSION...LINE OF INTENSE THUNDERSTORMS WILL CONTINUE TO TRACK EASTWARD ACROSS WATCH AREA THROUGH THE NEXT SEVERAL HOURS. VERY STRONG ENVIRONMENTAL WINDS COUPLED WITH MARGINAL INSTABILITY INDICATE THE POTENTIAL FOR DAMAGING WINDS IN STRONGER STORMS. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1 INCH EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 23040. ...HART ;383,0864 363,0872 363,0893 383,0885;