000 WWUS20 KWNS 070958 SEL2 SPC WW 070955 ARZ000-LAZ000-MOZ000-MSZ000-TNZ000-071600- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 282 NWS STORM PREDICTION CENTER NORMAN OK 455 AM CDT WED MAY 7 2003 THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF EASTERN ARKANSAS NORTHERN LOUISIANA THE MISSOURI BOOTHEEL NORTHERN AND WESTERN MISSISSIPPI WEST AND MIDDLE TENNESSEE EFFECTIVE THIS WEDNESDAY MORNING FROM 455 AM UNTIL 1100 AM CDT. TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 55 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 100 STATUTE MILES EAST AND WEST OF A LINE FROM 80 MILES WEST NORTHWEST OF NASHVILLE TENNESSEE TO 30 MILES SOUTHEAST OF MONROE LOUISIANA. 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. OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO WATCH NUMBER 279...TORNADO WATCH NUMBER 280. WATCH NUMBER 279 280 WILL NOT BE IN EFFECT AFTER 455 AM CDT. CONTINUE...WW 281... DISCUSSION...THUNDERSTORM COMPLEX IN ERN AR/NRN LA EXPECTED TO CONTINUE GENERALLY EWD...WITH EMBEDDED SUPERCELLS MAINTAINING THREAT FOR DAMAGING WIND/ISOLATED TORNADOES AS 40+ KT LOW LEVEL JET ADVECTS VERY MOIST AIR INTO REGION. OTHER CELLS MAY DEVELOP ALONG SHALLOW OUTFLOW BOUNDARY STRADDLING THE MS/TN BORDER. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 50 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 26035. ...CORFIDI 363,0861 321,0895 321,0932 363,0894