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Displaying AFOS PIL: SEL0 Product Timestamp: 2003-05-07 04:50 UTC
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000 WWUS20 KWNS 070448 SEL0 SPC WW 070450 ALZ000-ILZ000-INZ000-KYZ000-MSZ000-TNZ000-071100- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 280 NWS STORM PREDICTION CENTER NORMAN OK 1150 PM CDT TUE MAY 6 2003 THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF NORTHERN ALABAMA EXTREME SOUTHEAST ILLINOIS SOUTHERN INDIANA WESTERN AND CENTRAL KENTUCKY NORTHERN MISSISSIPPI WESTERN AND MIDDLE TENNESSEE EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 1150 PM UNTIL 600 AM CDT. TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 120 STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES WEST NORTHWEST OF LOUISVILLE KENTUCKY TO 55 MILES WEST SOUTHWEST OF MUSCLE SHOALS ALABAMA. 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 275. WATCH NUMBER 275 WILL NOT BE IN EFFECT AFTER 1150 PM CDT. CONTINUE...WW 276...WW 279... DISCUSSION...SEVERAL CONVECTIVE MODES POSSIBLE ACROSS THE WATCH AREA FOR THE NEXT SEVERAL HOURS. THE REMNANTS OF THE INTENSE CONVECTIVE CLUSTER/EMBEDDED SUPERCELLS CONTINUES TO SPREAD EWD INTO WRN KY. ADDITIONAL CONVECTION IS DEVELOPING TO THE S ACROSS NRN MS/AL AND TN. VERTICAL SHEAR AND INSTABILITY ARE FAVORABLE FOR ORGANIZED SEVERE STORMS/SUPERCELLS ACROSS THE BROAD WATCH AREA. CONVECTIVE COVERAGE WILL LIKELY INCREASE OVERNIGHT AS ANOTHER EMBEDDED SPEED MAX APPROACHES FROM TX/AR/LA AND CONTRIBUTES TO A STRENGTHENING LOW-LEVEL JET AND LIFT N OF THE DIFFUSE OUTFLOW BOUNDARY ACROSS NRN MS/AL. LARGE HAIL AND DAMAGING WINDS WILL BE THE MORE COMMON THREATS...THOUGH A FEW TORNADOES WILL REMAIN POSSIBLE. AVIATION...TORNADOES AND 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 26035. ...THOMPSON 381,0840 342,0862 342,0903 381,0882