TORNADO WATCH NUMBER 902
NWS STORM PREDICTION CENTER NORMAN OK
1130 AM CST WED NOV 24 2004
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHEAST ILLINOIS
SOUTHWEST INDIANA
WESTERN KENTUCKY
WESTERN/MIDDLE TENNESSEE
EFFECTIVE THIS WEDNESDAY MORNING AND AFTERNOON FROM 1130 AM UNTIL
500 PM CST.
TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS ALONG AND 60 STATUTE MILES EAST AND WEST
OF A LINE FROM 80 MILES SOUTH SOUTHWEST OF NASHVILLE TENNESSEE TO
45 MILES NORTH NORTHWEST OF EVANSVILLE INDIANA.
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...CONTINUE...WW 899...WW 900...WW 901...
DISCUSSION...INTENSE/DEEPENING SYSTEM MOVING RAPIDLY NEWD INTO OH/TN
VALLEY. VERY STRONG DEEP LAYER SHEAR COUPLED WITH MODEST BUT
ADEQUATE INSTABILITY WILL SUPPORT LOW TOPPED SUPERCELLS ALONG/AHEAD
OF COLD FRONT MOVING EWD INTO WRN KY/TN. TORNADO POTENTIAL WILL BE
ENHANCED IN CONVERGENCE VICINITY WARM FRONT WHICH EXTENDS ENEWD FROM
SURFACE LOW NOW SERN IL INTO SRN IND.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
350. MEAN STORM MOTION VECTOR 24045.
