Tornado Watch 253

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 253
NWS STORM PREDICTION CENTER NORMAN OK
445 PM CDT FRI MAY 2 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
PART OF NORTHERN ALABAMA
PARTS OF CENTRAL AND NORTHEAST MISSISSIPPI
MUCH OF MIDDLE TENNESSEE
EFFECTIVE THIS FRIDAY AFTERNOON FROM 445 PM UNTIL MIDNIGHT 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 APPROXIMATELY ALONG AND 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH NORTHEAST OF
NASHVILLE TENNESSEE TO 95 MILES SOUTHWEST OF COLUMBUS
MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).
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 251
...
WW 252
...
DISCUSSION...SUPERCELLS CONTINUE TO DEVELOP EWD AHEAD OF STRONG
UPPER TROUGH. WITH VERY FAVORABLE SHEAR AND INSTABILITY...POTENTIAL
WILL CONTINUE ACROSS THE WATCH ARE FOR TORNADOS AND SEVERE
THUNDERSTORMS THROUGH THE EVENING.
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 24035.
...HALES