WWUS20 KWNS 061428
SEL4
SPC WW 061428
ALZ000-GAZ000-SCZ000-062300-
URGENT – IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 254
NWS STORM PREDICTION CENTER NORMAN OK
1030 AM EDT WED MAY 6 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF
LARGE PART OF NORTHERN AND CENTRAL ALABAMA
MUCH OF NORTH AND PARTS OF CENTRAL GEORGIA
PARTS OF WESTERN SOUTH CAROLINA
EFFECTIVE THIS WEDNESDAY MORNING AND EVENING FROM 1030 AM UNTIL 700 PM EDT.
TORNADOES…HAIL TO 2.5 INCHES IN DIAMETER…THUNDERSTORM WIND GUSTS TO 80 MPH…AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 115 STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES WEST SOUTHWEST OF AUBURN ALABAMA TO 70 MILES NORTHEAST OF ROME GEORGIA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).
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 252…WW 253…
DISCUSSION…WELL DEVELOPED SQUALL LINE WITH EMBEDDED SUPERCELLS WILL CONTINUE EWD ACROSS THE WATCH AREA. WITH STRONG VEERING SHEAR PROFILES IN PLACE AND STEEP MID LEVEL LAPSE RATES ALONG WITH MLCAPES AOA 1500 J/KG…SEVERE THREAT WILL CONTINUE AND LIKELY INCREASE WITH DIURNAL HEATING. IN ADDITION TO TORNADO POTENTIAL ASSOCIATED WITH ANY EMBEDDED ROTATIONS WITHIN LINE…MORE DISCRETE SUPERCELLS COULD DEVELOP IN ADVANCE OF MAIN LINE AS AIR MASS CONTINUES TO DESTABILIZE.
AVIATION…TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 24035.
…HALES
Central Alabama Counties…
Bibb, Blount, Calhoun, Cherokee, Clay, Cleburne, Etowah, Greene, Hale, Jefferson, Randolph, Shelby, St. Clair, Sumter, Talladega, Tuscaloosa, Walker…
Also…new tornado watch for…Autauga, Chambers, Chilton, Coosa, Dallas, Elmore, Lee, Lowndes, Macon, Marengo, Montgomery, Perry, Russell, Tallapoosa [AL] till 6:00 PM CDT
