A severe thunderstorm watch has been issued for Central and South Alabama this morning…it goes until 1 o’clock.
It does not include the Tuscaloosa/Birmingham/Anniston/Gadsden areas…
Central Alabama counties include: Autauga, Chilton, Coosa, Dallas, Elmore, Lowndes, Marengo, Montgomery and Perry…
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URGENT – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 259
NWS STORM PREDICTION CENTER NORMAN OK
710 AM CDT SAT MAY 3 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
CENTRAL AND SOUTHERN ALABAMA
THE WESTERN FLORIDA PANHANDLE
COASTAL WATERS
EFFECTIVE THIS SATURDAY MORNING AND AFTERNOON FROM 710 AM UNTIL 100 PM CDT.
HAIL TO 1.5 INCHES IN DIAMETER…THUNDERSTORM WIND GUSTS TO 70 MPH…AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 15 MILES WEST OF MOBILE ALABAMA TO 35 MILES SOUTH OF MONTGOMERY ALABAMA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).
REMEMBER…A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES.
OTHER WATCH INFORMATION…CONTINUE…WW 258…
DISCUSSION…A WELL-DEVELOPED PRE-FRONTAL SQUALL LINE WILL CONTINUE MOVING ESEWD THROUGH THE MORNING ACROSS CENTRAL/SRN AL. AS THE LOW LEVELS DESTABILIZE WITH DAYTIME HEATING…THE THREAT FOR DAMAGING WINDS AND LARGE HAIL WILL BE MAINTAINED WITH THE STRONGEST STORMS IN THE LINE. THE CONVECTIVE MODE SHOULD REMAIN PRIMARILY LINEAR GIVEN THE TENDENCY FOR LOW-LEVEL AND DEEP LAYER SHEAR TO WEAKEN GRADUALLY BY EARLY AFTERNOON.
AVIATION…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 500. MEAN STORM MOTION VECTOR 28030.
…THOMPSON
