WWUS20 KWNS 231457
SEL7
SPC WW 231457
FLZ000-GAZ000-CWZ000-232100-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 57
NWS STORM PREDICTION CENTER NORMAN OK
1055 AM EDT SAT MAR 23 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 

       NORTHERN FLORIDA
       SOUTHERN GEORGIA
       COASTAL WATERS

EFFECTIVE THIS SATURDAY MORNING AND AFTERNOON FROM 1055 AM UNTIL
500 PM EDT.

HAIL TO 2 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 55
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES WEST
SOUTHWEST OF VALDOSTA GEORGIA TO 30 MILES SOUTH SOUTHEAST OF
BRUNSWICK GEORGIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).

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.

DISCUSSION...AN INTENSIFYING CLUSTER OF THUNDERSTORMS OVER NORTH
CENTRAL FL/SOUTH CENTRAL GA WILL CONTINUE TO SPREAD EASTWARD TODAY
ACROSS THE WATCH AREA.  MOST OF THIS ACTIVITY IS ELEVATED...BUT
SUFFICIENT CAPE AND STEEP MID LEVEL LAPSE RATES WILL POSE A RISK OF
LOCALLY DAMAGING WINDS AND HAIL THROUGH MUCH OF THE AFTERNOON.

AVIATION...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 450. MEAN STORM
MOTION VECTOR 27030.


...HART