

551 

WWUS20 KWNS 041709

SEL1

SPC WW 041709

FLZ000-GAZ000-SCZ000-CWZ000-042300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 351

NWS STORM PREDICTION CENTER NORMAN OK

110 PM EDT MON JUN 4 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       EXTREME NORTH FLORIDA

       SOUTHERN GEORGIA

       FAR SOUTHERN SOUTH CAROLINA

       COASTAL WATERS



EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 110 PM UNTIL 700

PM EDT.



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 55

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES NORTH

NORTHWEST OF MOULTRIE GEORGIA TO 50 MILES EAST NORTHEAST OF

BRUNSWICK GEORGIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).



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...AIDED BY THE REMNANTS OF AN EARLY DAY MESOSCALE

CONVECTIVE SYSTEM AND ITS ASSOCIATED OUTFLOW...CLUSTERS OF STORMS

ARE EXPECTED TO STEADILY INCREASE/INTENSIFY THIS AFTERNOON. THIS

WILL INITIALLY OCCUR ACROSS SOUTHEAST GA/FAR SOUTHERN SC...WITH

ADDITIONAL DEVELOPMENT POSSIBLE LATER THIS AFTERNOON ACROSS

ADDITIONAL PORTIONS OF FAR SOUTH GA/EXTREME NORTH FL. A COMBINATION

OF MODERATE INSTABILITY AND VERTICAL SHEAR...AIDED BY RELATIVELY

STRONG NORTHWESTERLY MID/HIGH LEVEL FLOW...WILL SUPPORT SUSTAINED

MULTICELLS CAPABLE OF WIND DAMAGE AND SEVERE HAIL.



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 27040.





...GUYER/CARBIN

