SEL0
SPC WW 111733
GAZ000-NCZ000-SCZ000-CWZ000-120200-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 380
NWS STORM PREDICTION CENTER NORMAN OK
135 PM EDT MON JUN 11 2007
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
MUCH OF EASTERN GEORGIA
A SMALL PART OF SOUTHERN NORTH CAROLINA
MUCH OF SOUTH CAROLINA
COASTAL WATERS
EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 135 PM UNTIL
1000 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 100
STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES NORTH OF
SPARTANBURG SOUTH CAROLINA TO 35 MILES SOUTH SOUTHWEST OF
BRUNSWICK GEORGIA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).
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...AIR MASS HAS BECOME VERY MOIST AND UNSTABLE ACROSS MUCH
OF WATCH WITH MLCAPES RANGING UPWARDS FROM 2000 J/KG SC TO ABOVE
3000 J/KG ERN GA. WITH 30-35 KT OF SHEAR...THUNDERSTORMS WILL
INCREASE IN BOTH NUMBER AND INTENSITY ACROSS WATCH AREA THRU THE
AFTERNOON WITH LARGE HAIL AND DAMAGING DOWNBURSTS. STORMS WILL
LIKELY EVOLVE INTO CLUSTERS ENHANCING WIND DAMAGE POTENTIAL AS THEY
MOVE/DEVELOP SE/SWD.
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 550. MEAN STORM
MOTION VECTOR 33025.
..HALES
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