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000 

WWUS20 KWNS 231856

SEL9

SPC WW 231856

GAZ000-NCZ000-SCZ000-CWZ000-240200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 599

NWS STORM PREDICTION CENTER NORMAN OK

255 PM EDT MON JUN 23 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       EAST CENTRAL GEORGIA

       CENTRAL AND SOUTHERN NORTH CAROLINA

       MUCH OF SOUTH CAROLINA

       COASTAL WATERS



EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 255 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 105

STATUTE MILES EAST AND WEST OF A LINE FROM 25 MILES NORTH

NORTHWEST OF GOLDSBORO NORTH CAROLINA TO 50 MILES SOUTH SOUTHEAST

OF AUGUSTA GEORGIA.  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.



DISCUSSION...BANDS OF THUNDERSTORMS ARE DEVELOPING IN THE LEE OF THE

SRN APPALACHIANS...AS WELL AS ALONG A PRE-FRONTAL TROUGH A FEW

COUNTIES INLAND FROM THE COAST.  THIS ACTIVITY WILL BE ENHANCED BY

CONTINUED SURFACE HEATING THIS AFTERNOON...AS WELL AS THE APPROACH

OF A SHORTWAVE TROUGH FROM THE SRN APPALACHIANS.  THE COMBINATION OF

MODERATE INSTABILITY /MLCAPE OF 1500-2000 J/KG/ AND STEEP LOW-LEVEL

LAPSE RATES WILL SUPPORT A THREAT OF BOTH DAMAGING WINDS AND LARGE

HAIL WITH THE STRONGER STORMS THROUGH THE EVENING.



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 500. MEAN STORM

MOTION VECTOR 27025.





...THOMPSON

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