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800 

WWUS20 KWNS 182007

SEL3

SPC WW 182007

GAZ000-SCZ000-190300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 503

NWS STORM PREDICTION CENTER NORMAN OK

410 PM EDT SAT JUN 18 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       MUCH OF CENTRAL GEORGIA

       MUCH OF CENTRAL AND WESTERN SOUTH CAROLINA



EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 410 PM UNTIL

1100 PM EDT.



HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45

STATUTE MILES EITHER SIDE OF A LINE FROM 25 MILES NORTH NORTHWEST

OF LA GRANGE GEORGIA TO 55 MILES EAST NORTHEAST OF COLUMBIA SOUTH

CAROLINA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).



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 499...WW 500...WW

501...WW 502...



DISCUSSION...LONG LIVED COLD POOL DRIVING SEVERE THUNDERSTORMS ESEWD

INTO WATCH AREA FROM TN. WITH AIR MASS OVER WATCH VERY UNSTABLE AND

LITTLE CAP...EXPECT SEVERE STORMS TO CONTINUE DEVELOPING ESEWD

ACROSS THE WATCH WITH DAMAGING WINDS.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 29030.





...HALES

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