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WWUS20 KWNS 061726

SEL9

SPC WW 061726

GAZ000-NCZ000-SCZ000-CWZ000-070100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 579

NWS STORM PREDICTION CENTER NORMAN OK

125 PM EDT FRI AUG 6 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       MUCH OF NORTHERN AND CENTRAL GEORGIA

       PARTS OF SOUTHERN NORTH CAROLINA

       MOST OF SOUTH CAROLINA

       COASTAL WATERS



EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 125 PM UNTIL 900

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 95

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 15 MILES NORTH OF LA

GRANGE GEORGIA TO 35 MILES NORTH OF MYRTLE BEACH SOUTH CAROLINA.

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...A VERY MOIST AND UNSTABLE AIR MASS COVERS WATCH AREA

WITH MLCAPES AOA 3000 J/KG BECOMING COMMON WITH LITTLE REMAINING

CINH.  SCATTERED THUNDERSTORMS ARE DEVELOPING ACROSS MUCH OF THE

WATCH. STORMS WILL CONTINUE TO INCREASE IN NUMBER AND INTENSITY THRU

THE AFTERNOON WITH WET MICRO BURSTS BEING THE PRIMARY THREAT.

DAMAGING WINDS WILL BE MOST LIKELY ASSOCIATED WITH STRONGER STORMS

ALONG WITH DEVELOPING COLD POOLS AS STORMS PROPAGATE E/SEWD ACROSS

THE WATCH AREA.



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 550. MEAN STORM

MOTION VECTOR 28015.





...HALES

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