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000 

WWUS20 KWNS 071814

SEL4

SPC WW 071814

GAZ000-NCZ000-SCZ000-CWZ000-080200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 814

NWS STORM PREDICTION CENTER NORMAN OK

210 PM EDT THU AUG 7 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       FAR EASTERN GEORGIA

       SOUTHERN AND EASTERN NORTH CAROLINA

       MUCH OF SOUTH CAROLINA

       COASTAL WATERS



EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 210 PM UNTIL

1000 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 65

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 55 MILES NORTHWEST

OF AUGUSTA GEORGIA TO 75 MILES EAST OF NEW BERN NORTH CAROLINA.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU4).



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 812...WW 813...



DISCUSSION...STORMS ARE EXPECTED TO INCREASE IN NUMBER AND

INTENSITIES AS COLD FRONT SAGS SLOWLY SWD INTO THE WATCH AREA. ALSO

STORMS WILL BE AIDED BY AMPLIFYING UPPER TROUGH AND STRENGTHENING

WINDS ALOFT. STRONG HEATING...MODERATE INSTABILITY AND 30-50 KT MID

LEVEL WINDS WILL BE FAVORABLE FOR DAMAGING WINDS AND HAIL. THE WIND

THREAT WILL BE GREATER IN STORMS THAT ORGANIZE INTO SHORT LINES.



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 27025.





...IMY

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