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258 

WWUS20 KWNS 190537

SEL9

SPC WW 190537

GAZ000-CWZ000-191200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 29

NWS STORM PREDICTION CENTER NORMAN OK

1240 AM EST THU FEB 19 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       SOUTHEAST GEORGIA

       COASTAL WATERS



EFFECTIVE THIS THURSDAY MORNING FROM 1240 AM UNTIL 700 AM EST.



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 EAST AND WEST OF A LINE FROM 55 MILES NORTH

NORTHWEST OF BRUNSWICK GEORGIA TO 45 MILES EAST SOUTHEAST OF

VALDOSTA 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.



OTHER WATCH INFORMATION...CONTINUE...WW 26...WW 27...WW 28...



DISCUSSION...THUNDERSTORMS ACROSS CENTRAL AND SOUTHERN GA WILL

SPREAD INTO THE WATCH AREA DURING THE NEXT FEW HOURS.  MARGINAL

INSTABILITY AND RATHER STRONG VERTICAL SHEAR PROFILES WILL MAINTAIN

A RISK OF SEVERE/SUPERCELL STORMS OVERNIGHT...WITH LARGE HAIL BEING

THE MAIN THREAT.



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 450. MEAN STORM

MOTION VECTOR 27035.





...HART

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