

308 

WWUS20 KWNS 190746

SEL1

SPC WW 190746

GAZ000-SCZ000-CWZ000-191200-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 31

NWS STORM PREDICTION CENTER NORMAN OK

245 AM EST THU FEB 19 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       EASTERN GEORGIA

       SOUTHERN SOUTH CAROLINA

       COASTAL WATERS



EFFECTIVE THIS THURSDAY MORNING FROM 245 AM UNTIL 700 AM EST.



TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE

MILES EAST AND WEST OF A LINE FROM 65 MILES SOUTHWEST OF SAVANNAH

GEORGIA TO 40 MILES NORTH NORTHEAST OF SAVANNAH GEORGIA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU1).



REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR

TORNADOES AND 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.



OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES SEVERE

THUNDERSTORM WATCH NUMBER 26. WATCH NUMBER 26 WILL NOT BE IN

EFFECT AFTER 245 AM EST. CONTINUE...WW 28...WW 30...



DISCUSSION...THREAT FOR LOCALLY DMGG WIND GUSTS AND ISOLD TORNADOES

EXPECTED TO PERSIST ALONG THE GA/SC CSTL PLN AND ADJACENT CSTL

WATERS UNTIL AROUND 12Z AS STORMS ALONG PREFRONTAL CONFLUENCE BAND

CONTINUE EWD IN STRONGLY SHEARED ENVIRONMENT.  WRN-MOST AREA OF

POTENTIAL INITIATION OF DISCRETE STORMS ALONG THE BAND ATTM APPEARS

TO BE INVOF WEAK LEWP NNE OF ABY.  STRENGTHENING WIND FIELD AND

ASCENT WITH AMPLIFYING UPR TROUGH SHOULD ACCELERATE SVR THREAT EWD

OFF THE CST AFTER DAWN.



AVIATION...TORNADOES AND 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 27045.





...CORFIDI

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