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WWUS20 KWNS 120507

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SPC WW 120507

GAZ000-NCZ000-SCZ000-CWZ000-121100-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 102

NWS STORM PREDICTION CENTER NORMAN OK

110 AM EDT FRI APR 12 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       EASTERN GEORGIA

       SOUTHERN NORTH CAROLINA

       SOUTHERN AND EASTERN SOUTH CAROLINA

       COASTAL WATERS



EFFECTIVE THIS FRIDAY MORNING FROM 110 AM UNTIL 700 AM EDT.



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 90 STATUTE

MILES EAST AND WEST OF A LINE FROM 45 MILES NORTH OF FLORENCE

SOUTH CAROLINA TO 25 MILES EAST SOUTHEAST OF WAYCROSS GEORGIA.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU2).



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...CONTINUE...WW 100...WW 101...



DISCUSSION...TSTMS NOW FORMING IN ERN/SRN GA APPEAR TO BE ASSOCIATED

WITH THE EXPECTED NE ACCELERATION OF AL UPR TROUGH AS THAT FEATURE

CONTINUES TO PIVOT NEWD AROUND LARGER SCALE CNTRL U.S. UPR LOW /PER

SATELLITE AND SFC PRES CHANGE DATA/. WITH AMPLE LOW-LVL MOISTURE IN

PLACE IN INCREASINGLY SHEARED ENVIRONMENT FROM THE SAVANNAH RVR VLY

NEWD ALONG THE SC CSTL PLN...POTENTIAL WILL EXIST FOR A FEW

SUSTAINED STORMS/SUPERCELLS WITH A RISK FOR LOCALLY DMGG WIND/SVR

HAIL/TORNADOES.



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

500. MEAN STORM MOTION VECTOR 23040.





...CORFIDI

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