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WWUS20 KWNS 030938

SEL7

SPC WW 030938

GAZ000-NCZ000-SCZ000-031400-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 67

NWS STORM PREDICTION CENTER NORMAN OK

440 AM EST SAT MAR 3 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       EXTREME EAST CENTRAL GEORGIA

       CENTRAL NORTH CAROLINA

       CENTRAL SOUTH CAROLINA



EFFECTIVE THIS SATURDAY MORNING FROM 440 AM UNTIL 900 AM EST.



HAIL TO 1 INCH 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 45

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

AUGUSTA GEORGIA TO 15 MILES NORTHEAST OF ROCKY MOUNT NORTH

CAROLINA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).



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 65...WW 66...



DISCUSSION...A PRE-FRONTAL CONVECTIVE BAND IN SC EXTENDS NEWD ALONG

A RESIDUAL WEDGE FRONT INTO CENTRAL NC.  LOW-MIDLEVEL SHEAR REMAINS

STRONG OVER THE CAROLINAS WITH LARGELY UNIDIRECTIONAL SWLY WIND

PROFILES...BUT INSTABILITY IS WEAK.  THE RISK FOR DAMAGING WINDS

WILL CONTINUE WITH EMBEDDED BOWING SEGMENTS GIVEN THE STRONG WIND

ENVIRONMENT...THOUGH AN ISOLATED TORNADO CANNOT BE RULED OUT.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.

A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM MOTION

VECTOR 25050.





...THOMPSON

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