

695 

WWUS20 KWNS 111516

SEL1

SPC WW 111516

GAZ000-SCZ000-112000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 951

NWS STORM PREDICTION CENTER NORMAN OK

1015 AM EST THU DEC 11 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       NORTHEASTERN GEORGIA

       WESTERN SOUTH CAROLINA



EFFECTIVE THIS THURSDAY MORNING AND AFTERNOON FROM 1015 AM UNTIL

300 PM 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 EITHER SIDE OF A LINE FROM 10 MILES NORTH NORTHWEST

OF GREENVILLE SOUTH CAROLINA TO 40 MILES SOUTH OF ATHENS GEORGIA.

 FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU1).



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 950...



DISCUSSION...LOW TOPPED LINE OF CONVECTION WAS MOVING NNEWD ALONG

COLD FRONT AT 35-40 MPH. THOUGH INSTABILITY IS WEAK...SURFACE

FALL/RISE COUPLET...50-60 KT WINDS JUST ABOVE THE SURFACE AND STRONG

SUBSIDENCE BEHIND FRONT MAY SUPPORT SEVERE WINDS REACHING THE

SURFACE SHORTLY.



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 300. MEAN STORM MOTION

VECTOR 19035.





...IMY

