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WWUS20 KWNS 082233

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SPC WW 082233

GAZ000-NCZ000-SCZ000-TNZ000-VAZ000-WVZ000-090600-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 273

NWS STORM PREDICTION CENTER NORMAN OK

635 PM EDT FRI MAY 8 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       NORTHEAST GEORGIA

       WESTERN NORTH CAROLINA

       WESTERN SOUTH CAROLINA

       NORTHEAST TENNESSEE

       SOUTHWEST VIRGINIA

       SOUTHERN WEST VIRGINIA



EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 635 PM

UNTIL 200 AM EDT.



TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS

TO 60 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 15 MILES EAST NORTHEAST OF

BLUEFIELD WEST VIRGINIA TO 45 MILES WEST SOUTHWEST OF GREENVILLE

SOUTH CAROLINA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).



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 268...WW 270...WW

271...WW 272...



DISCUSSION...CHANCE FOR ISOLD TORNADOES MAY PERSIST WITH

SEMI-DISCRETE STORMS/WEAK SUPERCELLS MOVING GENERALLY E WITH STRONG

WLY CURRENT ON S SIDE OF MCV IN NE KY.  LOW-LVL LAPSE RATES WILL

REMAIN LIMITED.  BUT PRESENCE OF EXISTING STORMS IN WHAT WILL BECOME

AN INCREASINGLY SHEARED ENVIRONMENT MAY PROVE SUFFICIENT TO ENHANCE

STORM ROTATION ...AND AN ISOLD TORNADO/SVR WIND AND HAIL THREAT.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND

GUSTS TO 50 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.

MEAN STORM MOTION VECTOR 27035.





...CORFIDI

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