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746 

WWUS20 KWNS 141802

SEL6

SPC WW 141802

NCZ000-TNZ000-VAZ000-WVZ000-142300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 316

NWS STORM PREDICTION CENTER NORMAN OK

205 PM EDT MON JUN 14 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       NORTHWESTERN NORTH CAROLINA

       EASTERN TENNESSEE

       SOUTHWEST VIRGINIA

       SOUTHEAST WEST VIRGINIA



EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 205 PM UNTIL 700

PM EDT.



HAIL TO 1.5 INCHES 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 25 MILES NORTH

NORTHEAST OF DANVILLE VIRGINIA TO 50 MILES WEST NORTHWEST OF

KNOXVILLE TENNESSEE.  FOR A COMPLETE DEPICTION OF THE WATCH SEE

THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).



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.



DISCUSSION...AN INCREASING LINE OF STRONG THUNDERSTORMS WILL SPREAD

ACROSS THE WATCH AREA THIS AFTERNOON...WHILE NEW STORMS DEVELOP

SOUTHWESTWARD INTO EASTERN TN.  STRONG INSTABILITY AND HIGH MOISTURE

PRECIP WATER VALUES WILL COMPENSATE FOR RATHER WEAK WIND

FIELDS...PROMOTING A RISK OF LOCALLY DAMAGING WIND GUSTS.



AVIATION...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 31025.





...HART

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