

277 

WWUS20 KWNS 111620

SEL6

SPC WW 111620

GAZ000-KYZ000-NCZ000-SCZ000-TNZ000-VAZ000-120000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 376

NWS STORM PREDICTION CENTER NORMAN OK

1220 PM EDT THU JUN 11 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       NORTHERN GEORGIA

       SOUTHEASTERN KENTUCKY

       WESTERN NORTH CAROLINA

       WESTERN SOUTH CAROLINA

       EASTERN TENNESSEE

       WESTERN VIRGINIA



EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 1220 PM UNTIL

800 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 85

STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES WEST

NORTHWEST OF BRISTOL TENNESSEE TO 35 MILES WEST OF ATHENS

GEORGIA.  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.



OTHER WATCH INFORMATION...CONTINUE...WW 374...WW 375...



DISCUSSION...BOWING MCS OVER MIDDLE TN INTO NERN AL SHOULD CONTINUE

TO INTENSIFY TODAY WHILE PROGRESSING EWD THROUGH A MOIST AND

MODERATELY UNSTABLE AIR MASS WITH MLCAPE OF 1500-2500 J/KG.  DEEP

WLY FLOW SHOULD CONTINUE TO PROMOTE FORWARD-PROPAGATION OF SYSTEM

WITH THE THREAT FOR DAMAGING WINDS AND HAIL.



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 27035.





...MEAD/THOMPSON

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