

000 

WWUS20 KWNS 141650

SEL7

SPC WW 141650

KYZ000-OHZ000-TNZ000-VAZ000-WVZ000-150100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 397

NWS STORM PREDICTION CENTER NORMAN OK

1250 PM EDT THU JUN 14 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       MUCH OF EASTERN KENTUCKY

       PARTS OF SOUTHERN OHIO

       EASTERN AND PARTS OF MIDDLE TENNESSEE

       PARTS OF WESTERN VIRGINIA

       MUCH OF WEST VIRGINIA



EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 1250 PM UNTIL

900 PM EDT.



HAIL TO 2 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 95

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 60 MILES EAST

NORTHEAST OF CHARLESTON WEST VIRGINIA TO 40 MILES WEST NORTHWEST

OF CROSSVILLE TENNESSEE.  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.



DISCUSSION...WITH UPPER VORT TRACKING SWWD FROM WRN PA INTO

WV...COUPLED WITH STRONG HEATING W OF APPALACHIANS  THUNDERSTORMS

EXPECTED TO DEVELOP ACROSS MUCH OF WATCH AREA DURING THE AFTERNOON.

IN ADDITION TO LARGE HAIL...DAMAGING WINDS ARE LIKELY...PARTICULARLY

ASSOCIATED WITH DEVELOPMENT OF CLUSTERS OF STORMS.



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

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 03025.





...HALES

