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806 

WWUS20 KWNS 011942

SEL6

SPC WW 011942

KYZ000-TNZ000-VAZ000-020300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 546

NWS STORM PREDICTION CENTER NORMAN OK

245 PM CDT WED AUG 1 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       SOUTHERN AND EASTERN KENTUCKY

       MIDDLE AND EASTERN TENNESSEE

       EXTREME SOUTHWEST VIRGINIA



EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 245 PM UNTIL

1000 PM CDT.



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 50

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 55 MILES WEST OF

FORT CAMPBELL KENTUCKY TO 50 MILES EAST NORTHEAST 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.



OTHER WATCH INFORMATION...CONTINUE...WW 544...



DISCUSSION...STORMS WERE INCREASING ALONG RESIDUAL FRONT/WIND SHIFT

SETTLING INTO VERY UNSTABLE AIRMASS ACROSS KY/TN BORDER EAST INTO

THE APPALACHIANS. MEANWHILE...BAND OF STRONGER NWLY FLOW ALOFT IS

SPREADING SEWD TOWARD THIS AREA AND SHOULD AID IN STORM ORGANIZATION

THROUGH THE LATE AFTERNOON. EXPECT NUMEROUS MULTICELLULAR AND

OCCASIONAL SUPERCELLULAR STORMS TO BE CAPABLE OF SCATTERED LARGE

HAIL AND STRONG TO LOCALLY SEVERE DOWNBURST WINDS. SOME OF THIS

ACTIVITY MAY CONGEAL INTO ONE OR TWO MCSS TOWARD EVENING WITH WIND

DAMAGE AND HAIL POTENTIAL INCREASING ACROSS SRN PORTIONS OF THE

WATCH AREA/TN VALLEY.



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 550. MEAN STORM

MOTION VECTOR 34025.





...CARBIN

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