WATCHES: Tornado Watch Number 659

WWUS20 KWNS 020007
SEL9
SPC WW 020007
KYZ000-TNZ000-020600-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 659
NWS STORM PREDICTION CENTER NORMAN OK
805 PM EDT MON OCT 1 2012

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

SOUTHEAST KENTUCKY
MIDDLE AND EAST TENNESSEE

EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 805 PM UNTIL
200 AM EDT.

TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 40 STATUTE
MILES EAST AND WEST OF A LINE FROM 70 MILES NORTH NORTHEAST OF
CROSSVILLE TENNESSEE TO 5 MILES EAST SOUTHEAST OF CHATTANOOGA
TENNESSEE. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).

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 658...

DISCUSSION...NNE-SSW SQLN IN ERN PART OF MIDDLE TN EXPECTED TO
CONTINUE ADVANCING SLOWLY EWD...WHILE EMBEDDED STORMS MOVE MORE
RAPIDLY NNE ALONG IT. AMPLE DEEP SHEAR WILL PERSIST FOR SUSTAINED
STORMS. IN ADDITION...SUFFICIENT LOW-LVL SHEAR WILL EXIST FOR
OCCASIONAL LOW-LVL MESOCYCLONES/POSSIBLE TORNADOES GIVEN CONTINUED
NNE MOTION OF 50 KT SSWLY LLJ ACROSS E TN...AND MOISTENING NEAR-SFC
ENVIRONMENT.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
400. MEAN STORM MOTION VECTOR 21030.


...CORFIDI

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