

671 

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

