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415 

WWUS20 KWNS 272231

SEL2

SPC WW 272231

KYZ000-TNZ000-280400-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 22

NWS STORM PREDICTION CENTER NORMAN OK

435 PM CST SUN FEB 27 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       CENTRAL KENTUCKY

       NORTHERN MIDDLE TENNESSEE



EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 435 PM UNTIL

1000 PM CST.



TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 45 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 25 MILES SOUTHWEST OF FORT

CAMPBELL KENTUCKY TO 85 MILES EAST OF BOWLING GREEN KENTUCKY.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU2).



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 20...WW 21...



DISCUSSION...AN ISOLATED SUPERCELL HAS FORMED WEST OF

NASHVILLE...AND IS LIKELY TO PERSIST FOR A FEW HOURS ACROSS NORTHERN

MIDDLE TN AND SOUTH-CENTRAL KY.  OTHER STORMS MAY INTENSIFY OVER

THIS REGION CHARACTERIZED BY STRONG LOW LEVEL WARM ADVECTION.

FAVORABLE LOW AND DEEP LAYER VERTICAL SHEAR PROFILES WILL PROMOTE

THE RISK OF TORNADOES...ALONG WITH LARGE HAIL AND DAMAGING WINDS.



AVIATION...TORNADOES AND 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

450. MEAN STORM MOTION VECTOR 24035.





...HART

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