

650 

WWUS20 KWNS 041637

SEL2

SPC WW 041637

INZ000-KYZ000-TNZ000-042300-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 92

NWS STORM PREDICTION CENTER NORMAN OK

1135 AM CDT MON APR 4 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       EXTREME SOUTHERN INDIANA

       CENTRAL KENTUCKY

       MIDDLE TENNESSEE



EFFECTIVE THIS MONDAY MORNING AND EVENING FROM 1135 AM UNTIL 600

PM CDT.



TORNADOES...HAIL TO 1 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 80 STATUTE

MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH OF LEXINGTON

KENTUCKY TO 85 MILES SOUTH SOUTHWEST OF NASHVILLE TENNESSEE.  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 88...WW 89...WW 90...WW

91...



DISCUSSION...COLD FRONTAL SQUALL LINE IS EXPECTED TO CONSOLIDATE

ACROSS KY/TN BY EARLY AFTERNOON AND CONTINUE EWD ACROSS CENTRAL

KY/MIDDLE TN THROUGH THE AFTERNOON.  DAMAGING WINDS WILL BE THE MAIN

SEVERE THREAT WITH EMBEDDED BOWING SEGMENTS.  A COUPLE OF TORNADOES

WILL ALSO BE POSSIBLE WITH EMBEDDED QLCS CIRCULATIONS...OR IF A

PRE-FRONTAL SUPERCELL CAN EVOLVE FROM THE ONGOING CONVECTION FROM NE

MS INTO WRN TN AND WRN KY.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND

GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.

MEAN STORM MOTION VECTOR 25045.





...THOMPSON

