

000 

WWUS20 KWNS 060119

SEL0

SPC WW 060119

TNZ000-060700-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 40

NWS STORM PREDICTION CENTER NORMAN OK

720 PM CST TUE FEB 5 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       MIDDLE TENNESSEE



EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 720 PM

UNTIL 100 AM 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 EAST AND WEST OF A LINE FROM 15 MILES EAST NORTHEAST OF

CLARKSVILLE TENNESSEE TO 85 MILES SOUTH SOUTHWEST OF NASHVILLE

TENNESSEE.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).



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 35...WW 36...WW 37...WW

38...WW 39...



DISCUSSION...ISOLATED TORNADIC SUPERCELLS OVER WESTERN TN AND

NORTHEAST MS WILL TRACK NORTHEASTWARD ACROSS WATCH AREA THIS

EVENING.  VERY STRONG VERTICAL SHEAR PROFILES AND SUFFICIENT

INSTABILITY WILL LIKELY MAINTAIN A RISK OF TORNADOES...DAMAGING

WINDS...AND HAIL THROUGH FOR ANOTHER FEW HOURS.  FARTHER

WEST...SQUALL LINE OVER AR WILL BEGIN TO AFFECT REGION AFTER

MIDNIGHT.



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 24045.





...HART

