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000 

WWUS20 KWNS 190221

SEL5

SPC WW 190221

INZ000-KYZ000-OHZ000-190900-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 725

NWS STORM PREDICTION CENTER NORMAN OK

1020 PM EDT THU OCT 18 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHEAST INDIANA

       CENTRAL KENTUCKY

       WESTERN OHIO



EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 1020 PM

UNTIL 500 AM EDT.



TORNADOES...HAIL TO 1.5 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 60 STATUTE

MILES EAST AND WEST OF A LINE FROM 60 MILES NORTH NORTHEAST OF

DAYTON OHIO TO 40 MILES SOUTHEAST OF BOWLING GREEN KENTUCKY.  FOR

A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU5).



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 722...WW 724...



DISCUSSION...SUPERCELL THUNDERSTORMS OVER CENTRAL KY WILL CONTINUE

TO TRACK EASTWARD FOR THE NEXT SEVERAL HOURS...WHILE POTENTIAL FOR

NEW STORMS INCREASES OVER WESTERN OH.  EVENING SOUNDINGS AND LATEST

MODEL GUIDANCE SUGGEST VERY FAVORABLE VERTICAL SHEAR AND

THERMODYNAMIC PARAMETERS FAVORABLE FOR TORNADOES AND DAMAGING WINDS.

 SOME THREAT OF STRONG TORNADOES WILL ALSO PERSIST OVERNIGHT.



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

SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE

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

500. MEAN STORM MOTION VECTOR 24035.





...HART

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