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155 

WWUS20 KWNS 120119

SEL3

SPC WW 120119

KYZ000-TNZ000-120500-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 383

NWS STORM PREDICTION CENTER NORMAN OK

920 PM EDT THU JUN 11 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHEAST KENTUCKY

       MIDDLE AND EASTERN TENNESSEE



EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 920 PM

UNTIL 100 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 120 STATUTE

MILES EAST AND WEST OF A LINE FROM 75 MILES NORTH NORTHWEST OF

CROSSVILLE TENNESSEE TO 60 MILES SOUTHWEST OF CROSSVILLE

TENNESSEE.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).



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 378...WW 380...WW

381...WW 382...



DISCUSSION...WSW-ENE BAND OF STORMS IN SRN KY...INCLUDING EMBEDDED

SUPERCELLS...EXPECTED TO CONTINUE GENERALLY ESE INTO TN THROUGH LATE

EVE.  STORMS WILL ENCOUNTER INCREASING DEEP WLY SHEAR RELATIVE TO

WHAT EXISTED DURING THEIR DEVELOPMENT IN NRN KY/SE IL.  COUPLED WITH

VERY MOIST LOW LVL ENVIRONMENT...SETUP SUGGESTS A CONTINUED

POTENTIAL FOR EMBEDDED LEWP/BOW STRUCTURES WITH SVR WIND/HAIL AND

POSSIBLY ISOLD TORNADOES...DESPITE LOSS OF SFC HEATING.



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 28035.





...CORFIDI

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