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000 

WWUS20 KWNS 211658

SEL7

SPC WW 211658

INZ000-KYZ000-220000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 717

NWS STORM PREDICTION CENTER NORMAN OK

100 PM EDT MON JUL 21 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       SMALL PART OF SOUTHEAST INDIANA

       MUCH OF CENTRAL AND EASTERN KENTUCKY



EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 100 PM UNTIL 800

PM EDT.



HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 45 MILES NORTH

NORTHWEST OF BOWLING GREEN KENTUCKY TO 10 MILES EAST OF JACKSON

KENTUCKY.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).



REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE

FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY

DO PRODUCE TORNADOES.



OTHER WATCH INFORMATION...CONTINUE...WW 714...WW 715...WW 716...



DISCUSSION...THUNDERSTORMS ARE INTENSIFYING SERN IN/NRN KY AND WILL

BE MOVING SEWD INTO A VERY UNSTABLE AIR MASS OVER KY.  WITH MLCAPES

AOA 3000 J/KG AND 30KT OF DEEP LAYER SHEAR...STORMS WILL DEVELOP

INTO FORWARD PROPAGATING COMPLEXES WITH AN ENHANCED WIND DAMAGE

THREAT.



AVIATION...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 550. MEAN STORM

MOTION VECTOR 29035.





...HALES

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