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URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 430

NWS STORM PREDICTION CENTER NORMAN OK

1205 PM CDT SUN JUN 5 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       PARTS OF SOUTH CENTRAL KENTUCKY

       MUCH OF MIDDLE TENNESSEE



EFFECTIVE THIS SUNDAY AFTERNOON FROM 1205 PM UNTIL 500 PM CDT.



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 75

STATUTE MILES EAST AND WEST OF A LINE FROM 25 MILES WEST

NORTHWEST OF BOWLING GREEN KENTUCKY TO 75 MILES SOUTH OF

NASHVILLE TENNESSEE.  FOR A COMPLETE DEPICTION OF THE WATCH SEE

THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).



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.



DISCUSSION...CLUSTER OF STRONG/SEVERE THUNDERSTORMS WITH ASSOCIATED

COLD POOL CONTINUES TO MOVE/DEVELOP SEWD INTO AN INCREASINGLY

UNSTABLE AIR MASS.  EXPECT THAT WIND DAMAGE THREAT WILL EXPAND AS

THE STORMS CONTINUE SEWD THRU THE AFTERNOON GIVEN THE MLCAPES AOA

3000 J/KG THAT ARE NOW AVAILABLE MIDDLE TN.



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 500. MEAN STORM

MOTION VECTOR 32030.





...HALES

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