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INZ000-KYZ000-OHZ000-160400-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 322

NWS STORM PREDICTION CENTER NORMAN OK

545 PM EDT TUE JUN 15 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       PARTS OF SOUTHERN INDIANA

       LARGE PART OF CENTRAL KENTUCKY

       MUCH OF WESTERN OHIO



EFFECTIVE THIS TUESDAY AFTERNOON FROM 545 PM UNTIL MIDNIGHT EDT.



HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80

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



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 65 MILES SOUTH

SOUTHWEST OF BLOOMINGTON INDIANA TO 45 MILES SOUTHEAST OF DAYTON

OHIO.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED

WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).



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 321...



DISCUSSION...SEVERE THUNDERSTORMS DEVELOP OVER IND/WRN KY  EVOLVING

INTO A SQUALL LINE WITH POTENTIAL FOR WIDESPREAD DAMAGING WINDS.

GIVEN THE VERY MOIST/UNSTABLE AIR MASS ACROSS THE WATCH AND APPROACH

OF THE UPPER TROUGH AND MID LEVEL WIND MAX...SEVERE THUNDERSTORMS

EXPECTED TO MOVE RAPIDLY EWD ACROSS OH VALLEY THIS EVENING.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM

MOTION VECTOR 24035.





...HALES

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