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222 

WWUS20 KWNS 041344

SEL6

SPC WW 041344

INZ000-KYZ000-042000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 656

NWS STORM PREDICTION CENTER NORMAN OK

945 AM EDT TUE AUG 4 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       CENTRAL AND SOUTHERN INDIANA

       FAR NORTHERN KENTUCKY



EFFECTIVE THIS TUESDAY MORNING AND AFTERNOON FROM 945 AM UNTIL

400 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 70

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES NORTHWEST

OF TERRE HAUTE INDIANA TO 80 MILES SOUTH SOUTHEAST OF MUNCIE

INDIANA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).



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 654...WW 655...



DISCUSSION...BOWING MCS...POSSIBLE DERECHO...EVOLVING OVER IL EARLY

THIS MORNING WILL LIKELY TRACK ESEWD ACROSS IND LATER THIS

MORNING/AFTERNOON AS A VERY UNSTABLE AIR MASS DEVELOPS ACROSS THE OH

RIVER VALLEY.  ADDITIONAL DEVELOPMENT WILL CONTINUE AHEAD OF THIS

LINE OF STORMS ACROSS CENTRAL IND WITH THREATS OF ISOLATED DAMAGING

WINDS AND LARGE HAIL.  THIS ACTIVITY WILL LIKELY ADD TO FLOODING

CONCERNS ACROSS ERN PORTIONS OF WW WHERE HEAVY RAIN HAS ALREADY

FALLEN THIS MORNING...AND WHERE TRAINING OCCURS ACROSS CENTRAL INTO

SWRN IND.



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.





...EVANS

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