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WWUS20 KWNS 272322

SEL2

SPC WW 272322

INZ000-KYZ000-OHZ000-280700-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 242

NWS STORM PREDICTION CENTER NORMAN OK

725 PM EDT WED APR 27 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       INDIANA

       NORTHERN KENTUCKY

       WESTERN AND CENTRAL OHIO



EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 725 PM

UNTIL 300 AM EDT.



TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 15 MILES NORTHWEST OF TERRE

HAUTE INDIANA TO 25 MILES EAST SOUTHEAST OF COLUMBUS OHIO.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU2).



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 232...WW 235...WW

236...WW 237...WW 238...WW 239...WW 240...WW 241...



DISCUSSION...SURFACE LOW OVER FAR SWRN IND IS FORECAST TO DEVELOP

NEWD TO NEAR CLE BY 28/06Z IN ADVANCE OF STRONG VORTICITY MAXIMUM

CURRENTLY NEAR THE CONFLUENCE OF THE MS/OH RIVERS.  INTENSE DYNAMIC

FORCING FOR ASCENT ASSOCIATED WITH THIS UPPER-LEVEL SYSTEM WILL BE

SUPPORTIVE OF SUFFICIENT DESTABILIZATION FOR LOW-TOPPED

SUPERCELLS/BOWS CAPABLE OF TORNADOES AND DAMAGING WINDS.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

300. MEAN STORM MOTION VECTOR 21050.





...MEAD

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