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WWUS20 KWNS 011903

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INZ000-KYZ000-OHZ000-020200-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 218

NWS STORM PREDICTION CENTER NORMAN OK

305 PM EDT TUE MAY 1 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       CENTRAL AND SOUTHERN INDIANA

       FAR NORTHERN KENTUCKY

       SOUTHWEST OHIO



EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 305 PM UNTIL

1000 PM EDT.



TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND

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

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 5 MILES NORTHWEST OF

BLOOMINGTON INDIANA TO 60 MILES SOUTH OF COLUMBUS OHIO.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU8).



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 217...



DISCUSSION...TSTMS ARE EXPECTED TO INCREASE IN COVERAGE AND

INTENSITY THIS AFTERNOON ALONG AND S OF WARM FRONT LIFTING NWD

THROUGH THE OH VALLEY.  THE PRESENCE OF A 30-40 KT LLJ /PER REGIONAL

VWP DATA/ IS ENHANCING THE NWD FLUX OF A MOIST/UNSTABLE BOUNDARY

LAYER...AND ENLARGING LOW-LEVEL HODOGRAPHS.  AS SUCH...ENVIRONMENT

IS EXPECTED TO BECOME INCREASINGLY SUPPORTIVE OF SUPERCELLS WITH A

RISK FOR LARGE HAIL...DAMAGING WINDS...AND PERHAPS A FEW TORNADOES.



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

SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE

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

450. MEAN STORM MOTION VECTOR 27030.





...MEAD

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