URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 125
NWS STORM PREDICTION CENTER NORMAN OK
1005 PM EDT SUN APR 1 2012
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
EAST CENTRAL AND SOUTHEAST INDIANA
EXTREME NORTHERN KENTUCKY
SOUTHWEST OHIO
EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 1005 PM UNTIL
300 AM 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 35
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 90 MILES WEST
NORTHWEST OF CINCINNATI OHIO TO 70 MILES EAST SOUTHEAST OF
CINCINNATI OHIO. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).
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...THUNDERSTORMS WILL LIKELY PERSIST ALONG A SWD-MOVING
COLD FRONT AND SPREAD ESEWD FROM INDIANA INTO SW OH OVER THE NEXT
FEW HOURS. A FEED OF MUCAPE NEAR 1000 J/KG AND EFFECTIVE BULK SHEAR
NEAR 40 KT WILL SUPPORT A RISK FOR SUPERCELLS WITH LARGE HAIL.
THOUGH THE CONVECTION WILL TEND TO BECOME MORE ELEVATED WITH
TIME...ISOLATED DAMAGING GUSTS WILL ALSO BE POSSIBLE.
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 450. MEAN STORM
MOTION VECTOR 30035.
...THOMPSON
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