WATCHES: Severe Thunderstorm Watch Number 126

WWUS20 KWNS 112127
SEL6
SPC WW 112127
INZ000-KYZ000-120300-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 126
NWS STORM PREDICTION CENTER NORMAN OK
530 PM EDT WED APR 11 2007

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

LARGE PORTION OF INDIANA
PARTS OF NORTHERN KENTUCKY

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 530 PM UNTIL
1100 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 EAST AND WEST OF A LINE FROM 55 MILES NORTHEAST OF
LAFAYETTE INDIANA TO 25 MILES SOUTH SOUTHEAST OF LOUISVILLE
KENTUCKY. 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 124...WW 125...

DISCUSSION...VERY STRONG TROUGH AND ASSOCIATED WIND FIELDS DRIVING
EWD ACROSS OH VALLEY. AIR MASS HAS DESTABILIZED SUFFICIENTLY TO
SUPPORT LINE OF INTENSIFYING LOW TOPPED THUNDERSTORMS MOVING INTO
WRN IND. LINE WILL CONTINUE TO INCREASE WITH ASSOCIATED WIND DAMAGE
AND LARGE HAIL AS IT MOVES RAPIDLY EWD.

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 350. MEAN STORM
MOTION VECTOR 24035.

..HALES

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