

000 

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

