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000 

WWUS20 KWNS 021412

SEL0

SPC WW 021412

ILZ000-INZ000-KYZ000-MOZ000-022000-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 250

NWS STORM PREDICTION CENTER NORMAN OK

915 AM CDT FRI MAY 2 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHERN ILLINOIS

       SOUTHWEST INDIANA

       WESTERN KENTUCKY

       SOUTHEAST MISSOURI



EFFECTIVE THIS FRIDAY MORNING AND AFTERNOON FROM 915 AM UNTIL 300

PM CDT.



TORNADOES...HAIL TO 2 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 75 STATUTE

MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH NORTHWEST OF

EVANSVILLE INDIANA TO 50 MILES SOUTH SOUTHWEST OF PADUCAH

KENTUCKY.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).



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 248...WW 249...



DISCUSSION...LINE OF THUNDERSTORMS IS INTENSIFYING OVER SOUTHEAST MO

AND MAY POSE A THREAT OF DAMAGING WINDS AND HAIL THIS MORNING.

OTHER MORE ISOLATED CELLS MAY DEVELOP AHEAD OF LINE IN THE NEXT FEW

HOURS...WHERE LOW LEVEL VERTICAL SHEAR APPEARS FAVORABLE FOR

SUPERCELL STORMS CAPABLE OF ISOLATED TORNADOES.



AVIATION...TORNADOES AND 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

500. MEAN STORM MOTION VECTOR 24035.





...HART

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