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529 

WWUS20 KWNS 131757

SEL1

SPC WW 131757

ALZ000-INZ000-KYZ000-TNZ000-140100-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 151

NWS STORM PREDICTION CENTER NORMAN OK

100 PM CDT MON APR 13 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       NORTHERN ALABAMA

       SOUTHERN INDIANA

       CENTRAL KENTUCKY

       MIDDLE TENNESSEE



EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 100 PM UNTIL 800

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 70 STATUTE

MILES EAST AND WEST OF A LINE FROM 35 MILES SOUTHWEST OF

HUNTSVILLE ALABAMA TO 20 MILES NORTHWEST OF LOUISVILLE KENTUCKY.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU1).



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 149...WW 150...



DISCUSSION...BROKEN LINES OF THUNDERSTORMS WILL CONTINUE

DEVELOPING/INTENSIFYING ACROSS WW THIS AFTERNOON AHEAD OF SURFACE

COLD FRONT AND STRONG UPPER LOW.  SHEAR REMAINS SUFFICIENT FOR

SUPERCELLS...AND ISOLATED TORNADO THREAT WITH MORE DISCRETE STORMS.

OTHERWISE...LARGE HAIL AND ISOLATED DAMAGING WINDS WILL ACCOMPANY

MORE INTENSE CORES THROUGH THE EVENING.



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

400. MEAN STORM MOTION VECTOR 20025.





...EVANS

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