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WWUS20 KWNS 260443

SEL1

SPC WW 260443

ALZ000-KYZ000-MSZ000-TNZ000-261000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 211

NWS STORM PREDICTION CENTER NORMAN OK

1145 PM CDT MON APR 25 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       SMALL PART OF NORTHWEST ALABAMA

       PARTS OF WESTERN KENTUCKY

       PARTS OF NORTHEAST MISSISSIPPI

       PARTS OF MIDDLE AND WESTERN TENNESSEE



EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 1145 PM

UNTIL 500 AM CDT.



HAIL TO 1.5 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 60

STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES EAST

NORTHEAST OF OWENSBORO KENTUCKY TO 25 MILES SOUTH SOUTHEAST OF

TUPELO MISSISSIPPI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE

THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).



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...THIS SEVERE THUNDERSTORM WATCH REPLACES

TORNADO WATCH NUMBER 206. WATCH NUMBER 206 WILL NOT BE IN EFFECT

AFTER 1145 PM CDT. CONTINUE...WW 207...WW 210...



DISCUSSION...SQUALL LINE WITH ASSOCIATED DAMAGING WINDS EXPECTED TO

CONTINUE EWD ACROSS THE WATCH AREA.  WITH 60 KT LOW LEVEL JET AND

SUFFICIENT INSTABILITY...POTENTIAL FOR BRIEF ROTATING LINE SEGMENTS

ENHANCING BOTH THE WIND DAMAGE POTENTIAL AND AN ISOLATED TORNADO

THREAT.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 24040.





...HALES

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