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000 

WWUS20 KWNS 260608

SEL6

SPC WW 260608

ALZ000-LAZ000-MSZ000-261200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 76

NWS STORM PREDICTION CENTER NORMAN OK

1210 AM CST TUE FEB 26 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       PARTS OF CENTRAL ALABAMA

       PARTS OF EASTERN LOUISIANA

       PARTS OF MAINLY CENTRAL MISSISSIPPI



EFFECTIVE THIS TUESDAY MORNING FROM 1210 AM UNTIL 600 AM CST.



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 60

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES SOUTH

SOUTHEAST OF BIRMINGHAM ALABAMA TO 55 MILES NORTHWEST OF

ALEXANDRIA LOUISIANA.  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 75...



DISCUSSION...MOISTURE CONTINUES TO INCREASE ACROSS WATCH AREA AHEAD

OF AREA OF STRONG/SEVERE THUNDERSTORMS.  WITH STRONG DEEP LAYER

SHEAR AND ASCENT AHEAD OF S/WV TROUGH...SEVERE THUNDERSTORMS

EXPECTED TO CONTINUE AND POSSIBLY INCREASE AS THEY MOVE/DEVELOP

ACROSS WATCH AREA.  PRIMARY THREAT WILL BE DAMAGING WINDS ASSOCIATED

WITH BOWS/SHORT LINES SEGMENTS.



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 500. MEAN STORM

MOTION VECTOR 24040.





...HALES

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