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WWUS20 KWNS 032009

SEL4

SPC WW 032009

ALZ000-GAZ000-040000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 234

NWS STORM PREDICTION CENTER NORMAN OK

410 PM EDT SUN MAY 3 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       SOUTHEAST ALABAMA

       SOUTHWEST GEORGIA



EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 410 PM UNTIL 800

PM EDT.



HAIL TO 1 INCH 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 55

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

ALBANY GEORGIA TO 30 MILES SOUTHEAST OF DOTHAN ALABAMA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU4).



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 233...



DISCUSSION...TRAILING PORTION OF SEVERE DERECHO MOVING FROM CENTRAL

INTO ERN AL AT THIS TIME IS EXPECTED TO MOVE INTO SOUTHEAST AL AND

THEN SOUTHWEST GA OVER THE NEXT FEW HOURS. WARM CONDITIONS AND WELL

MIXED BOUNDARY LAYER AHEAD OF THE LINE SUGGEST SOME POTENTIAL FOR

DAMAGING WINDS TO ACCOMPANY THE LONG-LIVED CONVECTION BEFORE IT

OUTRUNS STRONGER FORCING AND DIURNAL STABILIZATION BEGINS TO SET IN.



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

TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.

A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM MOTION

VECTOR 27035.





...CARBIN

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