

733 

WWUS20 KWNS 141833

SEL8

SPC WW 141833

ALZ000-FLZ000-GAZ000-150000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 408

NWS STORM PREDICTION CENTER NORMAN OK

235 PM EDT SUN JUN 14 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       SOUTHERN ALABAMA

       FLORIDA PANHANDLE

       SOUTHWEST GEORGIA



EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 235 PM UNTIL 800

PM EDT.



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 45

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 40 MILES SOUTHWEST

OF EVERGREEN ALABAMA TO 40 MILES NORTHEAST OF MARIANNA FLORIDA.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU8).



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 406...WW 407...



DISCUSSION...LONG-LIVED BOWING MCS IS EXPECTED TO CONTINUE SSEWD TO

THE GULF COAST THIS AFTERNOON.  INFLOW AIR MASS IS MOIST AND

MODERATELY UNSTABLE WITH MLCAPE OF 2000-2500 J/KG.  WHEN COUPLED

WITH THE PRESENCE OF A 40-45 KT REAR INFLOW JET /PER BHM

VWP/...ENVIRONMENT WILL REMAIN FAVORABLE FOR DAMAGING WINDS ALONG

SYSTEM TRACK.



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 33035.





...MEAD/HALES

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