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000 FXUS62 KTAE 210046 AFDTAE AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TALLAHASSEE FL 750 PM EST FRI NOV 20 2009 .DISCUSSION...THE SURFACE LOW THAT WILL IMPACT OUR CWA OVER THE NEXT 24 TO 36 HOURS WAS OVER THE WESTERN GULF SOUTH OF CORPUS CHRISTI THIS EVENING. THE LOW IS FORECAST TO DEEPEN WHILE IT LIFTS TO THE EAST NORTHEAST TO A POSITION ABOUT 150 MILES SOUTH OF MORGAN CITY LA AT 12Z SAT WITH THE WARM FRONT STRETCHED EASTWARD OVER OR JUST SOUTH OF OUR COASTAL WATERS. WE ARE STILL UNCERTAIN ABOUT THE SEVERE WEATHER POTENTIAL ASSOCIATED WITH THIS SYSTEM. HOWEVER...IF IT OCCURS...IT WILL BE DURING THE SATURDAY AFTERNOON/EVENING TIME FRAME. UNTIL THEN...CLOUDS WILL CONTINUE TO INCREASE ACROSS THE REGION WITH ONLY A SLIGHT CHANCE OF RAIN REACHING OUR WESTERNMOST ZONES BEFORE DAYBREAK. NO UPDATE TO GRIDS OR ZONES ANTICIPATED. && .MARINE...WINDS AND SEAS WILL INCREASE OVERNIGHT AS THE LOW PRESSURE SYSTEM APPROACHES THE CENTRAL GULF COAST FROM THE SOUTHWEST. && AVIATION...DRY CONDITIONS REMAIN IN PLACE ACROSS THE AREA WITH JUST SOME HIGH CIRRUS STREAMING ACROSS THE REGION. NOT EXPECTING MUCH IN THE WAY OF FOG OVERNIGHT WITH WINDS EXPECTED TO REMAIN NON ZERO. COULD STILL SEE SOME LOW CLOUDS OVERNIGHT...ESPECIALLY AT KTLH AND KVLD...WITH IFR CONDITIONS POSSIBLE BY MORNING. AFTER CLOUDS LIFT IN THE MORNING ON SATURDAY...ONSET OF LOW CLOUDS AND RAIN IN THE AFTERNOON IS THE PROBLEM OF THE FORECAST. MODELS VERY DIFFERENT IN HANDLING APPROACHING LOW. HAVE GONE WITH HEDGE FORECAST FOR AFTERNOON...WITH PROB30 FOR MVFR CONDITIONS AND RAIN IN THE AFTERNOON. && .TAE WATCHES/WARNINGS/ADVISORIES... AL...NONE. GA...NONE. FL...NONE. GM...NONE. && $$ BARRY/CAMP
