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From NWS discussion at 10 am for Eact Central Fl WE ARE MUCH MORE INTERESTED IN AN UPPER LOW AND TROPICAL WAVE EAST OF THE BAHAMAS...MOVING WEST. A CIRCULATION CAN EASILY BE DISCERNED IN THE INFRARED SAT IMAGERY BUT THIS IS IN THE UPPER LEVELS...AT 250 MB. THERE IS NO CLOSED SFC CIRCULATION AT THIS TIME...ONLY AN INVERTED TROUGH. NONETHELESS...THIS TROPICAL WAVE WILL TIGHTEN THE PRESSURE GRADIENT TUE INCREASING WINDS AND SEAS...CAUSING MINOR BEACH EROSION AROUND THE TIMES OF HIGH TIDE. SO WILL ISSUE HIGH SURF ADVISORY THIS AFTN TO TAKE EFFECT TONIGHT AND CONTINUE FOR AT LEAST A FEW HIGH TIDE CYCLES. NEXT HIGH TIDE IS BETWEEN 8 AND 9 PM. |