▁an ▁e y ew all ▁replacement ▁cycle ▁caused ▁Gast on ▁to ▁weak en ▁on ▁August   2 9 , ▁although ▁the ▁cy clone ▁unexpected ly ▁re - int ens ified ▁to ▁ 1 2 0   m ph ▁( 1 9 5   km / h ) ▁for ▁a ▁second ▁time ▁around ▁ 0 0 : 0 0   UTC ▁on ▁August   3 1 . ▁Later ▁that ▁day , ▁it ▁began ▁encounter ing ▁increasing ly ▁cool ▁waters ▁and ▁a ▁higher ▁she ar , ▁leading ▁the ▁storm ▁to ▁fall ▁below ▁major ▁h urr icane ▁status ▁by ▁ 1 8 : 0 0   UTC ▁on ▁August   3 1 , ▁and ▁below ▁h urr icane ▁intensity ▁by ▁ 1 2 : 0 0   UTC ▁on ▁September   2 . ▁Cont inu ous ▁unf avor able ▁conditions ▁caused ▁deep ▁con ve ction ▁to ▁diss ip ate , ▁and ▁Gast on ▁transition ed ▁into ▁an ▁extr at rop ical ▁cy clone ▁as ▁its ▁center ▁gra zed ▁Fl ores ▁Island ▁at ▁ 1 8 : 0 0   UTC . ▁Gast on ' s ▁rem nant ▁circul ation ▁diss ip ated ▁ 2 4   h ours ▁later ▁north west ▁of ▁the ▁Az ores . ▁ ▁Trop ical ▁De pression ▁E ight ▁ ▁A ▁broad ▁low ▁pressure ▁developed ▁on ▁August   2 6 ▁as ▁a ▁front al ▁boundary ▁st alled ▁near ▁B erm uda ▁and ▁weak ened . ▁Early ▁on ▁August ▁ 2 7 , ▁the ▁low ▁became ▁well - defined , ▁but ▁lack ed