▁with ▁high ▁waves . ▁The ▁storm ▁prompt ed ▁classes ▁to ▁be ▁can ce led , ▁as ▁well ▁as ▁for ▁the ▁air port ▁to ▁be ▁closed , ▁causing ▁fl ights ▁to ▁be ▁can ce led . ▁ ▁In ten se ▁Trop ical ▁Cy clone ▁Mar l ene ▁ ▁The ▁final ▁storm ▁of ▁the ▁season ▁formed ▁on ▁March   2 9 ▁from ▁the ▁I TC Z ▁to ▁the ▁east ▁of ▁Diego ▁Gar cia . ▁The ▁large ▁area ▁of ▁con ve ction ▁quickly ▁became ▁more ▁organized , ▁intens ifying ▁into ▁Trop ical ▁Storm ▁Mar l ene ▁on ▁March   3 0 . ▁On ▁that ▁date , ▁the ▁J TW C ▁class ified ▁it ▁as ▁Trop ical ▁Cy clone ▁ 1 9 S . ▁Mar l ene ▁continued ▁to ▁strength en ▁as ▁it ▁moved ▁west - s outh west ward , ▁a ided ▁by ▁a ▁sur ge ▁in ▁the ▁mon so on . ▁An ▁eye ▁formed ▁on ▁March   3 1 , ▁and ▁on ▁the ▁next ▁day ▁the ▁storm ▁became ▁a ▁tropical ▁cy clone . ▁The ▁eye ▁reached ▁a ▁diameter ▁of ▁ 2 5   km ▁( 1 5   mi ), ▁embedded ▁within ▁a ▁well - defined ▁central ▁dense ▁over cast . ▁Later ▁on ▁April   1 , ▁Mar l ene ▁became ▁an ▁inten se ▁tropical ▁cy clone , ▁just ▁three ▁days ▁after ▁its ▁gen esis . ▁That ▁day , ▁it ▁turned ▁to ▁the ▁south ▁due ▁to ▁a ▁passing ▁tr ough . ▁Less ▁favor able ▁conditions ▁caused ▁Mar l ene ▁to ▁weak en ▁on ▁April  