ased ▁by ▁ 8 5 % ▁( ± 1 1 . 8 %) ▁following ▁W aka . ▁Tre es ▁across ▁V ava ' u ▁were ▁completely ▁def oli ated , ▁although ▁only ▁ 6 . 6 % ▁were ▁killed , ▁leaving ▁no ▁food ▁for ▁the ▁b ats . ▁The ▁greatest ▁decl ine ▁in ▁b ats ▁was ▁on ▁Ut ula ' ain a ▁Island ▁at ▁ 9 5 . 7 %; ▁A ' a ▁Island ▁sust ained ▁a ▁complete ▁loss ▁of ▁food - b ear ing ▁plants . ▁Six ▁months ▁after ▁the ▁storm , ▁the ▁bat ▁population ▁in ▁V ava ' u ▁was ▁still ▁only ▁ 2 0 % ▁of ▁the ▁pre - st orm ▁level . ▁ ▁Else where ▁During ▁the ▁cy clone ' s ▁form ative ▁stages , ▁it ▁brought ▁significant ▁wind s ▁and ▁sw ells ▁to ▁Tok el au , ▁resulting ▁in ▁local ized ▁flo oding ▁and ▁c rop ▁damage . ▁American ▁Sam oa ▁also ▁experienced ▁heavy ▁ra ins , ▁amount ing ▁to ▁, ▁and ▁g ust s ▁up ▁to ▁. ▁The ▁wind s ▁down ed ▁a ▁few ▁trees ▁and ▁caused ▁minor ▁c rop ▁damage , ▁with ▁losses ▁amount ing ▁to ▁US $ 1 2 0 , 0 0 0 . ▁Lar ge ▁sw ells ▁affected ▁the ▁island ▁for ▁roughly ▁a ▁week ▁as ▁the ▁storm ▁developed ▁and ▁moved ▁away ▁from ▁the ▁region . ▁Cy clone ▁W aka ▁also ▁affected ▁Wall is ▁and ▁Fut una , ▁prompt ing ▁tropical ▁cy clone ▁watch es ▁and ▁warnings ▁from ▁December ▁ 2 8 ▁to ▁