) ▁Australia : ▁ 1 8 0   m ph ▁( 2 0 0 6 ) ▁South ▁Pacific : ▁ 1 8 0   m ph ▁( 2 0 1 6 ) ▁South ▁Atlantic : ▁ 1 0 5   m ph ▁( 2 0 0 4 ) ▁ ▁Wind speed ▁per ▁country ▁ ▁Australia ▁In ▁December ▁ 1 9 9 8 , ▁Cy clone ▁Th el ma ▁produced ▁wind ▁g ust s ▁of ▁ 1 0 8   m ph ▁( 1 7 4   km / h ) ▁and ▁sust ained ▁wind s ▁of ▁ 8 0   m ph ▁( 1 3 9   km / h ) ▁as ▁it ▁made ▁land fall ▁in ▁Western ▁Australia . ▁Three ▁months ▁later , ▁Cy clone ▁V ance ▁produced ▁a ▁record ▁g ust ▁of ▁ 1 6 6   m ph ▁( 2 6 7   km / h ). ▁S ust ained ▁wind s ▁of ▁ 1 1 3   m ph ▁( 1 8 2   km / h ) ▁in ▁On slow . ▁ ▁Cy clone ▁John ▁made ▁land fall ▁near ▁Port ▁Hed land , ▁Australia ▁as ▁a ▁category ▁ 4 ▁tropical ▁cy clone . ▁Port ▁Hed land ▁experienced ▁wind s ▁of ▁ 7 8   m ph ▁( 1 2 4   km / h ) ▁for ▁a ▁period ▁of ▁ 1 8 ▁hours . ▁At ▁K arr ath a , ▁the ▁wind s ▁were ▁g ust ing ▁to ▁ 7 0   m ph ▁( 1 1 3