CNN International is the most powerful storm in the world so far Saturday . It 's packing winds of more than 15 kph , equivalent to a Category 5 hurricane . Authorities in the Taiwan and Taiwan have issued storm warnings . `` It 's an incredible storm system , '' says a Usagi meteorologist .
Usagi is the most powerful storm in the world so far this year . It 's packing winds of 260 kph , equivalent to a Category 5 hurricane . Authorities in the Philippines and Taiwan have issued storm warnings . `` It 's an incredible storm system , '' says a CNN International meteorologist .