Weather tracker: storms batter Alaska, Caribbean and Japan

Hurricane causes blackout across Puerto Rico while typhoon forces 8m to flee homes in Japan

It has been very active across the Atlantic and Pacific Oceans in recent days with more than five storms officially named.

Hurricane Fiona in the Caribbean was the first storm of the tropical Atlantic season to strengthen into a major hurricane. Fiona made landfall on Sunday across south-western Puerto Rico, where it dumped 762mm (30in) of rain with sustained gusts of 115mph.