An animation of Himawari 8 satellite images shows Typhoon Lekima threading the needle between Japanese islands. (Note: The animation is a big file so it may take a moment to load. Source: SSEC/CIMSS)

Typhoon Lekima blasted ashore south of the mega-city of Shanghai early on Saturday local time, whipping the coast with sustained winds of around 115 miles per hour.

A million people were evacuated ahead of the storm, which has caused 13 deaths. Now a tropical storm, Lekima is churning north