Climate Central: Super-Typhoon Usagi became the strongest storm on Earth on Thursday. Though it's weakened since then, the storm is still churning toward Hong Kong and could create major disruptions with a likely landfall as early as Sunday.
On Thursday, Usagi measured sustained wind speeds of 160 mph. Those winds made it the strongest storm on Earth this year, besting Utor, which recorded wind speeds of 150 mph prior to making landfall in the Philippines in mid-August according to the Capital Weather Gang. NASA...