Here's what happens when two hurricanes collide

The phenomenon is called the Fujiwhara effect. Named for Japanese meteorologist Sakuhei Fujiwhara, who originally described it in 1921. If two cyclones pass within 900 miles of each other, they can start to orbit. What happens next depends on the size of each storm. Read more: http://www.businessinsider.com/sai FACEBOOK: https://www.facebook.com/techinsider TWITTER: https://twitter.com/techinsider INSTAGRAM: https://www.instagram.com/tech_insider/