Here's what happens when two hurricanes collide

· *When two hurricanes collide, the phenomenon is called the Fujiwhara effect.*
· *If two cyclones pass within 900 miles of each other, they can start to orbit.*
· *If the two storms get to within 190 miles of each other, they'll collide or merge. This can turn two smaller storms into one giant one. *
· *In rare instances,...