Here's why all hurricanes spin counterclockwise in the northern hemisphere


  • Hurricanes and tropical storms that hit North America or any place in the northern hemisphere spin counterclockwise.
  • All cyclones and tropical storms in the southern hemisphere spin clockwise.
  • The direction of a hurricane’s spin is caused by a phenomenon called the Coriolis effect. 
  • Visit Business Insider’s homepage for more stories. 

EDITOR’S NOTE: This video was originally published on September 10, 2017. 

Join the conversation about this story »