can winds make?
Where does the word 'hurricane' comes from?
Are
hurricanes dangerous for people? Why?What speed does hurricane have?
Where do tornadoes occur more often?
Answer the questions
http://video.nationalgeographic.com/video/player/environment/environment-natural-disasters/tornadoes/tornadoes-101.html
http://video.nationalgeographic.com/video/player/environment/environment-natural-disasters/tornadoes/tornadoes-101.html