Why Do Tornadoes Usually Spin Counterclockwise?

Why Do Tornadoes Usually Spin Counterclockwise? Usually, tornadoes in the U.S. rotate counterclockwise. Coriolis force, imparted due to the Earth’s rotation, causes air around low centers to circulate counterclockwise in the northern hemisphere. … Thus, tornadoes, being an outgrowth of these rotating updrafts, tend to spin counterclockwise. Do tornadoes only spin one way? A tornado