Tornadoes are funnel-shaped clouds the can cause massive distraction on the ground. The winds can swirl faster than 261 miles per hour! Interest Level: K-3 Reading Level: 4.1 ATOS Book Level: 5.5 AR Interest Level: LG AR Points: .5 AR Quiz: 135272EN Reading Counts Level: 7.6 Reading Counts Points: 2 Lexile Measure: 970 Lexile Code: NC (Non-Conforming Text) Guided Reading Level: O.