Facts that I found about tornadoes

Tornadoes winds maybe stong ,almost 300 miles per hour. Some tornadoes are as slow as 45 miles per hour . The highest speed tornadoes can go up to 379 miles per hour. It looks like funnel. I found this information at Worlds Weather book and a website . Twisters and cyclone is a nickname of tornadoes.my Conclusion is that tornadoes are distructive.