The Tri-State Tornado, which is still to this day the deadliest tornado in U.S. history, killed 695 people and injured 2,027 ...

They triggered lasting policy changes, and each one left a permanent scar. Let’s scroll through history and discuss the 20 worst tornadoes America has been hit by.

Don’t wait: If a tornado warning is issued, take cover right away. Night tornadoes are deadlier: Many of Ohio’s worst tornadoes struck at night. Always be weather aware, even while sleeping.

Tornadoes come in all shapes and sizes, ranging from terrifying behemoths to awe-inspiring, graceful twisters. In this video, we’re counting down the top 10 best tornadoes, based on their sheer power, ...