Some tornadoes are clearly visible, while rain or nearby low-hanging clouds obscure others.
Every state is at some risk from this hazard. Damage paths can be in excess of one mile wide and 50 miles long. A tornado appears as a rotating, funnel-shaped cloud that extends from a thunderstorm to the ground with whirling winds that can reach 300 miles per hour.
Spawned from powerful thunderstorms, tornadoes can cause fatalities and devastate a neighborhood in seconds. Tornadoes are nature's most violent storms.
