The air column rotates violently, and in the most severe tornados can reach speeds in excess of 300 miles per hour or more.
Get more information on tornados at The Online Tornado FAQ's website.
Whether you live in an area that gets hurricanes or tornados or simply need to be ready for the occasional storm, an emergency kit can be an essential part of your household supplies.
Hurricanes, tornados, and earthquakes are unavoidable, and even with the best planning, they can mean complete ruination of your home and its content.
The most violent tornados are capable of tremendous destruction with wind speeds of 250 mph or more.