Taking shelter under a highway overpass (bridge) s the most deadly mistake anyone can do during a tornado.
A tornado is a violently rotating column of air that makes contact with the Earth's surface as well as a cumulonimbus cloud or, in rare occasions, the base of a cumulus cloud.
A violently rotating column of air that makes contact with the ground, commonly at the base of a thunderstorm. Tornadoes are the most intense storms in nature. Tornadoes, which are spawned by violent thunderstorms, can kill people and demolish a neighborhood in seconds. Tornado winds can reach speeds of up to 300 miles per hour.
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