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How do tornadoes form?

Few weather phenomena capture the imagination-or instill fear-like tornadoes. These swirling columns of wind can level entire communities in minutes, yet much about their formation remains shrouded ...
Nicholas Snider talks with an expert about how they form and what impacts the strength and intensity of tornadoes.
(COLORADO) — This summer has brought its fair share of extreme weather, with tornadoes and wildfire conditions making headlines. But a recent video from Portugal shows a rare and striking ...
Dirt lifted into tornado-like column in Australia field. — -- An amazing "dustnado" was captured on tape today in Australia. Video taken from a vehicle and posted online shows the swirl rising ...