How does a tornado form?
The vortex and the updraft move as a coupled system, drawing warm, unstable air from all around the region and moving it upward in expanding spirals. The tornado as seen from the ground is located at the very tip of the cone.
Encyclopædia Britannica, Inc.
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© American Chemical Society (A Britannica Publishing Partner)The chemistry of mummies, ghosts, and vampires.
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Encyclopædia Britannica, Inc.NASA's new telescope can capture images 100 times larger than Hubble.Media Editor: Elijah Tan
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Encyclopædia Britannica, Inc.There are fungus among us. How well do we understand them?
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Encyclopædia Britannica, Inc.A thunderstorm typically forms when there is a rapid updraft of warm air in a cumulonimbus cloud.
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Encyclopædia Britannica, Inc.Protecting against natural disasters requires a multipronged approach.
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Encyclopædia Britannica, Inc.The destructive power of tornadoes is shown in a sequence of twisters moving across rural and urban landscapes.
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Created and produced by QA International. © QA International, 2010. All rights reserved. www.qa-international.comTornadoes possess enormous destructive power.
News •
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• Oct. 27, 2026, 2:39 PM ET (The Weather Channel)
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• Oct. 22, 2026, 4:46 PM ET (AP)
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