Tornado

Violently rotating column of air that is in contact with both the earth's surface and a cumulonimbus cloud in the air

Tornado (Under CC License)

A tornado is a rapidly rotating column of air that is in contact with both the surface of the Earth and a cumulonimbus cloud or, in rare cases, the base of a cumulus cloud. The windstorm is often referred to as a twister, whirlwind or cyclone, although the word cyclone is used in meteorology to name a weather system with a low-pressure area in the center around which, from an observer looking down toward the surface of the earth, winds blow counterclockwise in the Northern Hemisphere and clockwise in the Southern. Tornadoes come in many shapes and sizes, and they are often visible in the form of a condensation funnel originating from the base of a cumulonimbus cloud, with a cloud of rotating debris and dust beneath it. Most tornadoes have wind speeds less than 110 miles per hour (180 km/h), are about 250 feet (80 m) across, and travel a few miles before dissipating. The most extreme tornadoes can attain wind speeds of more than 300 miles per hour (480 km/h), are more than two miles (3 km) in diameter, and stay on the ground for dozens of miles.

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At least eight people were killed, including three children, over the weekend as a powerful storm system left a trail of damaged homes and splintered trees.
Credit: NYTimes.com - Published 6 days ago

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Tornadoes, wind gusts of up to 70 mph and pounding hail remained threats early on Monday from eastern New York and into New England, as the remnants of a deadly..
Credit: Reuters - Published 6 days ago

Tornados, wind gusts of up to 70 mph and pounding hail remained threats early Monday from eastern New York and into New England, as the remnants of a deadly..
Credit: Reuters - Published 1 week ago

Tornadoes killed at least three children in the U.S. South, authorities said on Sunday, as a massive storm system began drenching East Coast states.
Credit: Reuters - Published 1 week ago

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