Tornado
A tornado is a violently 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. Most tornadoes have wind speeds less than 110 miles per hour, are about 250 feet across, and travel a few miles before dissipating. The most extreme tornadoes can attain wind speeds of more than 300 mph, are more than two miles in diameter, and stay on the ground for dozens of miles. The word tornado comes from the Spanish word tornado.
About Tornado in brief
A tornado is a violently 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. Most tornadoes have wind speeds less than 110 miles per hour, are about 250 feet across, and travel a few miles before dissipating. The most extreme tornadoes can attain wind speeds of more than 300 mph, are more than two miles in diameter, and stay on the ground for dozens of miles. Tornadoes occur most frequently in North America, Southern Africa, northwestern and southeast Europe, western and southeastern Australia, New Zealand, Bangladesh and adjacent eastern India, and southeastern South America. There are several scales for rating the strength of tornadoes. The Fujita scale rates tornadoes by damage caused and has been replaced in some countries by the updated Enhanced Fujita Scale. An F0 or EF0 tornado, the weakest category, damages trees, but not substantial structures. The strongest category, the F5 or EF5 tornado, rips buildings off their foundations and can deform large skyscrapers. A tornado is also commonly referred to as a \”twister\” or the old-fashioned colloquial term cyclone. The term ‘funnel’ is used in meteorology to name a weather system with a low-pressure area in the center around which winds blow counterclockwise in the Northern Hemisphere and clockwise in the Southern. The word tornado comes from the Spanish word tornado. Tornadoes’ opposite phenomena are the widespread, straight-line derechoes, \”straight\”).
Other tornado-like phenomena that exist in nature include the gustnado, dust devil, fire whirl, and steam devil. A condensation funnel is not necessarily visible; however, the intense pressure caused by the high wind speeds and rapid rotation, usually in the condensation cloud, usually causes water vapor in the cloud to droense into condensation. There is some disagreement over the definition of a funnel cloud. According to the Meteorologists’ Glossary of Meteorologists, a funnel is any rotating cloud pendant from a cumular cloud or a cloud of rotating debris and dust beneath it. A funnel cloud is not the same as a tornado, however, and most meteorologists include tornadoes under this definition, and thus most tornadoes are included under the term ‘Funnel’ The term tornado is used as a synonym for ‘cyclone’ in the often-aired 1939 film The Wizard of Oz, and is also used in that film, along with being the title of the 1996 tornado-related film Twister. In the film, Preacher, one of Jo’s crew members, calls the strongest kind of tornado, the F5EF5, the \”Finger of God\”, due to the power to kill people, like God casting His final judgement on them on whether they live or die from the tornado. The term is not precisely defined, for example, there is disagreement as to whether separate touchdowns of the same funnel constitute separate tornadoes, not the tornado itself.
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This page is based on the article Tornado published in Wikipedia (as of Jan. 26, 2021) and was automatically summarized using artificial intelligence.
