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  2. Tornado - Wikipedia

    en.wikipedia.org/wiki/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. It is often referred to as a twister, whirlwind or cyclone, [ 1 ] although the word cyclone is used in meteorology to name a weather system with a low-pressure area in the ...

  3. 2011 Joplin tornado - Wikipedia

    en.wikipedia.org/wiki/2011_Joplin_tornado

    The 2011 Joplin tornado was a large and devastating multiple-vortex tornado that struck Joplin, Missouri, United States, on the evening of Sunday, May 22, 2011.Part of a larger late-May tornado outbreak, the EF5 tornado began just west of Joplin and intensified very quickly, reaching a maximum width of nearly one mile (1.6 km) during its path through the southern part of the city.

  4. TORRO scale - Wikipedia

    en.wikipedia.org/wiki/TORRO_scale

    TORRO scale. The TORRO tornado intensity scale (or T-Scale) is a scale measuring tornado intensity between T0 and T11. It was proposed by Terence Meaden of the Tornado and Storm Research Organisation (TORRO), a meteorological organisation in the United Kingdom, as an extension of the Beaufort scale.

  5. Tornado records - Wikipedia

    en.wikipedia.org/wiki/Tornado_records

    The most "extreme" tornado in recorded history was the Tri-State tornado, which spread through parts of Missouri, Illinois, and Indiana on March 18, 1925. It is considered an F5 on the Fujita Scale, holds records for longest path length at 219 miles (352 km) and longest duration at about 3⁄ hours, and held the fastest forward speed for a ...

  6. History of tornado research - Wikipedia

    en.wikipedia.org/wiki/History_of_tornado_research

    Strong mesocyclones show up as adjacent areas of yellow and blue (on other radars, bright red and bright green), and usually indicate an imminent or occurring tornado. The history of tornado research spans back centuries, with the earliest documented tornado occurring in 200 and academic studies on them starting in the 18th century. This is a ...

  7. 2011 Super Outbreak - Wikipedia

    en.wikipedia.org/wiki/2011_Super_Outbreak

    Southern, Midwestern, & Eastern United States. Part of the Tornadoes of 2011. The 2011 Super Outbreak was the largest, costliest, and one of the deadliest tornado outbreaks ever recorded, taking place in the Southern, Midwestern, and Northeastern United States from April 25 to 28, 2011, leaving catastrophic destruction in its wake. [7][8][9][10 ...

  8. Fujita scale - Wikipedia

    en.wikipedia.org/wiki/Fujita_scale

    Fujita scale. The Fujita scale (F-Scale; / fuˈdʒiːtə /), or Fujita–Pearson scale (FPP scale), is a scale for rating tornado intensity, based primarily on the damage tornadoes inflict on human-built structures and vegetation. The official Fujita scale category is determined by meteorologists and engineers after a ground or aerial damage ...

  9. Tornadoes in the United States - Wikipedia

    en.wikipedia.org/wiki/Tornadoes_in_the_United_States

    This article's lead section may be too long. Please read the length guidelines and help move details into the article's body. (August 2024) Tornadoes in the United States 1950-2019 A tornado strikes near Anadarko, Oklahoma. This was part of the 1999 Oklahoma tornado outbreak on May 3, 1999. Tornadoes are more common in the United States than in any other country or state. The United States ...