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  2. Tornado - Wikipedia

    en.wikipedia.org/wiki/Tornado

    Tornadoes vary in intensity regardless of shape, size, and location, though strong tornadoes are typically larger than weak tornadoes. The association with track length and duration also varies, although longer track tornadoes tend to be stronger. [73]

  3. Tornado intensity - Wikipedia

    en.wikipedia.org/wiki/Tornado_intensity

    The rate of occurrence drops off quickly with increasing strength—violent tornadoes (F4/T8 or stronger), account for less than one percent of all tornado reports. [6] Worldwide, strong tornadoes account for an even smaller percentage of total tornadoes. Violent tornadoes are extremely rare outside of the United States and Canada.

  4. Supercell - Wikipedia

    en.wikipedia.org/wiki/Supercell

    The tornado was rated EF3, but many claim it was a tornado EF4. [citation needed] In November 2009, four tornadoes, rated F1 and F2 reached the town of Posadas (capital of the province of Misiones, Argentina), generating serious damage in the city. Three of the tornadoes affected the airport area, causing damage in Barrio Belén.

  5. Tornadoes form during severe weather. What conditions help ...

    www.aol.com/tornadoes-form-during-severe-weather...

    This unstable air mass creates strong updrafts, while wind shears will further increase the strength of the updraft, and promotes the rotation of tornadoes. These start out horizontal, then drop ...

  6. Here’s why the US has more tornadoes than any other country

    www.aol.com/why-us-more-tornadoes-other...

    The time of day and the topography where the tornado occurs makes a big difference in the fatality rate. ... around seven to 10 moderate to strong tornado events are reported in New Zealand every ...

  7. Reconstructing the storm: How meteorologists conduct tornado ...

    www.aol.com/weather/reconstructing-storm...

    This makes tornadoes one of the most violent weather events on the planet. Before & After Satellite photos of Rolling Fork, MS tornado. Before & after satellite photos of Rolling Fork, Mississippi.

  8. TORRO scale - Wikipedia

    en.wikipedia.org/wiki/TORRO_scale

    Most UK tornadoes are T6 or below with the strongest known UK tornado estimated as a T8 (the London tornado of 1091). For comparison, the strongest detected winds in a United States tornado (during the 1999 Oklahoma tornado outbreak) would be T11 using the following formulas: v = 2.365 (T+4) 3/2 m/s v = 8.511 (T+4) 3/2 km/h v = 5.289 (T+4) 3/2 mph

  9. Severe weather: What are the differences between a tornado ...

    www.aol.com/severe-weather-differences-between...

    The National Weather Service in Wilmington issued a tornado watch late Tuesday for parts of western Ohio as a strong storm system began to enter the region. What is a tornado watch?