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Tornado - Wikipedia


This pulls the focused mesocyclone down, in the form of a visible ... cause severe damage a considerable distance from the tornado.

Tornado Story | How Tornadoes Form - Dangerous Weather


How Do Tornadoes Form? Tornadoes are associated with large (supercell) thunderstorms that often grow to over 40,000 feet. A column of warm humid air will ...

www.ask.com/youtube?q=How Is a Tornado Formed&v=lmWh9jV_1ac
Aug 19, 2014 ... View full lesson: http://ed.ted.com/lessons/how-do-tornadoes-form-james-spann Tornadoes are the most violent storms on Earth, with wind ...

How is a tornado formed? | Reference.com


Tornadoes are formed when hot air and cold air meet in a powerful storm, and the warm air begins spiralling upward, creating a funnel cloud. This funnel cloud  ...

Tornado Facts: Causes, Formation & Seeking Shelter - Live Science


Apr 19, 2016 ... Tornadoes are violent storms that kill 80 people each year. Here are some facts about how they form and how to stay safe.

Earth Science for Kids: Weather - Tornadoes - Ducksters


Kids learn about tornadoes including how they form, characteristics, types including supercell and waterspout, categories, and fun facts.

How do tornadoes form? - eSchooltoday


Here is simple step by step description of how a tornado develops.

How do tornadoes form? - CNN Video - CNN.com


Apr 2, 2015 ... CNN meteorologist Jennifer Gray explains how tornadoes form and why they are one of the most dangerous weather phenomena on Earth.

How a Tornado Forms in 4 Steps - Popular Mechanics


May 19, 2015 ... Beneath the storm, winds of different speeds (shear) form horizontal tubes of ... As air rushes in to equalize the pressure, a tornado is formed.

Severe Weather 101: Tornado Basics


Tornado formation is believed to be dictated mainly by things which happen on the storm scale, in and around the mesocyclone. Recent theories and results ...

Clouds form when water vapor condenses in the air. This releases heat, which increases the updraft temperature and the kinetic energy of air movement. In supercell thunderstorms, updrafts are strong and may create a vortex of air that may form a tornado.
Most scientists consider this to be a simplified and incomplete explanation. The finer details of tornado formation and dissipation are still unknown.
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Tornadoes - Weather Wiz Kids weather information for kids


How do tornadoes form? Most tornadoes form from thunderstorms. You need warm, moist air from the Gulf of Mexico and cool, dry air from Canada. When these ...

How Tornadoes Form and Why They're so Unpredictable


May 11, 2015 ... A tornado lowers to the ground near Chickasha, Oklahoma, on May 6. May and June tend to have more tornadoes than any other months in ...

How Do Tornadoes Form? - Universe Today


Sep 18, 2016 ... Once a tornado has formed, it follows a predictable life cycle. ... Lastly, with the tornado's warm air supply cut, the vortex begins to weaken and ...