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Tornado

en.wikipedia.org/wiki/Tornado

A tornado is a violently rotating column of air that rotates while in contact with both the surface ... The Fujita scale rates tornadoes by damage caused and has been replaced in some countries by t...

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

www.livescience.com/21498-tornado-facts.html

Apr 19, 2016 ... Tornado wind and debris cause most of the structural damage suffered, but nearly half of the injuries from such disasters occur after the tornado ...

www.ask.com/youtube?q=What Creates a Tornado&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 ...

What causes tornadoes?

www.weatherquestions.com/What_causes_tornadoes.htm

May 30, 2013 ... The intense spinning of a tornado is partly the result of the updrafts and downdrafts in the thunderstorm (caused by the unstable air) interacting ...

How Do Tornadoes Form? - Universe Today

www.universetoday.com/75695/how-do-tornadoes-form/

Sep 18, 2016 ... The formation of a tornado follows a clear set of steps. ... This change occurs at an increasing altitude and creates an invisible horizontal ...

How do tornadoes form? - eSchooltoday

eschooltoday.com/natural-disasters/tornadoes/how-do-tornadoes-form.html

Here is simple step by step description of how a tornado develops. ... but here is an explanation that many believe is the closest possible cause of tornadoes.

Tornado Story | How Tornadoes Form - Dangerous Weather

www.eo.ucar.edu/kids/dangerwx/tornado3.htm

Tornadoes are associated with large (supercell) thunderstorms that often grow to ... and hail in the thunderstorm cause the funnel to touch down creating a tornado .

How a Tornado Forms in 4 Steps - Popular Mechanics

www.popularmechanics.com/science/environment/a15633/how-a-tornado-forms-in-4-steps/

May 19, 2015 ... Warm, moist air, usually from the south, is lifted by a warm or cold front, causing an updraft. The moisture condenses into clouds and ...

What causes a tornado to form? | Reference.com

www.reference.com/science/causes-tornado-form-4c866daf4cf70df

According to the National Oceanographic and Atmospheric Administration, tornadoes form when warm air creates a rotating updraft in a powerful thunderstorm.

In simple terms, how is a tornado created? | Reference.com

www.reference.com/science/simple-terms-tornado-created-f7efb2b0f30492a9

Most tornadoes are created as a result of thunderstorms that form at the meeting point between humid air from the Gulf of Mexico and dry, cooler air from Canada  ...

Answer
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

www.weatherwizkids.com

A tornado is a violent rotating column of air extending from a thunderstorm to the ... Waterspouts can sometimes move inland, becoming tornadoes causing ...

How Tornadoes Form and Why They're so Unpredictable

news.nationalgeographic.com

May 11, 2015 ... A tornado lowers to the ground near Chickasha, Oklahoma, on May 6. ... Half of those deaths are caused by the strongest one percent of the ...

How a Tornado Forms

people.uwec.edu

The first thing that is needed to produce a tornado is a thunderstorm. ... The warm air rises from the lower atmosphere causing an updraft, which mixes with the ...