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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.

Tornado - Simple English Wikipedia, the free encyclopedia

simple.wikipedia.org/wiki/Tornado

A tornado is a tube of violently spinning air that touches the ground. Wind inside the tornado spins fast, but the actual 'circle' of wind around them is huge. This makes .... Branick, Micha...

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  ...

Tornadoes - Weather Wiz Kids weather information for kids

www.weatherwizkids.com/weather-tornado.htm

A tornado is a violent rotating column of air extending from a thunderstorm to the ... When these two air masses meet, they create instability in the atmosphere.

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. ... Step 6: The tornado is fully formed now and moving in the direction of the thunderstorm ...

How Tornadoes Form and Why They're so Unpredictable

news.nationalgeographic.com/2015/05/150511-tornadoes-storms-midwest-weather-science/

May 11, 2015 ... A tornado lowers to the ground near Chickasha, Oklahoma, on May 6. ... "we still don't know why some thunderstorms create tornadoes while ...

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 ... As air rushes in to equalize the pressure, a tornado is formed. ... flowing over the top of a car create aerodynamic lift, in which there is less air ...

Earth Science for Kids: Weather - Tornadoes - Ducksters

www.ducksters.com/science/earth_science/tornadoes.php

Kids learn about tornadoes including how they form, characteristics, types including supercell and waterspout, categories, and fun facts. ... Gustnado - A small tornado formed at a weather front by gusts of wind. ... Geology Glossary and Terms

Tornado Facts For Kids

easyscienceforkids.com/all-about-tornadoes/

Nov 18, 2013 ... Easy Science for Kids Tornadoes - learn fun facts about animals, the human ... Gulf of Mexico mixes with cold air from Canada, creating unstable conditions. ... Although some people refer to the term twister as a small tornado.

www.ask.com/youtube?q=In Simple Terms How Is a Tornado Created?&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 ...