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How Do Tornadoes Form? - Dangerous Weather

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

Tornadoes are associated with large (supercell) thunderstorms that often grow to ... but one way the rotation appears to happen is when winds at two different ...

www.ask.com/youtube?q=How Does A Tornado Form&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 ...

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

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

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.

Severe Weather 101: Tornado Basics

www.nssl.noaa.gov/education/svrwx101/tornadoes/

Tornadoes are the most violent of all atmospheric storms. Where do tornadoes occur? Tornadoes occur in many parts of the world, including Australia, Europe, ...

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

www.cnn.com/videos/tv/2015/04/02/orig-how-tornadoes-form.cnn

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

The Science of Tornadoes | Weather Underground

www.wunderground.com/resources/severe/tornadoFAQ.asp

The strength of a tornado is measured by the Enhanced Fujita Scale. How do tornadoes form? The truth is that scientists don't fully understand how tornadoes ...

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 ...

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.

How does a tornado form? - Tornado Chaser

www.tornadochaser.net/tornado.html

Tornado Formation, Tornado Genesis. Important Tornado Facts Available Here!

Earth Science for Kids: Weather - Tornadoes - Ducksters

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

How do tornadoes form? When we talk about tornadoes, we are usually talking about large tornadoes that occur during thunderstorms. These types of tornadoes  ...

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

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

news.nationalgeographic.com

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

www.universetoday.com

Dec 24, 2015 ... How Do Tornadoes Form ... The warm air eventually twists into a spiral and forms the funnel ... This is where the strongest tornadoes form.