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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 ..... This can last anywhere from a few minutes to more than an hour, and during that time a torna...

Tornado Story | How Tornadoes Form - Dangerous Weather

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

How Do Tornadoes Form? Tornadoes are associated with large (supercell) thunderstorms that often grow to over 40,000 ... Faster Spin Makes a Funnel Cloud.

www.ask.com/youtube?q=What Makes 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 ...

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/

Basic information about tornadoes, from the NOAA National Severe Storms ... This makes it possible to express ratings in terms of one scale to the other, ...

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.

What causes tornadoes?

www.weatherquestions.com/What_causes_tornadoes.htm

May 30, 2013 ... A description of the special conditions that can cause a thunderstorm to become tornadic.

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 - Universe Today

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

Lastly, a tornado develops and starts to wreak its destruction. Once a tornado ... The funnel touches the ground immediately after the RFD, forming a tornado.

How Tornadoes are Formed - Universe Today

www.universetoday.com/52055/how-tornadoes-are-formed/

Tornadoes are one of the most powerful and deadly weather phenomena on land . They can destroy entire ... What Causes Air Pollution? NASA-NOAA's Suomi ...

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

Tornadoes What is a tornado? A tornado is a violent rotating column of air extending from a thunderstorm to the ground. The most violent tornadoes are capable ...

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. ... "Then the updraft tends to rotate, and that makes a supercell," explains ...

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

www.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.