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Tornado Facts: Causes, Formation & Seeking Shelter - LiveScience

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

Apr 19, 2016 ... Tornadoes are violent storms that kill 80 people each year. Here are some ... Tornado Facts: Causes, Formation & Safety. by Nola Taylor .... Enormous Tornado-Blocking Walls: Could Wild Idea Really Work? Childress High ...

Tornadoes - Weather Wiz Kids weather information for kids

www.weatherwizkids.com/weather-tornado.htm

It is not fully understood about how exactly tornadoes form, grow and die. ... as widely recognized as tornadoes, they can cause comparable, and in some cases,  ...

Types and Causes of Tornadoes - Conserve Energy Future

www.conserve-energy-future.com/types-and-causes-of-tornadoes.php

Types and Causes of Tornadoes: A tornado is a strong, turbulent column of air, moving fast and keeping in contact with the earth's surface and a vertically ...

Tornado Story | How Tornadoes Form - Dangerous Weather

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

How Do Tornadoes Form? Tornadoes are associated with large (supercell) thunderstorms that often grow to ... This causes a horizontal rotating column of air . 2.

Causes of Tornadoes and How They Form - Weather - About.com

weather.about.com/od/tornadoe1/ss/tornadoes.htm

Learn what causes a tornado or twister, and the role of severe thunderstorms in ... is actually no real definition of a tornado that has been universally accepted ...

www.ask.com/youtube?q=Exactly Causes a Tornado&v=lmWh9jV_1ac
Aug 19, 2014 ... Meteorologist James Spann sheds light on the lifespan of tornadoes as .... on how tornados work so if I could share this it would really help?.

Severe Weather 101: Tornado FAQ

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

Wind speeds that high can cause automobiles to become airborne, ... We're not really sure what the highest wind speed might be inside a tornado, since strong ...

How Fire Tornadoes Form (PHOTOS) | The Weather Channel

weather.com/storms/tornado/news/fire-tornado-firewhirl-photos-20130814

May 15, 2014 ... Wildfires can spawn tornadoes. Here's how they happen.

“Firenados”: What Causes A Fire Tornado? (Photo Gallery)

thehigherlearning.com/2014/07/31/firenados-what-causes-a-fire-tornado-photo-gallery/

Jul 31, 2014 ... And what can cause one? ... “…causing it to build into a spinning flame. ... A fire tornado consists of a core—the part that is actually on fire—and ...

Tornadoes and Thunderstorms - How Tornadoes Work ... - Science

science.howstuffworks.com/nature/climate-weather/storms/tornado2.htm

The same thing can happen to a tornado's vortex, causing it to collapse and reform ... Scientists still debate exactly how these deadly storms die, but one of the ...

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.
More Info

What causes tornadoes?

www.weatherquestions.com

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

The Science of Tornadoes | Weather Underground

www.wunderground.com

A tornado is a violently rotating column of air which descends from a ... and the surrounding winds may cause the updraft to begin rotating-and a tornado is born.

What Are Tornadoes? - Definition, Causes & The Enhanced Fujita ...

study.com

But a tornado doesn't begin to form until the air starts to spin. Scientists are not exactly sure how this happens, but it seems that one way this is possible is when  ...