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What causes tornadoes?

www.weatherquestions.com/What_causes_tornadoes.htm

A description of the special conditions that can cause a thunderstorm to become tornadic.

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.

www.ask.com/youtube?q=What Cause Tornadoes&v=ep2YY_D7wdk
Dec 12, 2013 ... This is a Science Made Easy Video. A quick and fun cartoon lesson about tornadoes. Great for teachers and students- hope you guys enjoy!

Severe Weather 101: Tornado Basics

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

The most common and practical way to determine the strength of a tornado is to look at the damage it caused. From the damage, we can estimate the wind ...

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 ...

WHAT CAUSES TORNADOES AND HURRICANES?

www.theweatherprediction.com/basic_weather_questions/tornadoes_hurricanes.html

A tornado is rapidly spinning air that develops from a thunderstorms and is ... This rising air is what causes all the rain and hail to form from the water in the air.

What causes tornadoes? | MNN - Mother Nature Network

www.mnn.com/earth-matters/translating-uncle-sam/stories/what-causes-tornadoes

Apr 8, 2014 ... The U.S. has more tornadoes than anywhere else on Earth, but their sudden twists and turns still make them mysterious and mesmerizing.

What Causes Tornadoes? | The Weather Guys

wxguys.ssec.wisc.edu/2011/05/01/what-causes-tornadoes/

May 1, 2011 ... We don't know if a particular storm will produce a tornado so the truth is we really don't know what causes a tornado. We do know the ...

What is a Tornado and What Causes a Tornado? | Earth Eclipse

www.eartheclipse.com/natural-disaster/what-is-a-tornado-and-what-causes-a-tornado.html

Tornados are associated with violent and destructive windstorms occurring over land characterized by a funnel-shaped cloud extending towards the ground.

Tornadoes - About Tornadoes | Weather Underground

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

View More Tornado Photos ... What causes tornadoes? ... the updraft and the surrounding winds may cause the updraft to begin rotating-and a tornado is born.

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

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

www.livescience.com

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.

What Causes Tornadoes? - Science 2.0

www.science20.com

Jun 6, 2010 ... Tornadoes form in violent thunderstorms when there is sufficient ... This is the same process that causes an ice skater to spin faster when she ...

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 ...