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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.

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 ... recognized as tornadoes, they can cause comparable, and in some cases, ...

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.

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? - Science 2.0

www.science20.com/news_articles/what_causes_tornadoes

Jun 6, 2010 ... A tornado is a rotating column of air extending from a thunderstorm to the ground. Tornadoes are capable of 250 MPH wind speeds, cutting a ...

www.ask.com/youtube?q=What Causes a Tornado?&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!

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 ...

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.

Prepare for a Tornado | Weather Underground

www.wunderground.com/prepare/tornado

What causes tornadoes? Tornadoes form under a certain set of weather conditions in which three very different types of air come together in a certain way .

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.

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

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

Severe Weather 101: Tornado Basics

www.nssl.noaa.gov

Basic information about tornadoes, from the NOAA National Severe Storms ... The rear flank downdraft is the motion in the storm that causes the hook echo ...

What causes a tornado? | Reference.com

www.reference.com

Strong warm updrafts carrying large amounts of moisture interacting with fast- moving cool, dry winds above cause tornadoes when the two air currents begin to ...