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Tornado - Wikipedia


A tornado is a violently rotating column of air that spins while in contact with both the surface of ... The Fujita scale rates tornadoes by damage caused and has been replaced in some countries by ...

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


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


A tornado is a violent rotating column of air extending from a thunderstorm to the ... Waterspouts can sometimes move inland, becoming tornadoes causing ...

How Tornadoes Form and Why They're so Unpredictable


May 11, 2015 ... Tornadoes remain deadly and relatively unpredictable, despite ... Half of those deaths are caused by the strongest one percent of the most ...

www.ask.com/youtube?q=How Are Tornadoes Caused&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!

Tornado Story | How Tornadoes Form - Dangerous Weather


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

www.ask.com/youtube?q=How Are Tornadoes Caused&v=lmWh9jV_1ac
Aug 19, 2014 ... ... Tornadoes are the most violent storms on Earth, with wind velocities that can e. .. ... What causes cavities? - Mel Rosenberg - Duration: 5:01.

Types and Causes of Tornadoes - Conserve Energy Future


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 ...



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.

How Do Tornadoes Form? - Universe Today


Sep 18, 2016 ... Once a tornado has formed, it follows a predictable life cycle. First, the mesocyclone(rotating air), along with the rear flank downdraft( RFD), ...

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What causes tornadoes?


The intense spinning of a tornado is partly the result of the updrafts and downdrafts in the thunderstorm (caused by the unstable air) interacting with the wind ...

Severe Weather 101: Tornado Basics


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 ...

What causes a tornado to form? | Reference.com


According to the National Oceanographic and Atmospheric Administration, tornadoes form when warm air creates a rotating updraft in a powerful thunderstorm.