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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 ... However, the vast majority of tornadoes occur in the Tornado Alley region of the United States...

How Do 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 feet. A column of warm humid air will ...

www.ask.com/youtube?q=Why Do Tornadoes Form&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 form when different temperatures and humidity meet. ... Do not touched downed power lines or anything in contact with such lines.

Where Do Tornadoes Form? | Weather Underground

www.wunderground.com/resources/severe/tornado_regions.asp

The vast majority of tornadoes occur east of the Rocky Mountains in the deep South and a region we call "Tornado Alley," which is located in the Great Plains.

Severe Weather 101: Tornado Basics

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

Tornadoes are the most violent of all atmospheric storms. Where do tornadoes occur? Tornadoes occur in many parts of the world, including Australia, Europe, ...

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

www.cnn.com/videos/tv/2015/04/02/orig-how-tornadoes-form.cnn

Apr 2, 2015 ... CNN meteorologist Jennifer Gray explains how tornadoes form and why they are one of the most dangerous weather phenomena on Earth.

Why do tornadoes happen? | Reference.com

www.reference.com/science/tornadoes-happen-917e81857926f4ec

They do know that in many cases, horizontal spinning movements in the air can be ... The reason that so many tornadoes occur in this area is that the Gulf of ...

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.

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 ...

Answer
The details of how and why tornadoes form and dissipate remain poorly understood. Most tornadoes last from a few seconds to a few minutes; only rarely do they last more than 10 minutes.
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How Tornadoes Form and Why They're so Unpredictable

news.nationalgeographic.com

May 11, 2015 ... Tornadoes remain deadly and relatively unpredictable, despite recent advancements in weather science. Here's what scientists do know:.

Tornadoes - Weather Wiz Kids weather information for kids

www.weatherwizkids.com

How do tornadoes form? Most tornadoes form from thunderstorms. You need warm, moist air from the Gulf of Mexico and cool, dry air from Canada. When these ...

The Science of Tornadoes | Weather Underground

www.wunderground.com

The strength of a tornado is measured by the Enhanced Fujita Scale. How do tornadoes form? The truth is that scientists don't fully understand how tornadoes ...