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Tornado

en.wikipedia.org/wiki/Tornado

A tornado is a violently rotating column of air that is in contact with both the surface of the earth and a cumulonimbus cloud or, in rare cases, the base of a ...

Tornadoes | Ready.gov

www.ready.gov/tornadoes

Tornadoes are nature's most violent storms. Spawned from powerful thunderstorms, tornadoes can cause fatalities and devastate a neighborhood in seconds.

Severe Weather 101: Tornado Basics

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

Basic information about tornadoes, from the NOAA National Severe Storms Laboratory.

Tornadoes - Weather Wiz Kids weather information for kids

www.weatherwizkids.com/weather-tornado.htm

Tornadoes What is a tornado? A tornado is a violent rotating column of air extending from a thunderstorm to the ground. The most violent tornadoes are capable ...

The Online Tornado FAQ (by Roger Edwards, SPC)

www.spc.noaa.gov/faq/tornado/

Mar 29, 2016 ... Roger Edwards of the Storm Prediction Center presents basic Frequently Asked Questions and the answers about tornadoes.

Tornadoes | Weather Wiz Kids

www.weatherwizkids.com/?page_id=60

What is a tornado? A tornado is a violent rotating column of air extending from a thunderstorm to the ground. The most violent tornadoes are capable of ...

Tornadoes 101 - National Geographic

video.nationalgeographic.com/video/101-videos/tornadoes-101

Tornadoes, nearly three-quarters of which occur within the U.S., are unpredictable and can cause massive damage. New tools and data are helping scientists ...

Tornado Central - weather.com

weather.com/storms/tornado

4 days ago ... 7 Things You Should Never Forget When Tornadoes Strike. It's been a while since the last serious severe weather threat, so here's a refresher ...

Tornadoes 2016 - Tornado Facts, Pictures and Articles - LiveScience

www.livescience.com/topics/tornadoes/

Read the latest news and articles about tornadoes. Tornadoes are the most powerful, unpredictable and destructive weather systems on Earth.

Tornado Facts, Tornado Information, Tornado Videos, Tornado ...

environment.nationalgeographic.com/environment/natural-disasters/tornado-profile/

Get Tornado facts, photos, wallpapers, news and safety tips at National Geographic.

Answers
A tornado is a violently rotating column of air extending from a thunderstorm to the ground. Tornadoes in the US occur most frequently in spring and summer.
The strongest tornadoes have rotating winds of more than 250 mph. Damage can include roof removal or complete destruction of buildings, uprooted trees, and can be life-threatening as a result.