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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.

www.dosomething.org/us/facts/11-facts-about-tornadoes

Twisters strike predominantly along Tornado Alley – a flat stretch of land from ... Funnel clouds usually last less than 10 minutes before dissipating, and many ...

www.conserve-energy-future.com/various-tornado-facts.php

Fact 10: The sky turns to a characteristic greenish color when a tornado is on the rising. . For the detection of tornadoes, a Pulse-Doppler radar is used which ...

www.tornadofacts.net/tornado-facts-for-kids.php

Tornado facts for kids, students and young adults. Great resource for children and students looking to learn more about tornadoes.

www.smithsonianmag.com/science-nature/15-facts-about-tornadoes-167469821

Apr 28, 2011 ... 15 Facts About Tornadoes ... 10 ) Mobile homes aren't more likely to get hit by a tornado than any other type of building, but their flimsy ...

weather.com/storms/tornado/news/tornado-extremes-facts

Jan 27, 2017 ... We examine 12 of the most extreme tornado facts. ... 10. Deadliest Tornado. In addition to having the longest known path, the Tri-State Tornado ...

tornado-facts.com

A site for interesting tornado facts that you didn't know about with tornado pictures and information.

tornado-facts.com/interesting-tornado-facts

Each year, about a thousand tornadoes touch down in the United States, far more than any other country. Waterspouts are tornadoes that form over a body of.

www.scientificamerican.com/article/10-facts-you-want-to-know-about-tornadoes

May 25, 2011 ... As of Tuesday afternoon, the death toll had already raised to 118, ranking the event among the top 10 deadliest U.S. tornadoes of all time.

www.sciencekids.co.nz/sciencefacts/weather/tornado.html

A tornado is a rapidly spinning tube of air that touches both the ground and a cloud ... Not all tornadoes are visible but their high wind speeds and rapid rotation ...