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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.

news.nationalgeographic.com/2015/05/150511-tornadoes-storms-midwest-weather-science

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

www.ask.com/youtube?q=Why+Do+Tornadoes+Form&v=lmWh9jV_1ac&vl=en
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 ...

www.eo.ucar.edu/kids/dangerwx/tornado3.htm

A funnel cloud is created. 3. The Funnel Rotates and Touches Down. The rain and hail in the thunderstorm cause the funnel to touch down creating a tornado.

www.weatherwizkids.com/weather-tornado.htm

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 ...

www.newsweek.com/tornado-season-climate-america-warning-how-where-questions-612223

May 20, 2017 ... May and June are peak months for tornadoes in North America‚ÄĒmeteorologists explain why they happen and where to hide when they do.

eschooltoday.com/natural-disasters/tornadoes/how-do-tornadoes-form.html

Here is simple step by step description of how a tornado develops.

ed.ted.com/lessons/how-do-tornadoes-form-james-spann

Tornadoes are the most violent storms on Earth, with wind velocities that can exceed 200 miles per hour. How do these terrifying cyclones form? Meteorologist .

www.scientificamerican.com/video/how-do-tornadoes-form2013-04-23

Oct 16, 2014 ... Every year tornadoes rip through the U.S. Midwest, leaving death, injury and billions of dollars of damage in their wake. Where do these ...

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, ...