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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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 ...
Here is simple step by step description of how a tornado develops.
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
Oct 14, 2010 ... How Do Tornadoes Form ... The warm air eventually twists into a spiral and forms
the funnel ... This is where the strongest tornadoes form.
May 11, 2015 ... How Tornadoes Form and Why They're so Unpredictable. A look at storm science
... Here's what scientists do know: A tornado, or twister, is a ...
On average, about 800 tornadoes occur in the United States each year. ...
challenges of studying tornadoes and shows how computer simulations are
Tornadoes are the most violent of all atmospheric storms. Where do tornadoes
occur? Tornadoes occur in many parts of the world, including Australia, Europe, ...
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.
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 ...