Formation ... the RFD also reaches the ground, creating a gust front that can
cause severe damage a good distance from the tornado.
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
www.ask.com/youtube?q=How Is a Tornado Formed&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 ...
Apr 19, 2016 ... Tornadoes are violent storms that kill 80 people each year. Here are some facts
about how they form and how to stay safe.
Apr 2, 2015 ... CNN meteorologist Jennifer Gray explains how tornadoes form and why they are
one of the most dangerous weather phenomena on Earth.
Aug 24, 2010 ... Tornadoes are usually the extreme result of a very large thunderstorm called a
supercell. During the storm cold air and warm air combine.
The truth is that scientists don't fully understand how tornadoes form. A parent
supercell thunderstorm is needed. Beyond that, each storm is different.
May 19, 2015 ... Beneath the storm, winds of different speeds (shear) form horizontal tubes of ...
As air rushes in to equalize the pressure, a tornado is formed.
Apr 29, 2016 ... The severe thunderstorms which produce tornadoes form where cold dry polar
air meets warm moist tropical air. This is most common in a ...
Tornado formation is believed to be dictated mainly by things which happen on
the storm scale, in and around the mesocyclone. Recent theories and results ...