A tornado is a violently rotating column of air that spins while in contact with both
the surface of ... The Fujita scale rates tornadoes by damage caused and has
been replaced in some countries by ...
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.
A tornado is a violent rotating column of air extending from a thunderstorm to the
... Waterspouts can sometimes move inland, becoming tornadoes causing ...
May 11, 2015 ... Tornadoes remain deadly and relatively unpredictable, despite ... Half of those
deaths are caused by the strongest one percent of the most ...
www.ask.com/youtube?q=How Are Tornadoes Caused&v=ep2YY_D7wdk
Dec 12, 2013 ... This is a Science Made Easy Video. A quick and fun cartoon lesson about
tornadoes. Great for teachers and students- hope you guys enjoy!
How Do Tornadoes Form? Tornadoes are associated with large (supercell)
thunderstorms that often grow to ... This causes a horizontal rotating column of air
www.ask.com/youtube?q=How Are Tornadoes Caused&v=lmWh9jV_1ac
Aug 19, 2014 ... ... Tornadoes are the most violent storms on Earth, with wind velocities that can e.
.. ... What causes cavities? - Mel Rosenberg - Duration: 5:01.
Types and Causes of Tornadoes: A tornado is a strong, turbulent column of air,
moving fast and keeping in contact with the earth's surface and a vertically ...
A tornado is rapidly spinning air that develops from a thunderstorms and is ... This
rising air is what causes all the rain and hail to form from the water in the air.
Sep 18, 2016 ... Once a tornado has formed, it follows a predictable life cycle. First, the
mesocyclone(rotating air), along with the rear flank downdraft( RFD), ...