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 ...
www.ask.com/youtube?q=What Cause Tornadoes&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!
Apr 8, 2014 ... The U.S. has more tornadoes than anywhere else on Earth, but their sudden
twists and turns still make them mysterious and mesmerizing.
What causes tornadoes? Tornadoes form under a certain set of weather
conditions in which three very different types of air come together in a certain way
The truth is that scientists don't fully understand how tornadoes form. ... and the
surrounding winds may cause the updraft to begin rotating-and a tornado is born.
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.
Tornadoes are associated with large (supercell) thunderstorms that often grow to
... and hail in the thunderstorm cause the funnel to touch down creating a tornado
These thunderstorms often produce large hail, strong winds and tornadoes.
Occasionally, large outbreaks of tornadoes occur along strong frontal systems
A basic guide to what causes tornadoes. By Jack Williams, USATODAY.com. The
National Weather Service defines a tornado as "a violently rotating column of ...