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.
Basic information about tornadoes, from the NOAA National Severe Storms ...
The rear flank downdraft is the motion in the storm that causes the hook echo ...
A tornado is a violently rotating column of air which descends from a ... At the time
of this radar scan, a tornado was on the ground. ... What causes tornadoes?
www.ask.com/youtube?q=What Causes a Tornado?&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!
Tornadoes are associated with large (supercell) thunderstorms that often grow to
over 40,000 feet. A column ... This causes a horizontal rotating column of air. 2.
Tornadoes originate in thunderstorms. The May tornadoes emerged from a
network of hundreds of thunderstorms over Oklahoma and southern Kansas.
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.
May 21, 2013 ... Oklahoma is particularly vulnerable to tornadoes, lying inside the so-called '
Tornado Alley', stretching from South Dakota to Central Texas.
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.
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 ...