Web Results

en.wikipedia.org/wiki/Tornado

A tornado is a rapidly rotating column of air that is in contact with both the surface of the Earth ..... Landspouts also create a distinctively laminar cloud of dust when they make contact with the ground, due to their differing mechanics from true ...

news.nationalgeographic.com/2015/05/150511-tornadoes-storms-midwest-weather-science

May 11, 2015 ... A tornado lowers to the ground near Chickasha, Oklahoma, on May 6. ... "Then the updraft tends to rotate, and that makes a supercell," explains ...

www.weatherwizkids.com/weather-tornado.htm

A tornado is a violent rotating column of air extending from a thunderstorm to the ground. .... Make sure everyone knows where to go in case a tornado threatens.

www.ask.com/youtube?q=What+Makes+a+Tornado&v=lmWh9jV_1ac
Aug 19, 2014 ... Meteorologist James Spann sheds light on the lifespan of tornadoes as ... You gather a bunch of airbenders in one area and make them bend ...

www.eo.ucar.edu/kids/dangerwx/tornado3.htm

How Do Tornadoes Form? Tornadoes are associated with large (supercell) thunderstorms that often grow to over 40,000 ... Faster Spin Makes a Funnel Cloud.

www.nssl.noaa.gov/education/svrwx101/tornadoes

Basic information about tornadoes, from the NOAA National Severe Storms ... This makes it possible to express ratings in terms of one scale to the other, ...

www.wunderground.com/resources/education/tornadoFAQ.asp

A tornado is a violently rotating column of air which descends from a thunderstorm ... Since it is extremely difficult to make direct measurements of tornado winds, ...

www.livescience.com/21498-tornado-facts.html

Apr 19, 2016 ... Tornadoes are the most violent storms in nature. An average of 800 tornadoes are reported each year, resulting in 80 deaths and 1,500 injuries ...

www.scientificamerican.com/video/how-do-tornadoes-form2013-04-23

Oct 16, 2014 ... Every year tornadoes rip through the U.S. Midwest, leaving death, injury and billions of dollars of damage in their wake. Where do these ...