Bibliography


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http://science.howstuffworks.com/nature/climate-weather/storms/tornado.htm


"Brazil 'Fire Tornado' Caught on Film (Video)"
http://www.huffingtonpost.com/2010/08/25/brazil-fire-tornado-video_n_693803.html


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http://www.magazine.noaa.gov/stories/mag103.htm


NOAA.  "Tornadoes.... Nature's Most Violent Storm."
http://www.nssl.noaa.gov/edu/safety/tornadoguide.html


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http://www.usatoday.com/weather/tornado/wtscienc.htm


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http://www.mostinterestingfacts.com/nature/top-10-most-bizarre-weather-in-the-world.html


Williams, Jack.  "Basics: How Tornadoes Work, What They Are."  USA Today"
http://www.usatoday.com/weather/resources/basics/2003-05-05-basics-tornadoes_x.htm