Bibliography
- http://www.weatherwizkids.com/weather-tornado.htm
- http://edition.cnn.com/2012/01/27/us/extreme-weather-prepare-for-worst/index.html
- https://www.google.com.au/search?
- hl=en&site=imghp&tbm=isch&source=hp&biw=1366&bih=624&q=affects+of+a+tornado&oq=affects+of+a+tornado&gs_l=img.3...1255.5484.0.5707.20.15.0.5.1.1.215.2110.7j4j4.15.0....0...1ac.1.27.img..9.11.1259.BmEI4dbgRpo#facrc=_&imgdii=_&imgrc=Da7Ch1DfOVCnpM%3A%3Bgs9i7-pIs5q48M%3Bhttp%253A%252F%252Fwww.oup.com%252Fus%252Fimages%252Fhazards%252Ft12.jpg%3Bhttp%253A%252F%252Fwww.oup.com%252Fus%252Fcompanion.websites%252Fnaturalhazards%252Fmeteor%252Ftornadoes%252Fmitigation%252F%3B350%3B267
- http://research.fit.edu/whirl/
- http://www.free-islamic-course.org/NaturalDisasterorDivinePunishment.html
- http://www.wikihow.com/Survive-a-Tornado
- http://www.examiner.com/article/atmospheric-archive-jarrell-tornado-the-last-killer-f5-to-hit-texas
- http://austin.ynn.com/content/news/292145/jarrell-still-recovering-16-years-after-devastating-tornado
- http://cooltext.com/