http://www.discovery.com/video-topics/other/extreme-weather.htmhttp://www.youtube.com/watch?v=9BMO0eg87rg
http://www.youtube.com/watch?v=eRgdI-0iN0g
http://www.youtube.com/watch?v=Kg-6whkbZXs
http://www.youtube.com/watch?v=eRgdI-0iN0g
http://www.youtube.com/watch?v=Kg-6whkbZXs