Lots More Information Prev Next Related HowStuffWorks Articles How Clouds WorkHow the Earth WorksHow Hurricanes WorkHow the Sun WorksHow Storm Chasers WorkHow Tornados Work5 Most Destructive StormsWhat if there were no gravity on Earth?Why would someone fly an airplane into a hurricane?What is it like in the eye of a tornado? More Great Links BBC Weather World Weather CenterNational Weather ServiceThe Weather Channel