Part one of term paper
Tornado means to turn in Latin. A tornado is a violent whirling wind, characteristically accompanied by a funnel-shaped cloud extending down from a cumulonimbus cloud. Commonly known as a twister or cyclone, a tornado can be a few meters to about a kilometer wide where it touches the ground, with an average width of a few hundred meters. It ...

Part two of term paper
... that occur most frequently in tropic waters. Most spin counterclockwise in the northern hemisphere and clockwise in the southern, but occasional reverse this behavior. The exact mechanisms that cause a tornado to form are still not fully understood, but the funnels are always associated with violent motions in the atmosphere, including strong updrafts and the passage of fronts. They develop within low-pressure areas of high winds; the speed of the funnel winds themselves is often placed at more ...