Scientists study weather patterns to try to lean what conditions must be present for a tornado to from. They have two goals. First, they would like to be able to give people enough before a tornado strikes. Second, they hope someday actually to prevent a tornado from forming. This problem is complicated since there are three different kinds of tornadoes.
A mini tornado cuts a path less than a kilometer long. It is very short-lived, and wind are rarely more than 160 kilometers an hour. Thus, damage is limited. A mini tornado may tear roof from a house, but it cannot destroy the entire building.
More destructive than the mini tornado is the average tornado. It is the most common-and can last up to twenty minutes, covering about one-and-a-half kilometers. The funnel is generally dark gray since dirt and debris are drawn upward. Average tornadoes are the easiest of the three kinds to predict.
Scientists study weather patterns to try to lean what conditions must be present for a tornado to from. They have two goals. First, they would like to be able to give people enough before a tornado strikes. Second, they hope someday actually to prevent a tornado from forming. This problem is complicated since there are three different kinds of tornadoes. A mini tornado cuts a path less than a kilometer long. It is very short-lived, and wind are rarely more than 160 kilometers an hour. Thus, damage is limited. A mini tornado may tear roof from a house, but it cannot destroy the entire building. More destructive than the mini tornado is the average tornado. It is the most common-and can last up to twenty minutes, covering about one-and-a-half kilometers. The funnel is generally dark gray since dirt and debris are drawn upward. Average tornadoes are the easiest of the three kinds to predict.
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