quarta-feira, 11 de novembro de 2009

Tornadoes


A tornado is a violent whirling wind accompanied by a funnel and a cumulonimbus cloud. Known as twister, a tornado can reach several kilometres height and also several miles per hour. Tornadoes are the most violent type of storm.
Tornadoes are frequently happen in regions like Texas and the Southern of the USA and they occur frequently during the spring

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