They are tropical and subtropical storms, occurring over land, they are funnel-shaped and violent, with winds of high velocity reaching up to 330kmph, which...

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The wind described above is a tornado. A tornado is a violent windstorm characterized by a twisting, funnel-shaped cloud. It is often referred to as a twister or cyclone and can be very destructive, with wind speeds that can reach up to 330kmph. Tornadoes are usually formed over land and are most common in tropical and subtropical regions.