TORNADO
A tornado is a violent windstorm characterized by a twisting, funnel-shaped cloud. The word "tornado" comes from the Spanish or Portuguese verb tornar, meaning "to turn." The phenomenon appears in storms all around the world, most famously in a broad area of the American Midwest and South known as Tornado Alley. Although the United States experiences more tornadoes than any other country, when relative land area is accounted for, the United Kingdom is the most tornado-prone country in the world.
TORNADO FORMATION
Tornadoes are developed from a severe thunderstorm, and sometimes happen as a result of a hurricane. Tornadoes are produced when cold air overrides a layer of warm air, focrcing the warm air to rise rapidly.
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