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It is not fully understood about how exactly tornadoes form, grow and die. Tornado researchers are still trying to solve the tornado puzzle, but for every piece that seems to fit they often uncover new pieces that need to be studied.

However, current knowledge indicates that a tornado usually dissipates when cold air undercuts the updraft of the tornado's parent thunderstorm. This causes the updraft to weaken until it can no longer support a tornado.

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12y ago

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