[Ref Pilot’s Handbook of Aeronautical Knowledge, FAA-H-8083-25B Page 12-23]

Tornadoes is literally the most violent sort of thunderstorm !

Studies show that wind in such a vortex can exceed 200 knots with pressure inside the vortex quite low.

The three (3) common type of tornadoes are:

  1. funnel cloud” – if the cloud does not reach the surface (in the mid-air)
  2. tornado” – if it touches a land surface
  3. waterspout” – if it touches water

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