A vortex is a rotating motion around a center. A vortex can be caused by the winds surrounding hurricanes or tornadoes. They can also form from the wake of boats and liquid and gases in stirred fluids.
Such a violent whirlwind is called a tornado.
A whirlwind that spins up from bare soil is called a dust devil. It is a small, rotating column of air that is usually harmless and forms on hot, dry days when the ground heats up rapidly. Dust devils are not as strong or destructive as tornadoes.
The whirlwind is a small meteorological phenomenon (i.e., tornado or dust devil)-rapidly developed-compared to that of a cyclone. A cyclone is a meteorological phenomenon, which horizontal length ranges from the dozens to hundred miles. Usually meteorological systems developed in southwestern Pacific Ocean or Indian Ocean are cataloged as cyclones. As for which system is more destructive, it is debatable (e.g., a cyclone's path can be predicted with acceptable accuracy while a whirlwind cannot).
A spinning column of air is known as a vortex or a whirlwind. It can vary in size and intensity, ranging from dust devils and waterspouts to tornadoes and hurricanes. The spinning motion is caused by variations in air pressure and temperature.
There are several other names for a dust devil including desert devil, sand devil, dust swirl and dancing dervish. Despite appearances, they are not tornadoes.
whirlwind tour in a sentence
There is a whirlwind coming toward my house.
whirlwind
I was in a whirlwind last night.
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