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whirlwind




dust devil in Arizona
A dust devil in Arizona.
Image source: Wikipedia

A rotating column of air caused by a pocket of low atmospheric pressure formed – unlike a tornado – near ground level by surface heating. Whirlwinds are far less violent than tornadoes. Those passing over dry dusty ground are sometimes called "dust devils."


Related entry

   • dust devils on Mars


Related category

   • ATMOSPHERIC PHENOMENA AND STRUCTURES