Tag: dust devil
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What is a Dust Devil? (video)
A dust devil is a strong, well-formed, and relatively short-lived whirlwind, ranging from small (half a metre wide and a few metres tall) to large (more than 10 m wide and more than 1 km tall). The primary vertical motion is upward. Dust devils are usually harmless, but can on rare occasions grow large enough to pose a threat…