April 2, 2010, Newsletter Issue #130: What is a dust devil?

Tip of the Week

No, it's not a character in a Bugs Bunny cartoon. A dust devil is an atmospheric whirlwind that looks a lot like a small tornado. You've probably seen many dust devils as they're fairly common in residential and business areas.
Dust devils result from superheated air located near hot ground rising into colder air above. Dust devils mostly just swirl across fields or parking lots, kicking up leaves and causing a commotion. For the most part, dust devils are harmless.

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