"Dramatic small scale vortices..."

Sitting in our little den...
Originally uploaded by mdboxer.

The scientific term may be vortex or updraft, but we call it a...DUST DEVIL! And when you find yourself in the middle of one, you can forget about little things like...seeing or hearing.

"Localized heating and associated convection can develop into dramatic small scale vortices. These pick up available dust and debris, creating dust devils." U. of California, Berkeley GeoImages
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