dust devil


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dust devil:

see whirlwindwhirlwind,
revolving mass of air resulting from local atmospheric instability, such as that caused by intense heating of the ground by the sun on a hot summer day. Examples of whirlwinds are waterspouts, tornadoes, small whirls of dust or leaves, and the sand whirls of the
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dust devil

[′dəst ‚dev·əl]
(meteorology)
A small but vigorous whirlwind, usually of short duration, rendered visible by dust, sand, and debris picked up from the ground; diameters range from about 10 to 100 feet (3 to 30 meters), and average height is about 600 feet (180 meters).
References in periodicals archive ?
Paul said dust devils and even mini tornadoes - funnel clouds that "touch down" on the ground - might be a more common sight in and around Huddersfield given the heatwave forecast for the next few days.
Dust devils (or traces of them) appear almost everywhere on Mars, from the deep Hellas Basin to the lofty Tharsis volcanic region.
I also noticed that the dust devil was moving closer.
However, you might be blasted by any sand or dust particles carried along by the dust devil, which might scratch the visor of your space suit quickly if you were caught outside by this monster," the team said.
Field tests suggest that a dust devil lifts about 1 gram of dust per second from each square meter of ground over which it passes, says Jacquelin Koch, an atmospheric scientist at the University of Michigan in Ann Arbor.
He said a dust devil, which starts at ground level, was technically not a whirlwind, which comes down from a thunder cloud.
These types of conditions can send dust devils spinning, Vasavada added.
The Broom Vac Extra as well as the Dust Devil and Dust Devil Deluxe hand vacs feature see-through dirt containers and are available in "more attractive and appealing colors," such as candy-apple red and cloud blue.
Weather experts said the twister was probably a dust devil usually found in hot desert regions.
London, March 9 ( ANI ): NASA's Mars Reconnaissance Orbiter has captured a towering dust devil reaching half a mile in height swirling across the surface of the red planet.
While specific dollar amounts on Royal's Broom Vac advertising plan were not available, Holcomb noted that, "it will be double what we did on the Dust Devil cordless," in 1995.