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).
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
On a typical summer day, several dozen dust devils spin across the dry lake bed in Nevada's Eldorado Valley.
Only a small fraction of the photos were made from low enough altitudes to reveal such features, the scientists says, "but the storms appear not to be rare in those [photos] taken near midday and at low latitudes, where the sun is high in the sky and surface heating is intense." In all, says Thomas, the 99 dust devils so far identified, along with other "tentatives" that need further study, range in height from 0.5 to 6.0 km (most are 2 to 3 km).
According to (https://www.cnet.com/news/exomars-space-orbiter-witnesses-dust-devil-frenzy-on-mars/) E (http://www.esa.int/Our_Activities/Human_and_Robotic_Exploration/Exploration/ExoMars/Highlights/Mars_image_bounty) SA , the actual color of the "creature" is red, and the photo shows the likely result of thousands of small dust devils going around Mars' landscape.
A dust devil suddenly formed and headed towards the launch area, catching the paraglider and flinging him into the air.
A 'dust devil' pictured by the fire and rescue service on the moors at Denshaw, Saddleworth
Mr Madge said: "This video shows that dust devils can form quite easily in the UK when you have the right conditions.
Known as a dust devil, it saw a tornado-like mass of hot air gather speed before shooting dry grass metres into the air.
A spokesman told the ECHO: "Dust devils form in sunny conditions and range from half a metre wide and a few metres tall to more than 10 metres wide and more than 1000 metres tall.
But Huddersfield weatherman Paul Stevens said the vortex was in fact a dust devil and not a tornado, although the latter can occur in the UK during thunderstorms.
View a Martian dust devil in action: www.nasa.gov/mission_pages/M RO/news/mro20120404.html
Zelinsky illustrates DUST DEVIL, a fine survey for ages 5-9 offering a companion to the winning SWAMP ANGEL.