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A dust devil seen in Amboseli National Park, Kenya in 1993. A dust devil (also known regionally as a dirt devil) is a strong, well-formed, and relatively short-lived whirlwind. Its size ranges from small (18 in/half a metre wide and a few yards/metres tall) to large (more than 30 ft/10 m wide and more than half a mile/1 km tall).
During thunderstorm formation, winds move in a direction opposite to the storm's travel, and they move from all directions into the thunderstorm. When the storm collapses and begins to release precipitation, wind directions reverse, gusting outward from the storm and generally gusting the strongest in the direction of the storm's travel.
Large dust devils may pose a danger to equipment from Earth. [1] However, some vortices have had beneficial effects. In 2005, the Spirit rover directly encountered a dust devil which blew off the dust which had accumulated on the rover's solar panels, dramatically increasing power levels and enhancing research productivity. [13]
A whirlwind A dust devil at school ground Whirlwind, 61 km northeast of Broome, Western Australia. A whirlwind is a phenomenon in which a vortex of wind (a vertically oriented rotating column of air) forms due to instabilities and turbulence created by heating and flow gradients. Whirlwinds can vary in size and last from a couple minutes to a ...
The Santa Ana Journal newspaper which battled for years to discourage the association between the winds and the town, published a verse with a 1935 news story on wind impacts that nodded to the "devil winds" nomenclature: "The devil sends the naughty winds To blow the skirts on high; But God is just and sends the dust To fill the bad man's eye ...
In this video, a dust devil slowly sweeps through a field, while a second one dissolves after hitting the wheat crop.“One of (the dust devils) kept going, the other was doomed to fail hitting ...
Powerful winds kicked up a sudden and dangerous swirling dust storm Tuesday, causing a 10-vehicle pileup that killed a driver on US Highway 54 in the Oklahoma Panhandle. The blowing dirt and dust ...
A dust storm occurs when strong winds blow loose sand and dirt from dry surfaces in a process called saltation. As more particles are picked up and hit the ground they begin picking up other ...