Zonda wind
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Zonda wind is a regional term for the foehn wind that often occurs on the eastern slope of the Andes in Argentina. The Zonda is a dry wind (often carrying dust) which comes from the polar maritime air warmed by descent from the crest which is some 6,000 m (18,000 ft) above sea level. It may exceed a velocity of 25 mph (40 km/h).
It also describes a hot humid north wind in the Pampas, in advance of a depression moving eastwards, and preceding the pampero. This wind is also called the sondo.