Berg wind
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For the 1963 Austrian film, see Bergwind (film).
Berg wind (from Afrikaans berg "mountain" + wind "wind", i.e. mountain wind) is the South African name for a foehn wind, a hot dry wind blowing from the mountainous interior to the coast. It varies from mild (about 10km/h) to gusts up to 100km/h that cause structural damage. It is strongest in the western portion of the continent.
They occur in winter in South Africa. Berg winds blow from the Kalahari High to a coastal Low-pressure area.
As the air descends it heats up at the dry adiabatic lapse rate of 9.8°C/km.[1]
References[edit]
- ^ Danielson, Levin, and Abrams, Meteorology, McGraw Hill, 2003
- "What interesting weather phenomena occur in South Africa?". South African Weather Service. Retrieved 25 September 2013.
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