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A katabatic wind (named from Ancient Greek κατάβασις 'descent') carries high-density air from a higher elevation down a slope under the force of gravity. Such winds are sometimes also called fall winds ; the spelling catabatic winds [ 1 ] is also used.
The wind then backs quickly through northerly to north-westerly as its temperature rises. This is the berg wind phase of the coastal low. The wind then changes abruptly to a strong, cold, south or south-westerly wind (called a “buster” if the change in wind speed is greater than 35 km/h).
Berg wind, a seasonal katabatic wind blowing down the Great Escarpment from the high central plateau to the coast in South Africa. Cape Doctor , often persistent and dry south-easterly wind that blows on the South African coast from spring to late summer (September to March in the southern hemisphere).
Diurnal wind system variation in the Appalachian mountain range. Mountain and valley breezes form through a process similar to sea and land breezes. During the day, the sun heats up mountain air rapidly while the valley remains relatively cooler. Convection causes it to rise, causing a valley breeze. At night, the process is reversed.
Surface temperature inversion is typical of polar environments and leads to the katabatic wind phenomenon. The vertical temperature structure of polar environments tends to be more complex than in mid-latitude or tropical climates.
Katabatic wind [ edit ] Commonwealth Bay is listed in both the Guinness Book of World Records and the Eighth Edition of the National Geographic Atlas as the windiest place on Earth, with winds regularly exceeding 240 kilometres (150 mi) per hour and an average annual wind speed of 80 kilometres (50 mi) per hour.
2. Assistance with managing an overwhelming workload. Students in special education classrooms have Individualized Education Programs, or IEPs, which are written plans that outline the types of ...
A piteraq is a cold katabatic wind which originates on the Greenlandic icecap and sweeps down the east coast. The word "piteraq" means "that which attacks you" in the local language. [1] Piteraqs are most common in the autumn and winter. Wind speeds typically reach 50 to 80 m/s (180–288 km/h; 111–178 mph).