katabatic wind

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Related to katabatic wind: Anabatic wind
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Noun1.katabatic wind - a wind caused by the downward motion of cold air
air current, current of air, wind - air moving (sometimes with considerable force) from an area of high pressure to an area of low pressure; "trees bent under the fierce winds"; "when there is no wind, row"; "the radioactivity was being swept upwards by the air current and out into the atmosphere"
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References in periodicals archive ?
The solar PV panels, sourced from German company Aleo Solar, have been built to withstand extreme weather conditions in the Antarctic, the coldest continent on earth, where katabatic wind speeds can reach nearly 300 km/h and the average temperature ranges from -10 degrees Celsius to -60 degrees Celsius depending on the time of year.
Examples of specific topics covered include aircraft electrification, airmass, anabatic wind, boundary layer, convection, Dansgaard-Oeschger event, Dobson spectrophotometer, gradient wind, katabatic wind, meteorology, noble gases, pollution control, temperature scales, waterspout, and Venturi effect.
These are known as katabatic winds, as explained here.
In summer, katabatic winds are weaker than in winter because of differences in how much heat can be lost from the source region and to local sea breezes.