föhnn.
/fʊn/ 1. A warm dry south wind which blows down the valleys on the north side of the Alps.
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the world > the earth > weather and the atmosphere > weather > wind > [noun] > hot or warm wind > hot or warm and dry > katabatic > specifically in Alps
föhn1861
1861 A. Catlow Sketching Rambles I. ii. 57 The most violent tempests are raised by the Föhn, or south wind.
1865 D. Page Handbk. Geol. Terms (ed. 2) 205 Föhn, the name given in Switzerland to the hot southerly winds of summer (the sirocco).
1883 ‘Ouida’ Wanda I. 77 The fohn was blowing fiercely all the time.
1883 Guardian 14 Mar. 392 Builders..had to guard against the föhn and other Swiss winds.
2. Also foehn. A warm dry katabatic wind developing on the lee side of a mountain range in response to air moving across the range. Also föhn wind.
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the world > the earth > weather and the atmosphere > weather > wind > [noun] > hot or warm wind > hot or warm and dry > katabatic
föhn1889
1889 W. Ferrel Pop. Treat. Winds vi. 333 Temporary foehns are produced whenever there is a cyclone so situated as to draw a current of air over a high mountain range.
1910 Encycl. Brit. VI. 523/2 Greenland föhn winds..blow down warm and dry, raising the temperature even 30° or 40° above the winter mean, and melting the snow.
1951 F. Defant in T. F. Malone Compend. Meteorol. 667/1 In North America the foehn, known as the chinook, has a climatic influence on a very wide belt east of the Rocky Mountains.
1957 J. K. Charlesworth Quaternary Era II. xxxi. 678 Foehn winds, varying in strength, duration and range as in modern Greenland..probably blew throughout the year.
This entry has not yet been fully updated (first published 1897; most recently modified version published online December 2020).
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