wind shear
noun Date: 1941 a radical shift in wind speed and direction that occurs over a very short distance

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Wind shear — Wind shear, sometimes referred to as windshear or wind gradient, is a difference in wind speed and direction over a relatively short distance in the atmosphere. Wind shear can be broken down into vertical and horizontal components, with… …   Wikipedia

  • wind shear — /wind/ 1. the rate at which wind velocity changes from point to point in a given direction. 2. a condition, dangerous to aircraft, in which the speed or direction of the wind changes abruptly. Cf. microburst. [1940 45] * * * Rate of change of… …   Universalium

  • wind shear — loc.s.m.inv. ES ingl. {{wmetafile0}} TS meteor. variazione di direzione o di intensità del vento, in grado di provocare situazioni di grave pericolo durante le fasi di decollo o di atterraggio di un aeromobile {{line}} {{/line}} DATA: 1993. ETIMO …   Dizionario italiano

  • wind shear — wind′ shear [[t]wɪnd[/t]] n. 1) phs mer the rate at which wind velocity changes from point to point in a given direction 2) phs mer aer. aer. a condition, dangerous to aircraft, in which the speed or direction of the wind changes abruptly …   From formal English to slang

  • wind shear — n. a sudden change in the direction of the wind; esp., a sudden, dangerous downdraft encountered as by aircraft …   English World dictionary

  • wind shear — noun : a radical shift in wind speed and direction that occurs over a very short distance * * * /wind/ 1. the rate at which wind velocity changes from point to point in a given direction. 2. a condition, dangerous to aircraft, in which the speed… …   Useful english dictionary

  • wind shear — The rate of change in the wind velocity in space, considered as a vector. A vertical shear is a change in the wind velocity with height, whereas a horizontal shear is the change in the wind with the horizontal distance perpendicular to the flow.… …   Aviation dictionary

  • wind shear — vėjo poslinkis statusas Aprobuotas sritis hidrometeorologija apibrėžtis Vėjo greičio dviejuose erdvės taškuose skirtumo ir atstumo tarp šių taškų santykis. atitikmenys: angl. wind shear vok. Windbewegung rus. cдвиг ветра šaltinis Lietuvos… …   Lithuanian dictionary (lietuvių žodynas)

  • wind shear — noun variation in wind velocity along a direction at right angles to the wind s direction, tending to exert a turning force …   English new terms dictionary

  • wind shear — A change of wind direction and magnitude …   Military dictionary

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