microburst wind shear

См. также в других словарях:

• 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 — 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

• Airborne wind shear detection and alert system — The Airborne wind shear detection and alert system detects and alerts the pilot both visually and aurally of a wind shear condition. In case of reactive wind shear detection system, the detection takes place when the aircraft penetrates a wind… …   Wikipedia

• microburst — The strong downdraft that spreads horizontally just above the ground to form a sharply defined gust front. An aircraft approaching this microburst or gust front may encounter a headwind followed by a strong downdraft and finally end up with a… …   Aviation dictionary

• Microburst — Illustration of a microburst. Note the downward motion of the air until it hits ground level. It then spreads outward in all directions. The wind regime in a microburst is opposite to that of a tornado …   Wikipedia

• microburst — /muy kreuh berrst /, n. Meteorol. an intense, localized downdraft of air that spreads on the ground, causing rapid changes in wind direction and speed; a localized downburst. [1980 85; MICRO + BURST] * * * ▪ meteorology  pattern of intense winds… …   Universalium

• microburst — n. a particularly violent wind shear, esp. during a thunderstorm …   Useful english dictionary

• Airport — For other uses, see Airport (disambiguation). Pulkovo Airport in Saint Petersburg, Russia (2005) …   Wikipedia

• Outflow boundary — For information on the book Gust Front by author John Ringo, see Legacy of the Aldenata. Outflow boundary on radar with radial velocity and frontal boundary drawn in. An outflow boundary, also known as a gust front, is a storm scale or mesoscale… …   Wikipedia

• Delta Air Lines Flight 191 — For other flights numbered 191, see Flight 191 (disambiguation). Delta Air Lines Flight 191 CG render of N726DA Accident summary Date …   Wikipedia