Translation: from english

Prevailing visibility

Look at other dictionaries:

  • Prevailing visibility — in aviation is a measurement of the greatest distance visible throughout at least half of the horizon, not necessarily continuously. To take the prevailing visibility, controllers reference a number of visual reference points: usually buildings,… …   Wikipedia

  • prevailing visibility — The horizontal distance at which targets of known distance are visible over half the horizon. It is determined by viewing dark objects against the horizon sky by day and moderate intensity unfocused lights by night. The half of the horizon need… …   Aviation dictionary

  • Prevailing — is synonymous with dominant: *Prevailing winds *Prevailing visibility *Prevailing wage …   Wikipedia

  • visibility — [viz΄ə bil′ə tē] n. pl. visibilities [LL visibilitas] 1. the fact or condition of being visible 2. a) the relative possibility of being seen under the conditions of distance, light, and atmosphere prevailing at a particular time [the poor… …   English World dictionary

  • runway-visibility value — The visibility determined for a particular runway by a transmissometer. A transmissometer provides a continuous indication of the visibility (reported in miles or fractions of miles) for the runway. RVV is used in lieu of prevailing visibility in …   Aviation dictionary

  • ground visibility — Prevailing horizontal visibility near the Earth …   Military dictionary

  • ground visibility — The visibility at an aerodrome, as reported by an accredited observer (ICAO). The visibility is contained in a weather observation reported by an ATC (air traffic control) unit, an FSS (flight service station), a community aerodrome radio station …   Aviation dictionary

  • Automated airport weather station — Automated airport weather stations are automated sensor suites which are designed to serve aviation and meteorological observing needs for safe and efficient aviation operations and weather forecasting. Automated airport weather stations have… …   Wikipedia

  • lighthouse — /luyt hows /, n., pl. lighthouses / how ziz/. 1. a tower or other structure displaying or flashing a very bright light for the guidance of ships in avoiding dangerous areas, in following certain routes, etc. 2. either of two cylindrical metal… …   Universalium

  • METAR — For the Israeli town, see Meitar. METAR is a format for reporting weather information. A METAR weather report is predominantly used by pilots in fulfillment of a part of a pre flight weather briefing, and by meteorologists, who use aggregated… …   Wikipedia

  • North American blizzard of 1996 — Satellite image of the storm system on January 7, 1996 Storm type: Winter storm Formed: January 6, 1996 Dissipated …   Wikipedia

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