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LLWAS I used a center field anemometer along with five pole mounted anemometers sited around the periphery of a single runway. It was installed at 110 FAA towered airports between 1977 and 1987. Windshear was detected using a simple vector difference algorithm, triggering an alarm when the magnitude of the difference vector between the center ...
In meteorology, an anemometer (from Ancient Greek άνεμος (ánemos) 'wind' and μέτρον (métron) 'measure') is a device that measures wind speed and direction. It is a common instrument used in weather stations. The earliest known description of an anemometer was by Italian architect and author Leon Battista Alberti (1404–1472) in 1450.
Anemometer for measuring wind speed; Pyranometer for measuring solar radiation; Rain gauge for measuring liquid precipitation over a set period of time; Wind sock for measuring general wind speed and wind direction; Wind vane (also called a weather vane or a weathercock) for showing the wind direction
Pitot tube static anemometer is on the right. In industry, the flow velocities being measured are often those flowing in ducts and tubing where measurements by an anemometer would be difficult to obtain. In these kinds of measurements, the most practical instrument to use is the pitot tube.
An anemoscope c1920s built by the American instrument maker Julien P. Friez & Sons is in the collection of Harvard university was designed to be used as part of an automatic wind recorder alongside a wind speed measuring anemometer. [3] Today anemoscopes are used in meteorological stations, and in transport especially boats.
An ASOS data collection platform. Airport weather stations are automated sensor suites which are designed to serve aviation and meteorological operations, weather forecasting and climatology.