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A hemispherical-cup anemometer of the type invented in 1846 by John Thomas Romney Robinson. 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.
Anemometer; Ultrasonic flow meter; Mass flow meter (Coriolis force). Flow measurement methods other than positive-displacement flowmeters rely on forces produced by the flowing stream as it overcomes a known constriction, to indirectly calculate flow. Flow may be measured by measuring the velocity of fluid over a known area.
Cup-type anemometer on a remote meteorological station An occluded mesocyclone tornado (Oklahoma, May 1999) Wind direction is usually expressed in terms of the direction from which it originates. For example, a northerly wind blows from the north to the south. [8] Weather vanes pivot to indicate the direction of the wind. [9]
[[Category:Record chart templates]] to the <includeonly> section at the bottom of that page. Otherwise, add <noinclude>[[Category:Record chart templates]]</noinclude> to the end of the template code, making sure it starts on the same line as the code's last character.
Polish ski jumper Andrezj Stekala penned a heartbreaking post on social media mourning his partner of eight years, who died in November. Stekala, 29, came out as gay in the emotional post on Jan ...
A hemispherical cup anemometer of the type invented in 1846 by John Thomas Romney Robinson. John Thomas Romney Robinson (23 April 1792 – 28 February 1882), usually referred to as Thomas Romney Robinson, was an Irish astronomer. He was the longtime director of the Armagh Observatory, one of the chief astronomical observatories in the UK of its ...
The use of weather charts in a modern sense began in the middle portion of the 19th century in order to devise a theory on storm systems. [4] During the Crimean War a storm devastated the French fleet at Balaklava , and the French scientist Urbain Le Verrier was able to show that if a chronological map of the storm had been issued, the path it ...