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- DictionaryWind speed
noun
- 1. the rate at which air is moving in a particular area: "wind speeds were estimated at between 200 and 210 mph"
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In meteorology, wind speed, or wind flow speed, is a fundamental atmospheric quantity caused by air moving from high to low pressure, usually due to changes in temperature.
Wind speed or wind velocity is one of three major characteristics of air movement on par with wind direction and wind gusts. In this article, we will understand what wind speed is and how it is measured.
Wind is the movement of air caused by the uneven heating of the Earth by the sun. It does not have much substance—you cannot see it or hold it—but you can feel its force. It can dry your clothes in summer and chill you to the bone in winter. It is strong enough to carry sailing ships across the ocean and rip huge trees from the ground.
Nov 4, 2019 · Wind speed is measured using an anemometer and is given in miles per hour or knots. Its direction is determined from a weather vane or windsock and is expressed in terms of the direction from which it blows.
May 30, 2023 · Wind Speed. Ratio of the distance covered by the air to the time taken to cover it. The instantaneous speed corresponds to the case of an infinitely small time interval. The mean speed corresponds to the case of a finite time interval. It is one component of wind velocity, the other being wind direction).
Winds are commonly classified by their spatial scale, their speed and direction, the forces that cause them, the regions in which they occur, and their effect. Winds have various defining aspects such as velocity ( wind speed ), the density of the gases involved, and energy content or wind energy.
Wind speed is measured using an anemometer in an open space, as trees, hedges and buildings can affect both speed and direction. It’s worth noting that the wind speeds you hear quoted in weather forecasts are always measured at 10 metres above the ground.
Jan 22, 2018 · Regardless of where you are or what season it is, the wind holds a lot of information. Its direction, temperature and speed all offer valuable clues about the state of the atmosphere.
How we measure wind. The instruments used to measure wind are known as anemometers and can record wind speed, direction and the strength of gusts. The normal unit of wind speed is the knot (...
Jun 24, 2024 · A tube anemometer uses air pressure to determine the wind pressure, or speed. A tube anemometer measures the air pressure inside a glass tube that is closed at one end. By comparing the air pressure inside the tube to the air pressure outside the tube, wind speed can be calculated.
