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Global distribution of wind speed at 10m above ground averaged over the years 1981–2010 from the CHELSA-BIOCLIM+ data set [1] 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 is now commonly measured with an ...
Direction shown by smoke drift but not by wind vanes 2 Light breeze 4–6 knots 4–7 mph 6–11 km/h 1.6–3.3 m/s 1–2 ft 0.3–0.6 m Small wavelets still short but more pronounced; crests have a glassy appearance but do not break Wind felt on face; leaves rustle; wind vane moved by wind 3 Gentle breeze 7–10 knots 8–12 mph 12–19 km/h
A short burst of high speed wind is termed a wind gust; one technical definition of a wind gust is: the maxima that exceed the lowest wind speed measured during a ten-minute time interval by 10 knots (19 km/h; 12 mph) for periods of seconds. A squall is an increase of the wind speed above a certain threshold, which lasts for a minute or more.
With winter weather settling over Michigan, here's what you need to know about exposed skin with the temperature and wind chill drop. High winds today could bring dangerous wind chills. What you ...
Wind speeds are relative, however: The mountain still holds the record for the highest surface wind speed ever measured in the United States: 231 mph. Still referred to as the Big Wind , that ...
Hurricane Milton became a Category 3 storm early Monday and expected to strengthen. Here is the wind forecast for Palm Beach County.
Although the scale shows wind speeds in continuous speed ranges, the US National Hurricane Center and the Central Pacific Hurricane Center assign tropical cyclone intensities in 5-knot (kn) increments (e.g., 100, 105, 110, 115 kn, etc.) because of the inherent uncertainty in estimating the strength of tropical cyclones. Wind speeds in knots are ...
A wind advisory, issued at 9:37 a.m. Monday, is in effect until 2 a.m. Tuesday, according to the National Weather Service in Raleigh. The advisory covers the Sandhills area, which includes ...