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Wind speed on the Beaufort scale is based on the empirical relationship: [6] v = 0.836 B 3/2 m/s; v = 1.625 B 3/2 knots (=) where v is the equivalent wind speed at 10 metres above the sea surface and B is Beaufort scale number.
Description: Observed wind speed: 23–27 knots / Rounded to the nearest 5: 25 kts Source: US National Weather Service – Southern Region Headquarters Public domain Public domain false false
Description: Observed wind speed: 3-7 knots / Rounded to the nearest 5: 5 kts; ... Template:Windspeed vanes; Metadata. This file contains additional information ...
Information from its description page there is ... Summary. Description: English: Observed wind speed: 72–77 knots / Rounded to the nearest ... Template:Windspeed ...
Description: Observed wind speed: 18–22 knots / Rounded to the nearest 5: 20 kts Source: US National Weather Service – Southern Region Headquarters Public domain Public domain false false
The station model uses a wind barb to show both wind direction and speed. The wind barb shows the speed using "flags" on the end. Each half of a flag depicts 5 kn (9.3 km/h; 5.8 mph) Each full flag depicts 10 kn (19 km/h; 12 mph) Each pennant (filled triangle) depicts 50 kn (93 km/h; 58 mph) [4]
An anemometer is commonly used to measure wind speed. 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 ...
A surface weather analysis for the United States on October 21, 2006. By that time, Tropical Storm Paul was active (Paul later became a hurricane). Surface weather analysis is a special type of weather map that provides a view of weather elements over a geographical area at a specified time based on information from ground-based weather stations.