This is shown by the colour bands on each spoke.Ī wind rose diagram uses a polar coordinate system, whereby data is plotted a certain distance away from the origin at an angle relative to north. How often the wind blows within each pre-defined wind speed range (bins).How often the wind blows from each direction. ![]() Click here to find an appropriate weather station. ![]() Data is taken from a weather station, which should be a near as possible to your project /site. Meteorologist use wind rose diagrams to summarise the distribution of wind speed and direction over a defined observation period. ![]() The diagrams normally comprises of 8, 16 or 32 radiating spokes, which represent wind directions in terms of the cardinal wind directions (North East South West) and their intermediate directions. A wind rose diagram is a tool which graphically displays wind speed and wind direction at a particular location over a period of time.
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