Wind atmosphere based upon how far clouds move from one image to the next. Wind engineering describes the study of the effects of the wind on the built environment, including buildings, bridges and other man-made objects. Historically, the Beaufort wind force scale (created by Beaufort) provides an empirical description of wind speed based on observed sea conditions. Originally it was a 13-level scale, but during the 1940s, the scale was expanded to 17 levels. There are general terms that differentiate winds of different average speeds such as a breeze, a gale, a storm, tornado, or a hurricane. Within the Beaufort scale,
Wind power in the Netherlands farm in Holland, Noordoostpolder, which is installing industrial scale wind turbines such as the new Enercon onshore wind turbines, the largest onshore turbines in the world rated at 7500 kW. The turbines have a hub heigh of 135 m and each new turbine can generate as much electricity as all 50 turbines of the old wind farm combined. The wind farm demonstrates the growth in scale in wind power as between 1987 and 1991 was the largest of its kind in Europe with 50 turbines and a total capacity of 15 MW. The new Zuidwester site at the wind farm