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,
The Wind Off the Small Isles The Wind Off the Small Isles The Wind Off the Small Isles is a novella by Mary Stewart, first published in 1968. Unlike her other works, it is brief, at only 96 pages in hardcover. It was never published in the United States. Stewart's British publisher, Hodder & Stoughton, reissued it in 2016, for the first time in 40 years. Perdita works for children's writer Cora Gresham as secretary and personal assistant. Cora is writing about pirates on the Barbary Coast and wants to visit the Canary Islands. After hearing Perdita's description of the various islands, Cora decides on Lanzarote.