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In geography and seamanship, windward (/ ˈ w ɪ n d w ər d, ˈ w ɪ n ər d /) and leeward (/ ˈ l iː w ər d, ˈ lj uː ər d /) are directions relative to the wind. Windward is upwind from the point of reference, i.e., towards the direction from which the wind is coming; leeward is downwind from the point of reference, i.e., along the ...
A diagram showing the definitions of upwind (windward) and downwind (leeward). Date: 7 April 2007: Source: Own work: Author: Ixnayonthetimmay: Permission (Reusing ...
Standing on the leeward side of the vessel, a sailor observes being blown towards an exposed shoreline by the wind. Here again the reference point from which a shore is viewed determines whether it is the lee shore or a leeward shore. On a lake, the reference point is a body of water, so the windward shore is upwind of the center of the lake.
Lift on a sail (L), acting as an airfoil, occurs in a direction perpendicular to the incident airstream (the apparent wind velocity, V A, for the head sail) and is a result of pressure differences between the windward and leeward surfaces and depends on angle of attack, sail shape, air density, and speed of the apparent wind.
This is evident when comparing Batlow on the windward slopes to Cooma on the leeward coastal plain, both around 800 metres (2,600 ft). [4] Conversely, if the polar front or rain event arrives from the south-east (the Tasman Sea), then the coastal plain will be on the windward side and the inland slopes are on the leeward side. [5]
Orographic precipitation is known to occur on oceanic islands, such as the Hawaiian Islands and New Zealand; much of the rainfall received on such islands is on the windward side, and the leeward side tends to be quite dry, almost desert-like. This phenomenon results in substantial local gradients in the amount of average rainfall, with coastal ...
The mountain ranges on the eastern side of Madagascar provide a rain shadow for the country's western portion. The windward side of the island of Madagascar, which sees easterly on-shore winds, is wet tropical, while the western and southern sides of the island lie in the rain shadow of the central highlands and are home to thorn forests and ...
Soils with a prevailing windward aspect will typically be shallower, and often with more developed subsoil characteristics, than adjacent soils on the leeward where decelerating winds tend to deposit more air-borne particulate material. Outside of the tropics, soils with an aspect directed toward an early afternoon solar position will typically ...