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The westerlies (blue) and trade winds (yellow and brown) The general atmospheric circulation. Trade winds (red), westerlies (white) and the South Pacific anticyclone (blue) [1] The westerlies, anti-trades, [2] or prevailing westerlies, are prevailing winds from the west toward the east in the middle latitudes between 30 and 60 degrees latitude.
Prevailing winds are strongly influenced by Earth's overall atmospheric circulation, in addition to smaller-scale and shorter-lived weather phenomena. In meteorology, prevailing wind in a region of the Earth's surface is a surface wind that blows predominantly from a particular direction. The dominant winds are the trends in direction of wind ...
The westerlies (blue arrows) and trade winds (yellow and brown arrows) The trade winds or easterlies are permanent east-to-west prevailing winds that flow in the Earth's equatorial region. The trade winds blow mainly from the northeast in the Northern Hemisphere and from the southeast in the Southern Hemisphere , strengthening during the winter ...
The Hadley and polar cells are truly closed loops, the Ferrel cell is not, and the telling point is in the Westerlies, which are more formally known as "the Prevailing Westerlies." The easterly Trade Winds and the polar easterlies have nothing over which to prevail, as their parent circulation cells are strong enough and face few obstacles ...
Besides the westerlies, and trade winds, the large surfaces of land also effect the wind, causing cyclones, hurricanes and other deviations to the normal direction of trade wind File usage The following 10 pages use this file:
Jet streams are fast flowing, narrow air currents in the Earth's atmosphere. [1]The main jet streams are located near the altitude of the tropopause and are westerly winds, flowing west to east around the globe.
Roaring Forties as they contract towards southern Australia (observed in September 1895). [1]The Roaring Forties are strong westerly winds that occur in the Southern Hemisphere, generally between the latitudes of 40° and 50° south. [2]
A diagram showing the relative positions of the horse latitudes. The horse latitudes are the latitudes about 30 degrees north and south of the Equator. [1] They are characterized by sunny skies, calm winds, and very little precipitation. They are also known as subtropical ridges or highs.