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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. They originate from the high-pressure areas in the horse latitudes (about 30 degrees) and trend towards the poles and steer extratropical cyclones in this general manner. [ 3 ]
The westerlies (blue) and trade winds (yellow and brown) Global surface wind vector flow lines colored by wind speed from June 1, 2011 to October 31, 2011. 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 ...
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 ...
In the upper atmosphere of the Ferrel cell, the air moving toward the equator deviates toward the west. Both of those deviations, as in the case of the Hadley and polar cells, are driven by conservation of angular momentum. As a result, just as the easterly Trade Winds are found below the Hadley cell, the Westerlies are found beneath the Ferrel ...
It is a high-pressure area at the divergence of trade winds and the westerlies. Etymology. This article needs additional citations for verification.
Note that the boundary between the westerlies and the trade winds moves north in summer and south in winter. Portuguese route to India, outbound in red, return route in blue. Northwest Africa: Those sailing from Europe leave the Strait of Gibraltar and soon hit the Canary Current, which pushes them southwest down the African coast.
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]