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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 with the highest speed over a particular point on the Earth's surface at any given time.
In 1493 Columbus arrived at Lisbon with news of the new world, and reported that he had sailed out of sight of land for five weeks. In 1497 Vasco da Gama chose a very obvious and very bold route. After rounding the bulge of Africa, he sailed directly south across the trade winds and, helped by the Brazil Current, reached the roaring forties ...
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 and when the Arctic oscillation is in its warm phase.
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The NEC, thus, is more aligned to the westward wind on the equator. [6] The NEC shows a very strong seasonal pattern. During January and February, thanks to the prevailing northeast wind, the NEC travels all the way to the east coast of Somalia and joins the Somali Current flowing towards the southwest to feed the SECC. As a result, SECC is ...
The largest ocean current is the Antarctic Circumpolar Current (ACC), a wind-driven current which flows clockwise uninterrupted around Antarctica. The ACC connects all the ocean basins together, and also provides a link between the atmosphere and the deep ocean due to the way water upwells and downwells on either side of it.
The Global Wind Atlas is a web-based application developed to help policymakers and investors identify potential high-wind areas for wind power generation virtually anywhere in the world, and perform preliminary calculations. It provides free access to data on wind power density and wind speed at multiple heights using the latest historical ...
The Roaring Forties are strong westerly winds that occur in the Southern Hemisphere, generally between the latitudes of 40° and 50° south. [2] The strong eastward air currents are caused by the combination of air being displaced from the Equator towards the South Pole , Earth's rotation , and the scarcity of landmasses to serve as windbreaks ...