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The term originally derives from the early fourteenth century sense of trade (in late Middle English) still often meaning "path" or "track". [2] The Portuguese recognized the importance of the trade winds (then the volta do mar, meaning in Portuguese "turn of the sea" but also "return from the sea") in navigation in both the north and south Atlantic Ocean as early as the 15th century. [3]
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.
Like trade winds and unlike the westerlies, these prevailing winds blow from the east to the west, and are often weak and irregular. [15] Due to the low sun angle, cold air builds up and subsides at the pole creating surface high-pressure areas, forcing an outflow of air toward the equator ; [ 16 ] that outflow is deflected westward by the ...
The trade winds act as the steering flow for tropical cyclones that form over the world's oceans. [32] Trade winds also steer African dust westward across the Atlantic Ocean into the Caribbean, as well as portions of southeast North America. [33] A monsoon is a seasonal prevailing wind that lasts for several months within tropical regions.
The winds that flow to the west (from the east, easterly wind) at the ground level in the Hadley cell are called the trade winds. Though the Hadley cell is described as located at the equator, it shifts northerly (to higher latitudes) in June and July and southerly (toward lower latitudes) in December and January, as a result of the Sun's ...
Winds tend to blow west to east, he says — and the latitudes of 40 to 60 are notorious for strong winds. ... create vortices which bring colder water from the depths of the ocean higher up ...
Trade wind clouds are found over about 20 percent of the Earth's surface. [6] Since they reflect sunlight on their upper surface, they reduce the warming of the Earth's surface by solar radiation. [7] Numerical climate models have great difficulty with the simulation of low clouds over the subtropical oceans, in particular the trade wind clouds ...
Buran (a wind which blows across eastern Asia. It is also known as Purga when over the tundra); Karakaze (strong cold mountain wind from Gunma Prefecture in Japan); East Asian Monsoon, known in China and Taiwan as meiyu (梅雨), in Korea as jangma (), and in Japan as tsuyu (梅雨) when advancing northwards in the spring and shurin (秋霖) when retreating southwards in autumn.