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An example of the impact of the westerlies is when dust plumes, originating in the Gobi Desert combine with pollutants and spread large distances downwind, or eastward, into North America. [8] The westerlies can be particularly strong, especially in the Southern Hemisphere, where there is less land in the middle to cause the progression of west ...
The föhns called "Chinook winds" are seen throughout most of inland western North America, particularly the Rocky Mountain region. Montana especially has a significant amount of föhn winds throughout much of the state during the winter months, but particularly coming off the Rocky Mountain Front in the northern and west-central areas of the ...
The westerlies play an important role in carrying the warm, equatorial waters and winds to the western coasts of continents, [13] [14] especially in the southern hemisphere because of its vast oceanic expanse. The westerlies explain why coastal Western North America tends to be wet, especially from Northern Washington to Alaska, during the winter.
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. It is a high-pressure area at the divergence of trade winds and the westerlies.
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 ...
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 Kuroshio Current tends to push ships northeast into the westerlies and towards North America. There are records of unlucky Japanese fishermen being blown to North America, but no records of any who sailed home. [2] It is easy to sail south and link up with the Indian Ocean trade. North China had few ports and little coastwise trade.
This last sentence is not true. It would be much better making reference to the northern hemisphere, were the westerlies (and the Gulf Stream) carry much more heat to the western coasts of Europe and North America, than in the southern hemisphere toward the western coasts of South América, Africa and Australia.