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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 ...
Image:Map of USA-bw.png – Black and white outlines for states, for the purposes of easy coloring of states. Image:BlankMap-USA-states.PNG – US states, grey and white style similar to Vardion's world maps. Image:Map of USA with county outlines.png – Grey and white map of USA with county outlines.
Country Southernmost point Latitude Antarctica: South Pole: 90°00′S: Antarctic Circle: 66°33′39"S South Georgia and the South Sandwich Islands (United Kingdom) Southern Thule: 59°42′S Chile: Águila Islet, Diego Ramírez Islands Cape Froward (mainland) 56°32′S 53°53′S Argentina: Southernmost point of Isla Grande de Tierra del Fuego
The South Pole is at an altitude of 9,200 feet (2,800 m) but feels like 11,000 feet (3,400 m). [31] Centripetal force from the spin of the planet throws the atmosphere toward the equator. The South Pole is colder than the North Pole primarily because of the elevation difference and for being in the middle of a continent. [32]
The strongest westerly winds in the middle latitudes can come in the roaring forties, between 40 and 50 degrees south latitude. The westerlies play an important role in carrying the warm, equatorial waters and winds to the western coasts of continents, especially in the southern hemisphere because of its vast oceanic expanse.
The traditional clipper route followed the winds of the roaring forties south of the great capes. Today, the great capes feature prominently in ocean yacht racing; many races and individual sailors follow the clipper route. A circumnavigation via the great capes is considered a noteworthy achievement. [3]
The route then ran south through the western South Atlantic, following the natural circulation of winds and currents, passing close to Trindade, then curving south-east past Tristan da Cunha. [3] The route crossed the Greenwich meridian at about 40 degrees south , taking the clippers into the Roaring Forties after about 6,500 miles (10,500 km ...
A map of the Antarctic region, including the Antarctic Convergence and the 60th parallel south The Antarctic Plate. The Antarctic (/ æ n ˈ t ɑːr t ɪ k / or / æ n ˈ t ɑːr k t ɪ k /, American English also / æ n t ˈ ɑːr t ɪ k / or / æ n t ˈ ɑːr k t ɪ k /; commonly / æ ˈ n ɑːr t ɪ k /) [Note 1] is a polar region around Earth's South Pole, opposite the Arctic region around ...