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[95] [96] However, cold waves are also common, caused by the channeling by the Andes of cold air from the south, making for frequent cold fronts during the winter months and bringing temperatures that can fall below freezing, [97] [98] and occasionally below −10 to −30 °C (14 to −22 °F) at higher altitudes.
In general, the passage of cold fronts is more common in the south than in the north, and occurs more in winter than in summer. [109] The movement of warm, subtropical air into the region occurs frequently in summer up to 46 o S. [ 109 ] When warm subtropical air arrives in the region, the air is dry, resulting in little precipitation, and ...
Arctic, Antarctic, and polar air masses are cold. The qualities of arctic air are developed over ice and snow-covered ground. Arctic air is deeply cold, colder than polar air masses. Arctic air can be shallow in the summer, and rapidly modify as it moves equatorward. [8] Polar air masses develop over higher latitudes over the land or ocean, are ...
The hot temperatures and high insolation in the summer months form a low pressure system called the Chaco Low over northern Argentina, generating a pressure gradient that brings moist easterly winds to the city – because of this, summer is the rainiest season. In contrast, this low pressure system weakens in the winter, which combined with ...
Aerial view of the glacier, taken two weeks before the 2004 rupture. The Perito Moreno (Spanish: Glaciar Perito Moreno), Francisco Gormaz or Bismarck Glacier [1] is a glacier located in Los Glaciares National Park in southwest Santa Cruz Province, Argentina, and originated in the Magallanes Region in Chile, being also part of the Bernardo O'Higgins National Park.
The Earth's cold trap is located about 12 km above sea level, well below the height in which water vapor would be permanently split apart into hydrogen and oxygen by solar UV rays and the former irreversibly being lost to space. Because of the cold trap in the Earth's atmosphere, the Earth is actually losing water to space at a rate of only 1 ...
This map of Earth in 2024 shows how much warmer or cooler each region of the planet was compared with the average from 1951 to 1980. Higher-than-normal temperatures are shown in red and orange ...
Argentine Antarctica (Spanish: Antártida Argentina or Sector Antártico Argentino) [4] is an area on Antarctica claimed by Argentina as part of its national territory.It consists of the Antarctic Peninsula and a triangular section extending to the South Pole, delimited by the 25° West and 74° West meridians and the 60° South parallel. [5]