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The common precipitation regime of the Andes is a rainy summer season from October to April and a dry winter from May to September. [15] Snow is common at elevations of more than 3,800 m (12,500 ft). The city of Puno at that elevation has snow 14 days per year on average and it has snowed in every month of the year except November. [17]
Indeed, in tropical South America and Central America, the 'rainy season' (and the 'high water season') is called invierno (Spanish) or inverno (Portuguese), though it could occur in the Northern Hemisphere summer; likewise, the 'dry season (and 'low water season') is called verano or verão, and can occur in the Northern Hemisphere winter).
Per the World Bank (2017) [1] [2]; Country mm/ year) Continent 1 Colombia 3,240: South America: 2 São Tomé and Príncipe 3,200: Africa Tuvalu 3,200: Oceania: 3 Papua New Guinea 3,142 ...
Colombia map of Köppen climate classification. An uncommon hailstorm in Bogotá on March 3, 2006, product of a combination of altitude (low temperature at an altitude of 2640 meters above sea level) and precipitation. The thunderstorms of the Intertropical Convergence Zone form a line across the eastern Pacific Ocean and over Colombia.
The terminator is visible in this panoramic view across central South America. The geography of South America contains many diverse regions and climates. Geographically, South America is generally considered a continent forming the southern portion of the landmass of the Americas, south and east of the Colombia–Panama border by most ...
La Niña refers to cooling of Pacific Ocean surface temperatures along the equator west of South America. Those changes in water temperature affect tropical rainfall patterns that in turn ...
The passage of the cold front to the northeast leads to the movement of the high pressure system from the South Pacific Ocean into the southern tip of South America. [ 27 ] [ 31 ] [ 32 ] All of these conditions lead to strong anticyclogenesis to the east of the Andes and thus, the high pressure system intensifies as it enters southern Argentina.
The Köppen climate classification is the most widely used climate classification system. [2] It defines a tropical climate as a region where the mean temperature of the coldest month is greater than or equal to 18 °C (64 °F) and does not fit into the criteria for B-group climates, classifying them as an A-group (tropical climate group). [3]