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Papagayo wind
The Papagayo wind is a north to northeasterly wind which periodically blows through the gap in the mountain ranges of Central America in which Lake Nicaragua is located. It is named for the Gulf of Papagayo on the Pacific coast in this region. The wind is stronger than the trade winds which normally blow here. It is notable for causing a pronounced increase in upwelling of cooler, nutrient-rich waters on the Pacific coast which in turn supports an abundance of sea life. The wind and upwelling are together referred to as a Papagayo event.
The Papagayo is caused by a surge of cooler, drier air originating from the North American continent. Such surges are more common in the winter, but may occur at other times of the year as well. This air is denser than the tropical air mass normally present in the region, thus a strong pressure gradient is established which induces the wind. The wind is further accelerated by the funneling effect of the mountain gap between the Caribbean and the Pacific coastlines. The same conditions are the cause of the Tehuano wind in southern Mexico and the Panama wind to the south.
==See also==
*Tehuano wind
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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