CLIMATE OF INDIA
EL NINO AND SOUTHERN OSCILLATIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The water in the Pacific Ocean gets warmer than normal and causes fewer hurricanes to form.
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The water in the Pacific Ocean gets colder than normal and causes more hurricanes to form.
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The water in the Pacific Ocean gets colder than normal, and the flow of the jet stream is disrupted.
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The water in the Pacific Ocean gets warmer than normal, and the flow of the jet stream is disrupted.
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Detailed explanation-1: -During El Niño, when the trade winds are weak or even occasionally reverse themselves, the amount of cold water that comes to the surface is reduced. Warm waters in the west Pacific Ocean slosh to the east. Now there is a large area along the equator where ocean temperatures are above normal.
Detailed explanation-2: -During an El Niño event, the surface waters in the central and eastern Pacific Ocean become significantly warmer than usual. That change is intimately tied to the atmosphere and to the winds blowing over the vast Pacific.
Detailed explanation-3: -El Nino can be understood as a natural phenomenon wherein the ocean temperatures rise especially in parts of the Pacific ocean. It is the nomenclature which is referred to for a periodic development along the coast of Peru. This development is a temporary replacement of the cold current along the coast of Peru.