What is EL-Nino, La Nina? Explain.
Answers
During normal conditions, trade winds, which blows from east to west, push warm surface area sea water to Asia. In some years through, the trade winds weaken. The warm surface water moves eastward and reduces unwilling of cold water off the coast of South America. This is called as EL-Nino.
Its climate impacts shows up mostly in the wintertime over North America. The warmer oceans fuels an intensification and southward shift of the jet stream. This brings flood to the Southern US and warmer drier conditions over parts of the Pacific northwest, northern US and Canada.
But eventually those trade winds pick up again and sometimes become even stronger than normal. When that happens, they blow the warm water back into the Western Pacific and restart the unwilling of cool water towards the surface in the Eastern Pacific. These strong trade winds are a signature of La-Nina, unusually cold conditions in the tropical Pacific that displace the Jet Stream northward. La-Nina can lead to drought in the Southern US and cooler temperature, heavy rains and flooding in the Pacific Northwest. They both together are part of a cycle that influences extreme weather and can impact food production, water supply and even human health.
Answer:
La Nina ==
Explanation:
La Niña is a climate pattern that describes the cooling of surface ocean waters along the tropical west coast of South America. La Nina is considered to be the counterpart to El Nino, which is characterized by unusually warm ocean temperatures in the equatorial region of the Pacific Ocean.
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