As per World Meteorological Organization (WMO), the current La Nina has spanned three consecutive northern hemisphere winters making this the century’s first ‘triple-dip’ La Nina. In light of this describe the phenomenon of triple dip La Nina and highlight its impact.
Answer: La Nina refers to the large-scale cooling of the ocean surface temperatures in the central and eastern equatorial Pacific Ocean, coupled with changes in the tropical atmospheric circulation, namely winds, pressure and rainfall.
A “triple-dip” La Nina is a multiyear cooling of the surface temperature of the equatorial Pacific Ocean.
In La Nina strong winds blow warm water on the surface of the Pacific Ocean near the coast of South America across the equator toward Indonesia, other parts of Asia and Australia. This causes cooler water to rise to the surface of the Pacific Ocean, which has wide-ranging ripple ....
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