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Ref : S02231
Theme :
Earth in Space (419 images)
Title : 17 Jan 99-El Nino
Caption :
17 Jan 99 - In this image, the low sea level or cold pool of water along the equator, commonly referred to as La Niña (shown in purple), has weakened in size and heat content during the last several months. Although weakening, the La Niña pattern continues to exert a strong influence on the worldwide climate system. According to oceanographers, the cold La Niña water acts like a boulder in a stream, steering the planet's prevailing winds and changing the course of storms that are born over the ocean.
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