La Niña: 'Little Girl' Makes Big Impression

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The cooler waters of a La Nia inhibit cloud growth overhead as seen in this image of the Pacific Ocean on Nov. 8 2007. Credit: NASAGoddardacutes Scientific Visualization Studio
The cooler waters of a La Niña inhibit cloud growth overhead as seen in this image of the Pacific Ocean on Nov. 8, 2007. Credit: NASA/Goddard's Scientific Visualization Studio

Cool, wet conditions in the Northwest, frigid weather on the Plains, and record dry conditions in the Southeast, all signs that La Niña is in full swing. With winter gearing up, a moderate La Niña is hitting its peak. And we are just beginning to see the full effects of this oceanographic phenomenon, as La Niña episodes are typically strongest in January.


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