NOAA announces the arrival of El 'Niño'

NOAA announces the arrival of El 'Niño'
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HARLINGEN, Texas (ValleyCentral) —El Niño is officially here, and NOAA has confirmed it’s developing in the Pacific. But what exactly is El Niño? It’s natural climate pattern that happens when ocean waters in the central and eastern Pacific Ocean become warmer than normal. That extra heat can shi...