What is El Nino? El nino is extensive warming of ocean water along the South American cost. It causes strong Easterly winds to blow across the Pacific, and changes precipitation (so often, flooding and droughts occur)
El Nino seems to occur every two to seven years, the worst recorded was in 1982-1983.
What is La Nina? La Nina, usually following an El Nino, is the cause of ocean temperatures cooling. This creates dry weather to the central and Southwest United States.
*just remember: El Nino= Hot, while La Nina=Cold
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