Cold, Nutrient-rich waters brought up into the Photic Zone. Driven By the Southeast Tradewinds. As the NE Trades cross the Equator, the sign of the Coriolis Effect changes, resulting in the Net Transport of Surface waters away from the Equator. Deeper waters upwell to replace these diverging waters. The weakening of the trade winds that allows the western Pacific pool of warm water to surge back across the ocean to the eastern tropical Pacific, bringing warm, wet conditions to the Pacific coasts of Peru and Ecuador.
Flash floods destroy villages, human life.