What Is El Niño, and What Does It Mean for Weather, Water, and the Global Economy?
El Niño is a climate phenomenon characterized by warmer-than-average sea surface temperatures in the Pacific that triggers global weather disruptions. This explainer details how meteorological agencies track these events and why they have significant impacts on agriculture, energy, and disaster preparedness.
Characterized by warmer-than-normal sea surface temperatures in the equatorial Pacific, El Niño occurs every few years. Meteorological agencies and researchers around the world are on high alert because when the heat stored in the ocean is released into the atmosphere, it triggers a chain reaction that affects rainfall, temperatures, and even hurricane activity around the world.
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