What are El Nino and La Nina? - NOAA's National Ocean Service
El El Nino and La Nina are complex weather patterns resulting from variations in ocean temperatures in the Equatorial Pacific.
October 2023 What is El Niño & La Niña? The El Niño – Southern Oscillation (ENSO) is a recurring climate pattern involving changes in the temperature of waters in the central and eastern tropical …
What are El Niño and La Niña, and how do they change the weather? - BBC
Apr 16, 2024 · El Niño is part of the natural climate phenomenon called the El Niño Southern Oscillation (ENSO). It has two opposite states: El Niño and La Niña, both of which significantly alter...
El Niño and La Niña Explained: How Climate Cycles Drive Extreme …
Dec 13, 2025 · El Niño and La Niña shape global weather, driving floods, droughts, and economic losses. Understanding climate cycles helps forecast disasters and protect crops.
El Niño and La Niña - U.S. National Park Service
May 7, 2020 · When the trade winds along the Pacific coast move the warm waters associated with El Niño westward toward eastern Asia and Australia, La Niña starts to affect the world.
El Niño / La Niña - World Meteorological Organization
Dec 4, 2025 · El Niño and La Niña typically develop in northern hemisphere’s spring-summer and peak in winter. The oscillation between ENSO warm phase (El Niño) to neutral or cold (La Niña) conditions …
El Niño and La Niña: Understanding Their Impact on Global Weather ...
Jan 8, 2025 · El Niño brings warmer ocean temperatures, which can lead to heavier rainfall in some regions, while La Niña typically cools those same waters, often resulting in drier conditions …
El Niño and La Niña: Frequently asked questions
Jan 18, 2016 · The ENSO pattern in the tropical Pacific can be in one of three states: El Niño, Neutral, or La Niña. El Niño (the warm phase) and La Niña (the cool phase) lead to significant differences from …
El Niño and La Niña, Explained - The New York Times
Jul 18, 2023 · What are El Niño and La Niña, exactly? They are both intermittent climate phenomena that originate in the equatorial Pacific Ocean but can have wide-ranging effects on weather around the...
El Niño and La Niña Explained | Ocean Today
El Niño and La Niña together are part of a cycle that influences extreme weather and can impact food production, water supply and even human health not just in the US, but in many parts of the globe.