What are El Nino and La Nina? - NOAA's National Ocean Service
El Niño and La Niña are two opposing climate patterns that break these normal conditions. Scientists call these phenomena the El Niño-Southern Oscillation (ENSO) cycle. El Niño and …
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 …
El Niño and La Niña - National Oceanic and Atmospheric Administration
Feb 25, 2025 · What is El Niño? What is La Niña? An El Niño condition occurs when surface water in the equatorial Pacific becomes warmer than average and east winds blow weaker …
El Niño and La Niña: Frequently asked questions
Jan 18, 2016 · El Niño (the warm phase) and La Niña (the cool phase) lead to significant differences from the average ocean temperatures, winds, surface pressure, and rainfall across …
El Niño & La Niña (El Niño-Southern Oscillation) - NOAA …
El Niño and La Niña are the warm and cool phases of a natural climate pattern across the tropical Pacific known as the El Niño-Southern Oscillation, or “ENSO” for short. The pattern shifts back …
El Niño–Southern Oscillation - Wikipedia
El Niño–Southern Oscillation (ENSO) is a global climate phenomenon that emerges from variation in winds and sea surface temperatures over the tropical Pacific Ocean. Those variations have …
March 2025 ENSO update: neutral conditions expected soon
Mar 13, 2025 · La Niña conditions persisted through February, but forecasters expect ENSO-neutral conditions to develop in the next month and persist through the Northern Hemisphere …
El Niño and La Niña: What are they and how do they affect Earth's ...
Jul 13, 2023 · El Niño is a naturally occurring phenomenon of periodic warming of sea surface temperatures in the central and eastern regions of the Pacific Ocean. La Niña is the opposite, …
El Niño / La Niña - World Meteorological Organization
Mar 6, 2025 · Though ENSO is a single climate phenomenon, it has three phases - El Niño, La Niña and Neutral. El Niño, meaning “boy child” in Spanish, was first used some centuries ago …
El Niño vs. La Niña: What's the Difference? - Earth How
EL NINO: El Niño is the warming phase of the waters in the eastern Pacific, off the coast of South America. LA NINA: Then, La Niña is the cooling phase. Both phenomena disrupt weather and …