
El Niño and La Niña - National Oceanic and Atmospheric Administration
2025年2月25日 · 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 …
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 …
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 …
El Niño - Science@NASA
2025年2月3日 · El Niño is the largest natural disruption to the Earth system, with direct impacts across most of the Pacific Ocean. Indirect impacts reverberate around the globe in patterns …
What are El Niño and La Niña, and how do they change the weather? - BBC
2024年4月16日 · 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 / La Niña - World Meteorological Organization
2025年3月6日 · The El Niño-Southern Oscillation (ENSO) is a recurring natural phenomenon characterised by fluctuating ocean temperatures in the equatorial Pacific, coupled with …
Understanding El Niño - National Oceanic and Atmospheric Administration
2016年2月2日 · El Niño is a naturally occurring ocean-atmosphere climate pattern associated with warming of the ocean surface temperatures in the central and eastern tropical Pacific Ocean, …
What Is El Niño? | NASA Space Place – NASA Science for Kids
2019年6月27日 · El Niño is a weather pattern. In El Niño years, ocean waters along South America and California warm above normal temperatures. Many rain clouds form over this …
El Niño - National Geographic Society
2024年12月9日 · El Niño is the “warm phase” of a larger phenomenon called the El Niño-Southern Oscillation (ENSO). La Niña, the “cool phase” of ENSO, is a pattern that describes the unusual …
What is El Niño and how is it influenced by climate change?
El Niño and La Niña are two phases of the naturally occurring climate phenomenon called the El Niño–Southern Oscillation (ENSO), which leads to the most dramatic year-to-year variation of …