What are El Nino and La Nina? - NOAA's National Ocean Service
El Niño and La Niña are climate patterns in the Pacific Ocean that can affect weather worldwide. Warmer or colder than average ocean temperatures in one part of the world can influence weather around the globe. Watch this Ocean Today video to see how this works.
A La Niña winter is coming. Here’s what that could mean for the US
2024年10月15日 · Northern California is typically wetter during a La Niña winter, but the Climate Prediction Center’s forecast keeps the region near normal this season. La Niña had a hand in the extremely wet ...
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, which can significantly influence weather patterns, …
El Niño has officially begun. Here's what that means for the U.S. - NPR
2023年6月8日 · In the Northern United States and Canada, El Niño generally brings drier, warmer weather. That's bad news for Canada, which already had an abnormally hot Spring, and is grappling with...
El Niño & La Niña (El Niño-Southern Oscillation) - NOAA …
2024年10月10日 · 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 and forth irregularly every two to seven years, bringing predictable changes in ocean temperature and disrupting the normal wind and rainfall ...
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 alter global...
El Niño and La Niña - National Oceanic and Atmospheric Administration
2015年7月1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 than normal. The opposite condition is called La Niña. During this phase of ENSO, the water is cooler than normal and the east winds are stronger.
El Niño–Southern Oscillation - Wikipedia
El Niño–Southern Oscillation (ENSO) is a global climate phenomenon that emerges from variations in winds and sea surface temperatures over the tropical Pacific Ocean. Those variations have an irregular pattern but do have some semblance of cycles. The occurrence of ENSO is not predictable.
El Niño and La Niña: Frequently asked questions
2016年1月18日 · 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 parts of the tropical Pacific. Neutral indicates that conditions are near their long-term average.
What is El Niño? | El Nino Theme Page - A comprehensive Resource
El Niño is an oscillation of the ocean-atmosphere system in the tropical Pacific having important consequences for weather around the globe. Among these consequences are increased rainfall across the southern tier of the US and in Peru, which has caused destructive flooding, and drought in the West Pacific, sometimes associated with ...