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 La Niña can both have global impacts on weather, wildfires, ecosystems, and economies. Episodes of El Niño and La Niña typically last nine to 12 months, but ...
A La Niña winter is coming. Here’s what that could mean for the US
2024年10月15日 · La Niña is a natural climate pattern that influences global weather marked by cooler than average ocean temperatures in the equatorial Pacific.
拉尼娜（海面温度持续异常偏冷的现象）_百度百科
拉尼娜，是西班牙语“La Niña”——“小女孩，圣女”的意思，是厄尔尼诺现象的反相，也称为“反厄尔尼诺”或“冷事件”，它是指赤道附近东太平洋水温反常下降的一种现象，表现为东太平洋明显变冷，同时也伴随着全球性气候混乱，总是出现在 厄尔尼诺 ...
El Niño & La Niña (El Niño-Southern Oscillation) - NOAA …
2024年11月14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 ...
拉尼娜现象 - 维基百科，自由的百科全书
拉尼娜现象（西班牙語： La Niña ），又稱反圣婴现象，是一种和厄尔尼诺现象相反的现象，即「東太平洋降溫階段」；因此用西班牙语中与厄尔尼诺（ El Niño ）相对应的阴性名词拉尼娜（ La Niña ）来代表。
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.
What Is La Niña? | NOAA SciJinks – All About Weather
2024年12月5日 · La Niña is a weather pattern that occurs in the Pacific Ocean. In this pattern, strong winds blow warm water at the ocean’s surface from South America to Indonesia. As the warm water moves west, cold water from the deep rises to …
El Niño and La Niña Explained | Ocean Today - National Oceanic …
These strong trade winds are a signature of what is called La Niña, unusually cold conditions in the tropical Pacific that displace the Jet Stream northward. La Niña can lead to drought in the southern US and cooler temperatures, heavy rains and flooding in the Pacific Northwest.
El Niño–Southern Oscillation - Wikipedia
The warming phase of the sea surface temperature is known as "El Niño" and the cooling phase as "La Niña". The Southern Oscillation is the accompanying atmospheric oscillation, which is coupled with the sea temperature change.
El Niño / La Niña - World Meteorological Organization
2024年12月11日 · 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 occurs on average every three to five …