What are El Nino and La Nina? - NOAA's National Ocean Service
La Niña means Little Girl in Spanish. La Niña is also sometimes called El Viejo, anti-El Niño, or simply "a cold event." La Niña has the opposite effect of El Niño. During La Niña events, trade winds are even stronger than usual, pushing more warm water toward Asia.
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 and forth irregularly every two to seven years, bringing predictable changes in ocean temperature and disrupting the normal wind and rainfall ...
拉尼娜（海面温度持续异常偏冷的现象）_百度百科
拉尼娜也被称为“反厄尔尼诺”，是指赤道附近东太平洋水温异常下降的现象，表现为东太平洋明显变冷，同时也伴随着全球性气候混乱。. 拉尼娜事件总是出现在厄尔尼诺现象之后 [13]。. 拉尼娜，是西班牙语“La Niña”——“小女孩，圣女”的意思，是 ...
What is La Niña? | El Nino Theme Page - A comprehensive Resource
The La Niña story. La Niña is characterized by unusually cold ocean temperatures in the Equatorial Pacific, compared to El Niño, which is characterized by unusually warm ocean temperatures in the Equatorial Pacific. The graphic below shows the sea surface temperature in the equatorial Pacific (20ºN-20ºS, 100ºE-60ºW) from Indonesia on the ...
El Niño–Southern Oscillation - Wikipedia
The El Niño–Southern Oscillation is a single climate phenomenon that periodically fluctuates between three phases: Neutral, La Niña or El Niño. [12] La Niña and El Niño are opposite phases in the oscillation which are deemed to occur when specific ocean and atmospheric conditions are reached or exceeded.
El Niño and La Niña Explained | Ocean Today - National Oceanic …
The warm surface water moves eastward and reduces upwelling of cold water off the coast of South America. Climatologists call this El Niño. Its climate impacts show up mostly in the wintertime over North America. The warmer ocean fuels an …
El Niño and La Niña - National Oceanic and Atmospheric Administration
2015年7月1日 · 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 Niños typically occur every 3 to 5 years.
What are El Niño and La Niña, and how do they change the weather? - BBC
2024年4月16日 · It has two opposite states: El Niño and La Niña, both of which significantly alter global weather. El Niño can be identified by a number of different measurements, including: warmer-than-usual ...
What Is La Niña? | NOAA SciJinks – All About Weather
2024年9月11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 …
What is La Nina and how will it impact weather in 2024? - Vox
2024年5月1日 · The warm phase of the Pacific Ocean’s temperature cycle, known as El Niño, is now winding down and is poised to move into its counterphase, La Niña. During an El Niño year, warm water starts ...