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The Southern Oscillation is the atmospheric component of El Niño. This component is an oscillation in surface air pressure between the tropical eastern and the western Pacific Ocean waters. The El Niño–Southern Oscillation is a single climate phenomenon that periodically fluctuates between three phases: Neutral, La Niña or El Niño. [ 12]
The Walker circulation, also known as the Walker cell, is a conceptual model of the air flow in the tropics in the lower atmosphere ( troposphere ). According to this model, parcels of air follow a closed circulation in the zonal and vertical directions. This circulation, which is roughly consistent with observations, is caused by differences ...
The Pacific Ocean and surrounding areas. The 2023–2024 El Niño was regarded as the fourth-most powerful El Niño–Southern Oscillation event in recorded history, resulting in widespread droughts, flooding and other natural disasters across the globe. The onset was declared on 4 July 2023 by the World Meteorological Organization (WMO) [ 1 ...
El Niño is a climate pattern that originates in the Pacific Ocean along the equator and impacts weather all over the world. Warm water normally is confined to the western Pacific by winds that ...
Sarah A. Miller/Sarah A. Miller. “El Niño is here,” weather experts declared this month, potentially impacting Boise’s weather this summer and into the rest of 2023. “El Niño conditions ...
El Niños this century have "shifted westward to the central Pacific and lasted longer, becoming multi-year events," Yu said. "El Niño has changed." weather la jolla, california el nino (Brendan ...
Equatorial Counter Current. The Equatorial Counter Current is an eastward flowing, wind-driven current which extends to depths of 100–150 metres (330–490 ft) in the Atlantic, Indian, and Pacific Oceans. More often called the North Equatorial Countercurrent (NECC), this current flows west-to-east at about 3-10°N in the Atlantic, Indian ...
The Pacific Ocean and surrounding areas. The 2014–2016 El Niño was the strongest El Niño event on record, with unusually warm waters developing between the coast of South America and the International Date Line. These unusually warm waters influenced the world's weather in a number of ways, which in turn significantly affected various parts ...