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Compare current & historical events with the Oceanic Niño Index (ONI) from the NCAR/UCAR/Climate Data Guide. Compare current & historical events | El Niño strength index | Comparison discussion from NOAA ESRL PSD.
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- What is El Niño
9 de may. de 2024 · Current Status May 9, 2024. El Niño Advisory. La Niña Watch. The atmospheric part of El Niño—the warm phase of the El Niño-Southern Oscillation ("ENSO") climate pattern—has more or less shut off. The ocean part is weakening. Conditions are likely to shift to ENSO-neutral in the next month.
19 de oct. de 2023 · El Niño is a climate pattern that describes the unusual warming of surface waters in the eastern tropical Pacific Ocean. 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 cooling of the region’s surface waters.
A monthly summary of the status of El Niño, La Niña, and the Southern Oscillation, or ENSO, based on the NINO3.4 index (120-170W, 5S-5N) As of mid-May 2024, waning El Niño conditions persist in the central-eastern equatorial Pacific (between 160E to 160W), with important oceanic and atmospheric indicators aligning with ENSO-neutral conditions.
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 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.
5 de mar. de 2024 · El Niño/La Niña Updates. The WMO El Niño/La Niña Update is prepared approximately every three months through a collaborative effort between WMO and the International Research Institute for Climate and Society (IRI) as a contribution to the United Nations Inter-Agency Task Force on Natural Disaster Reduction.
