Atmospheric anomalies over the tropical Pacific Ocean are consistent with La Niña. La Niña is favored to continue for the next month or two, with a transition to ENSO-neutral most likely in January-March …

Apr 10, 2025 · 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.

El Niño–Southern Oscillation (ENSO) is a global climate phenomenon that emerges from variation in winds and sea surface temperatures over the tropical Pacific Ocean. Those variations have an …

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The El Niño-Southern Oscillation (ENSO) is a recurring climate pattern involving changes in the temperature of waters in the central and eastern tropical Pacific Ocean.

As of mid-December 2025, the equatorial Pacific is in a La Niña state, with sea surface temperatures in the Niño 3.4 region having crossed the La Niña threshold. The CCSR/IRI ENSO plume forecast …

Dec 11, 2025 · Niño 3 (5N-5S, 150W-90W): This region was once the primary focus for monitoring and predicting El Niño, but researchers later learned that the key region for coupled ocean-atmosphere …

Nov 9, 2023 · El Niño Southern Oscillation (ENSO) is a naturally occurring large-scale climatic phenomenon involving fluctuating ocean temperatures in the central and eastern equatorial Pacific, …

Aug 28, 2023 · AUSTIN (KXAN) — While we’ve talked about ENSO (El Niño Southern Oscillation) at length over the past year, there’s another player in our weather that we’re watching this year…PDO.

El Niño and the Southern Oscillation, also known as ENSO is a periodic fluctuation (i.e., every 2–7 years) in sea surface temperature (El Niño) and the air pressure of the overlying atmosphere …