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La Niña is the cool phase of ENSO (El Niño-Southern Oscillation) that is marked by sea-surface water temperatures 0.5 degrees Celsius — roughly 32.9 degrees Fahrenheit — below the ...
The weak La Niña is forecast to stick around through April before yielding once again to so-called neutral — not La Niña or El Niño — conditions, according to the Climate Prediction Center.
In the U.S., typical winter La Niña impacts include wetter-than-average conditions for the Pacific Northwest and Ohio Valley, while the nation's southern tier tends to skew drier, Weather.com ...
The 2020–2023 La Niña event was a rare three-year, triple-dip La Niña. [1] The impact of the event led to numerous natural disasters that were either sparked or fueled by La Niña. La Niña refers to the reduction in the temperature of the ocean surface across the central and eastern equatorial Pacific, accompanied by notable changes in the ...
El Niño has been shaping the weather across North America all winter, but the tides are changing, and a major shift is on the horizon. On Thursday, NOAA issued a La Niña watch, explaining that ...
La Niña occurs when easterly trade winds — the permanent east-to-west winds that blow near the equator — strengthen, allowing the Pacific Ocean’s colder waters to upwell to the surface.
Drier and hotter weather occurs in parts of the Amazon River Basin, Colombia, and Central America. [228] During a time of La Niña, drought affects the coastal regions of Peru and Chile. [229] From December to February, northern Brazil is wetter than normal. [229]
Across Alaska, El Niño events do not have a correlation towards dry or wet conditions; however, La Niña events lead to drier than normal conditions.During El Niño events, increased precipitation is expected in Southern California, Arizona, and New Mexico due to a more southerly, zonal, storm track over the Southwest, leading to increased winter snowpack, but a more subdued summer monsoon ...