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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 and La Niña affect the global climate and disrupt normal weather patterns, which as a result can lead to intense storms in some places and droughts in others. [6] [7] El Niño events cause short-term (approximately 1 year in length) spikes in global average surface temperature while La Niña events cause short term surface cooling. [8]
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 ...
La Niña is a natural climate pattern that influences global weather marked by cooler than average ocean temperatures in the equatorial Pacific. The effects on weather are most pronounced during ...
The phenomenon is not caused by climate change, FAO's technical team told Reuters, but experts have seen that the effects of the weather pattern, such as rainfall, heat waves and drought, have ...
La Niña tends to produce favorable atmospheric conditions to allow storms to form and hold together in the Atlantic. Early this month, forecasters at Colorado State University released their most ...
[8] [9] [10] Despite the La Niña background to the Pacific Climate, four El Niño events occurred during 2002–03, 2004–05, 2006–07, and 2009–10. The first three of these events were weaker, while the 2009-10 event was a strong El Niño, but had shorter effects than the 1997–98 event.
La Niña is partly defined by periods of below-average surface temperatures in the Pacific, as well as a northward shift of the jet stream — the atmosphere's racetrack for storms from the Pacific.