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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 ...
La Niña is known to enhance hurricane activity in the Atlantic basin, according to NOAA. Much of the impact is due to La Niña’s effects on wind shear and atmospheric conditions over the Atlantic.
La Niña causes mostly the opposite effects of El Niño: above-average precipitation across the northern Midwest, the northern Rockies, Northern California, and the Pacific Northwest's southern and eastern regions. [196] Meanwhile, precipitation in the southwestern and southeastern states, as well as southern California, is below average. [197]
La Niña has the opposite effect, with unusually cold waters in the same area. The weather pattern, which means "the little girl" in Spanish, occurs every three to five years and typically lasts ...
La Niña comes with other challenges, as well, including ties to the forecasted active Atlantic hurricane season, which is expected to deliver as many as 25 named storms.
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 ...
“The likelihood of a La Nina coupled with record warm sea surface temperatures is the reason the National Hurricane Center is forecasting an extraordinary hurricane season,” said Kathie Dello ...
The 2010–2012 La Niña event was one of the strongest on record. It caused Australia to experience its wettest September on record in 2010, and its fourth-wettest year on record in 2010. [ 2 ] [ 3 ] It also led to an unusual intensification of the Leeuwin Current , [ 4 ] the 2010 Pakistan floods , the 2010–2011 Queensland floods , and the ...