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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 or El Niño are never the only factors influencing weather in a given season or location, but emphasis is placed on them because they typically have an outsized effect on winter weather ...
A weak La Niña is less likely to have a significant impact on weather patterns during the winter and spring. A typical La Niña pattern would usually bring an overall wetter, cooler winter to the ...
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 ...
Last winter (2023-2024) was an El Niño winter marked by cooler and wetter weather for the southern states. The last La Nina ended in 2023 after an unusual three-year stretch. What about the rest ...
The National Oceanic and Atmospheric Administration’s Climate Prediction Center says there is a 60% chance that a weak La Nina event will develop this autumn and could last until March. La Nina is part of a natural climate cycle that can cause extreme weather across the planet — and its effects vary from place to place.
For context, La Niña usually brings wetter-than-average winter conditions to the Pacific Northwest and Ohio Valley, while the nation's southern tier tends to skew drier. la_nina_pattern_precip.png
The effects of El Niño on rainfall in southern Africa differ between the summer and winter rainfall areas. Winter rainfall areas tend to get higher rainfall than normal and summer rainfall areas tend to get less rain. The effect on the summer rainfall areas is stronger and has led to severe drought in strong El Niño events. [174] [175]