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The End of El Niño Might Make the Weather Even More Extreme


The shift from El Niño to La Niña will see temperatures drop, but when one weather system swings to the other, summers tend to be hotter than average—meaning 2024 could be even warmer and wilder than last year.

The driving forces behind these projections include the alternating Pacific Ocean climate patterns known as El Niño and La Niña, which can create huge shifts in temperature and precipitation across the North and South American continents. During an El Niño, shifting trade winds allow a thick layer of warm surface water to form in the Pacific Ocean, which, in turn, transfers a huge amount of heat into the atmosphere. While the National Interagency Fire Center expects lower-than-average odds of a big blaze in California this year, in part due to El Niño bringing unusually high rainfall to the state, other places may not be so lucky.

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