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Why Were 2023 and 2024 So Hot?

Union of Concerned Scientists

The year 2023 was by far the warmest in Earths recorded history, and perhaps in the past 100,000 years , shattering the previous record set in 2016 by 0.27C (0.49F). According to recent data from NOAAs National Center for Environmental Information, 2024 is likely to be even warmer than 2023. But why were 2023 and 2024 so warm?

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WMO: Update on 2023/4 Anomalies

Real Climate

Readers will recall our previou s discussions on the anomalies in 2023 in particular, and the myriad of ideas that people have published to explain them. There is always something of course – the weather is variable – but for 2023 and 2024 the residuals were higher than for any other year in decades.

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Next Year Likely to Surpass 2023 as the Hottest Ever

Yale E360

With climate change and an incipient El Niño driving up temperatures, 2024 is likely to eclipse 2023 as the hottest year ever, meteorologists project. Read more on E360 →

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U.S. Saw a Record Number of Billion-Dollar Weather Disasters in 2023

Yale E360

In 2023, the U.S. experienced a record 25 billion-dollar weather and climate disasters — three more than the previous record, set in 2020. Read more on E360 →

2023 346
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Implementing D.E.J.I. Strategies in Energy, Environment, and Transportation

Speaker: Antoine M. Thompson, Executive Director of the Greater Washington Region Clean Cities Coalition

May 23rd, 2023 at 9:30 am PDT, 12:30 pm EDT, 5:30 pm BST Save your seat today!

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New journal: Nature 2023?

Real Climate

However, this is really just the beginning of what is likely to be a bit of a cottage industry in the next few months relating to possible causes/influences on the extreme temperatures seen in 2023. W/m 2 over 2022-2023″ (i.e. W/m2 forcing, and a warming in 2023 of ~0.04ºC. The difference in TSI in 2023 is around 0.55

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2023 Atlantic Hurricane Season—a Wrap (Maybe)

Union of Concerned Scientists

A 2023 study states that, “The number of storms that intensify from a Category 1 hurricane (or weaker) into a major hurricane within 36 hours has more than doubled,” in 2001–2020 compared with 1971–1990. I wrote once that the US may feel “lucky” for not seeing many landfalling hurricanes in any given year.

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