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C3S: 2024 likely to be hottest on record over string of record temperature
The Copernicus Climate Change Service (C3S) said the string of record temperatures is increasing the likelihood of 2024 being the hottest year on record.
According to Samantha Burgess, Deputy Director of the Copernicus Climate Change Service (C3S), said “During the past three months of 2024, the globe has experienced the hottest June and August, the hottest day on record, and the hottest boreal summer on record. This string of record temperatures is increasing the likelihood of 2024 being the hottest year on record. The temperature-related extreme events witnessed this summer will only become more intense, with more devastating consequences for people and the planet unless we take urgent action to reduce greenhouse gas emissions.”
August 2024 was the joint-warmest August globally (together with August 2023), with an average ERA5 surface air temperature of 16.82°C, 0.71°C above the 1991-2020 average for August.
August 2024 was 1.51°C above the pre-industrial level and is the 13th month in a 14-month period for which the global-average surface air temperature exceeded 1.5°C above pre-industrial levels.
The global-average temperature for the past 12 months (September 2023 – August 2024) is the highest on record for any 12-month period, at 0.76°C above the 1991–2020 average and 1.64°C above the 1850–1900 pre-industrial average. These values are identical to those recorded for the previous two 12-month periods, ending in June and July 2024.
The year-to-date (January–August 2024) global-average temperature anomaly is 0.70°C above the 1991-2020 average, which is the highest on record for this period and 0.23°C warmer than the same period in 2023. The average anomaly for the remaining months of this year would need to drop by at least 0.30°C for 2024 not to be warmer than 2023. This has never happened in the entire ERA5 dataset, making it increasingly likely that 2024 is going to be the warmest year on record.
Arctic sea ice extent was 17% below average, ranking fourth lowest for August in the satellite record, distinctly further below average than the same month for the previous three years.
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