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2023 recorded lots of the hottest days on land and sea | Data


View of an iceberg tail on the Gerlache Strait -which separates the Palmer Archipelago from the Antarctic Peninsula, on January 15, 2024.
| Photo Credit: JUAN BARRETO

The 12 months 2023 was the most popular on report and certain the warmest in 1,00,000 years, in accordance with the European Union’s Copernicus Climate Change Service (C3S). Regions reminiscent of Europe, North America, and China skilled record-breaking warmth.

Several elements made 2023 the warmest 12 months on report, with escalating ranges of greenhouse gases enjoying the most important position. Additional elements contributing to the report included pure phenomena reminiscent of El Nino, a brief warming within the central Pacific affecting international climate patterns, in addition to different oscillations within the Arctic, Southern, and Indian Oceans.

The international common temperature in 2023 was 14.98°C, which was 0.17°C greater than the earlier highest annual common in 2016. The planet was additionally 1.48° Celsius hotter than the pre-industrial common (1850-1900), very near the 1.5°C mark that nations agreed to not cross within the 2015 Paris Agreement.

Chart 1 | The chart exhibits the month-to-month international floor air temperature anomalies (°C) relative to the 1991-2020 common.

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According to the worldwide local weather highlights revealed by C3S, every month from June to December in 2023 was hotter than the corresponding months in any earlier 12 months on report. The temperature deviation of 0.93°C recorded in September 2023, in comparison with the September common in 1991–2020, was the most important deviation recorded in any month in any 12 months. Also, October, November and December 2023, every with a temperature deviation of 0.85°C above common, ranked second-largest when it comes to deviations.

Chart 2 | The chart exhibits the variety of days in a 12 months when the temperature deviation in comparison with the pre-industrial common was within the following ranges: 1°C to 1.25°C, 1.25°C to 1.5°C, and 1.5°C or extra.

The temperature deviation on all the times of 2023 was a minimum of 1°C over the pre-industrial common for that day. The earlier report was in 2019, which had 363 such days. In 2023, throughout two days, the temperature deviation was over the two°C, the primary time the two°C mark was breached in historical past. Close to 50% or 173 days in 2023 have been over 1.5°C hotter than the pre-industrial common. This was the case in simply over 20% or 77 days in 2016, the earlier warmest 12 months on report.

Last 12 months additionally witnessed record-breaking sea floor temperatures. According to C3S, every month from April to December skilled unprecedented international sea floor temperatures for the respective time of the 12 months. August 23 and 24 of 2023 recorded the best worth of 21.02°C surpassing the earlier report of 20.95°C set in March 2016. However, that report was damaged on January 11 this 12 months, with the worldwide common sea floor temperature reaching 21.06°C, additionally establishing a report anomaly of 0.77°C above the 1991-2020 common.

Chart 3 | The chart plots the every day international sea floor temperature anomalies relative to the 1991-2020 common.

Chart 4 | The chart exhibits the every day extent of Antarctic sea ice from October 1978 to December 2023, measured in million sq. km.

In eight months of 2023, Antarctic sea ice recorded traditionally low extents for the corresponding intervals. Both every day and month-to-month extents reached their all-time lows in February 2023. The common Antarctic sea ice extent in December 2023 was 9.3 million km2, a deviation of 1.7 million km2 (or 15%) under the December common for the interval 1991-2020, the second-lowest extent for any December within the 45-year knowledge obtainable. After unprecedented low values for six consecutive months (May-October), the every day extent moved in direction of values nearer to the 1991–2020 common across the center of December.

Source: Copernicus Climate Change Service and Climate Reanalyzer

Also learn: 2023 recap: Significant local weather milestones of the 12 months

Also watch our Data video: Watch | Data Point: Antarctica’s summer time ice cowl hits report low

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