The Copernicus Local weather Change Service (C3S), carried out by the European Centre for Medium-Vary Climate Forecasts on behalf of the European Fee with funding from the EU, routinely publishes month-to-month local weather bulletins reporting on the modifications noticed in world floor air and sea temperatures, sea ice cowl and hydrological variables. All of the reported findings are based mostly on computer-generated analyses and in line with ERA5 reanalysis dataset, utilizing billions of measurements from satellites, ships, plane and climate stations around the globe.
January 2024 – Floor air temperature and sea floor temperature highlights:
- January 2024 was the warmest January on file globally, with a median ERA5 floor air temperature of 13.14°C, 0.70°C above the 1991-2020 common for January and 0.12°C above the temperature of the earlier warmest January, in 2020.
- That is the eighth month in a row that’s the warmest on file for the respective month of the 12 months.
- The worldwide temperature anomaly for January 2024 was decrease than these of the final six months of 2023, however larger than any earlier than July 2023.
- The month was 1.66°C hotter than an estimate of the January common for 1850-1900, the designated pre-industrial reference interval.
- The worldwide imply temperature for the previous twelve months (Feb 2023 – Jan 2024) is the very best on file, at 0.64°C above the 1991-2020 common and 1.52°C above the 1850-1900 pre-industrial common.
- European temperatures assorted in January 2024 from a lot under the 1991-2020 common over the Nordic international locations to a lot above common over the south of the continent.
- Outdoors Europe, temperatures had been effectively above common over japanese Canada, north-western Africa, the Center East and Central Asia, and under common over western Canada, the central USA and most of japanese Siberia.
- El Niño started to weaken within the equatorial Pacific, however marine air temperatures generally remained at an unusually excessive stage.
- The typical world sea floor temperature (SST) for January over 60°S–60°N reached 20.97°C, a file for January, 0.26°C hotter than the earlier warmest January, in 2016, and second highest worth for any month within the ERA5 dataset, inside 0.01°C of the file from August 2023 (20.98°C).
- Since 31 January, the each day SST for 60°S–60°N has reached new absolute information, surpassing the earlier highest values from 23rd and 24th of August 2023.
Day by day sea floor temperature (°C) averaged over the extra-polar world ocean (60°S–60°N) for 2015 (blue), 2016 (yellow), 2023 (pink), and 2024 (black line). All different years between 1979 and 2022 are proven with gray traces. Information supply: ERA5. Credit score: Copernicus Local weather Change Service/ECMWF.
Based on Samantha Burgess, Deputy Director of the Copernicus Local weather Change Service (C3S): “2024 begins with one other record-breaking month – not solely is it the warmest January on file however we now have additionally simply skilled a 12-month interval of greater than 1.5°C above the pre-industrial reference interval. Fast reductions in greenhouse gasoline emissions are the one method to cease world temperatures rising.”
January 2024 – Sea Ice highlights
- Arctic sea ice extent was near common, and the very best for January since 2009.
- Sea ice concentrations had been above common within the Greenland Sea (a persistent characteristic since October) and Sea of Okhotsk whereas below-average concentrations prevailed within the Labrador Sea.
- Antarctic sea ice extent was the sixth lowest for January, at 18% under common, effectively above the bottom January worth recorded in 2023 (-31%).
- Beneath-average sea ice concentrations prevailed primarily within the Ross and Amundsen Seas, northern Weddell Sea, and alongside the coast of East Antarctica.
January 2024 – Hydrological highlights:
- In January 2024, it was wetter than common in massive components of Europe, with storms impacting north- and south-western Europe
- Drier-than-average circumstances had been seen in south-eastern and northern Spain and the Maghreb, southern UK, Eire, japanese Iceland, most of Scandinavia, a part of north-western Russia, and the japanese Balkans.
- Past Europe, it was wetter than common in a number of areas, together with western and south-eastern USA, a big area of Eurasia, south-eastern South America, southeast Africa and northern and japanese Australia.
- Drier-than-average circumstances had been seen throughout components of western and southern North America, Canada, the Horn of Africa, the Arabian Peninsula, and south-central Asia. Australia and Chile noticed the dry circumstances contribute to wildfires.
- Picture by Li-An Lim on Unsplash
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