The World Meteorological Organization warns against this 2024 may be hotter than 2023, Since El Niño usually has the greatest impact on global temperatures after it reaches its peak.
This body has officially confirmed this 2023 is hottest year on record 'by a large margin'. The average annual global temperature has approached 1.5°C above pre-industrial levels, which is symbolic because the Paris climate change agreement aims to limit long-term temperature rise (averaged over decades rather than an individual year such as 2023) by Not more than 1.5°C. percent above pre-industrial levels, it said in a statement.
Six international datasets Global temperatures used to monitor global temperatures and standardized by the World Meteorological Organization show that the average annual global temperature was 1.45 +/- 0.12°C above pre-industrial levels (1850-1900) in 2023. Every month between June and December global levels set new monthly records. July and August were the hottest months on record.
“The transition from La Niña cooling to El Niño warming (oscillations with a global influence on the surface temperature of the tropical Pacific Ocean) by mid-2023 is clearly reflected in an increase in temperature compared to last year. Since El Niño usually has the greatest impact on temperatures Global temperature after reaching its peak, And 2024 could be even hotter“said the Secretary-General of the World Meteorological Organization, Celeste Saulo.
Accelerating the transition to renewable energy
“Climate change is the greatest challenge facing humanity. It affects us all, especially the most vulnerable. We can't wait any longer. We have already taken action, but we have to do more and we have to do it quickly. “We need to make radical reductions in greenhouse gas emissions and accelerate the transition to renewable energy sources,” he said.
Since the 1980s, each decade has been warmer than the one before. The past nine years have been the warmest on record. 2016 (strong El Niño) and 2020 were previously ranked as the hottest on record, with 1.29 +/- 0.12°C and 1.27 +/- 0.12°C above the pre-industrial era.
Based on the six data sets, the 10-year average 2014-2023 was 1.20 +/- 0.12 °C above the 1850-1900 average, allowing for a margin of uncertainty.
“Humanity’s actions are burning the Earth. 2023 was just a preview of the catastrophic future that awaits us if we do not act now. We must respond to record temperature increases with innovative measuressaid UN Secretary-General António Guterres.
Extensive monitoring network
The WMO standardized figures rely on six international datasets to provide an official temperature assessment. 2023 ranked as the warmest year in all six datasets.
The World Meteorological Organization uses datasets based on climate data from Observation sites, ships and buoys in global marine networksdeveloped and maintained by the US National Oceanic and Atmospheric Administration (NOAA), the NASA Goddard Institute for Space Studies (NASA GISS), the UK Met Office, the Hadley Centre, the University of East Anglia's Climatic Research Unit (HadCRUT) and the Berkeley Earth Group. .
The World Meteorological Organization also uses reanalysis datasets from the European Center for Medium-Range Weather Forecast, the Copernicus Climate Change Service, and the Japan Meteorological Agency (JMA). The reanalysis combines millions of meteorological and marine observations, including those from satellites, using a meteorological model to produce a complete reanalysis of the atmosphere.
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