the Copernicus Climate Change Service It was the warmest August on record and the second-warmest after July 2023, according to the ERA 5 dataset. Estimates suggest that August as a whole will be about 1.5 degrees warmer than the pre-industrial average from 1850 to 1900, according to For the C3S monthly climate newsletter.
Even without El Niño, the heat was terrible
The year so far (January to August) is the second hottest on record after 2016, when a strong El Niño warming phenomenon occurred. The month of August as a whole recorded the highest global average monthly sea surface temperature ever, reaching 20.98 degrees Celsius. The temperature exceeded the previous record (March 2016) every day in August – She writes the news page of the World Meteorological Organization (WMO)..
Antarctic sea ice extent remained at a record low for the season, with the monthly value 12% below average, the largest negative August anomaly since satellite observations began in the late 1970s. The extent of Arctic sea ice was 10 percent below average, but well above the record low recorded in August 2012.
NASA has identified signs of devastating warming from space: We are facing an extremely hot summer
The World Meteorological Organization integrates data from C3S and five other international datasets for climate monitoring activities and state-of-the-climate reports.
According to a May report by the World Meteorological Organization and the UK Met Office There is a 98% chance that at least one of the next five years will be the hottestThere is a 66% chance that it will temporarily exceed the 1850-1900 average by 1.5°C in at least one year out of every five years. This does not mean that we will permanently exceed the 1.5 degree level set in the Paris Agreement, which indicates a long-term rise in temperatures over many years.
Average daily sea surface temperature (°C) in the North Atlantic in 2023 (solid red line) and for the years 1979-2022. Data: ERA5 / Source: Copernicus Climate Change Service/ECMWF
Serious allegations
“Our planet has just experienced a hot season, the hottest summer on record. The climate is starting to break down. Scientists have long warned of what our dependence on fossil fuels is unleashing. Rising temperatures call for quick action. Leaders must step up climate action now. Maybe we can avoid the worst of climate chaos and we don’t have time to waste. said UN Secretary-General António Guterres.
WMO Secretary-General, Professor Pétri Taalas, added: “The Northern Hemisphere has experienced an extreme summer. Recurring heatwaves have caused devastating wildfires, damaged health, disrupted daily life, and caused lasting damage to the environment. In the Southern Hemisphere, the extent of Antarctic sea ice is literally off the mapGlobal sea surface temperature once again set a new record. It is worth noting that all of this happens before the full thermal effect of the El Niño phenomenon appears, which usually occurs in the second year after its formation.
Carlo BontempoThe director of ECMWF’s Copernicus Climate Change Service added: “Based on the first eight months of 2023, we are experiencing the second warmest year on record, which is slightly lower than 2016. August is estimated to be around 1.5°C. It was a degree warmer than the Pre-industrial. We can notice not only new extremesBut also the persistence of these record conditions and their impact on people and the planet, which is clearly a result of the warming of the climate system.
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