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The beginning of June was the warmest on record. According to preliminary surveys, the entire month of June globally will be the hottest in the historical series in the JRA-55 dataset. The thermal anomaly of +0.52°C during 1991-2020 exceeds the previous record of +0.32°C in June 2019 and +0.28°C in 2016 after the Super El Nino event. The last month of June is below the average from 2008. This record can also be confirmed in the ERA5 dataset. It is very likely that June 2023 will be the hottest on record in many countries.
According to NCEP, the daily ground data average for July 3 of 17.01°C is a value that has never been recorded. in the data set since 1979 and possibly earlier. The previous degree was 16.90°C recorded on July 24, 2022 and August 13, 2016. With a record heat in June, 2023 is set to be the hottest year on record.
June is also marked by intense heat waves over Mexico and Texas, as well as unprecedented fires in Canada, and fires so strong that the smoke has reached Europe and even Italy.
Also record heatwaves in the ocean, Particularly in the Atlantic where the type of restricted circulation and weak trade winds brought record values. These marine heat waves, with surface deviations of up to 5-6 degrees Celsius over the North Sea, in turn increased land temperatures to the record levels observed during the month.
Sea ice in Antarctica continues to break records After hitting an all-time low for the summer. During the freeze, it hit a record low for the time of year, so much so that the re-freeze was a month behind schedule.
This global warming, which has various repercussions, is due to several factors. The primary trend of global warming is above all the warming of the outer regions resulting from 3 consecutive years of La Niña and to which the El Niño warming is added. El Nino also worked on the siege positions that characterized the month in the northern hemisphere.
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