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US meteorological officials announced that the earth hissed in July, becoming the hottest month on record in 142 years.
According to the US National Oceanic and Atmospheric Administration, as extreme heat waves hit the United States and parts of Europe, the global average temperature last month was 16.73 degrees Celsius (62.07 degrees Fahrenheit), breaking the record set in July 2016, and in 2019 and 2020 Tied again this year. on Friday.
The margin is only 0.01C (.02F).
The National Oceanic and Atmospheric Administration climatologist Ashila Sanchez-Lugo said that the last seven Julys from 2015 to 2021 are the seven hottest July on record. The temperature last month was 0.93 degrees Celsius (1.67 degrees Fahrenheit) higher than the 20th century average.
“In this case, the first place is the worst place,” Rick Spinrad, director of the National Oceanic and Atmospheric Administration, said in a press release. “This new record adds to the disturbing and destructive path that climate change has set for the world.”
Michael Man, a climate scientist at Pennsylvania State University, said “This is climate change.”
Mann said: “This is an exclamation point for an unprecedented summer of heat, drought, wildfires and floods.”
Earlier this week, a famous United Nations science team warn of Climate change worsens Caused by human activities such as burning coal, oil and natural gas.
Sanchez-Lugo said that the warming of the land in western North America and parts of Europe and Asia has indeed contributed to record high temperatures. She added that although the global temperature is only slightly higher than the record, the land temperature in the northern hemisphere has broken this record.
Sanchez-Lugo said that the temperature in the northern hemisphere was one third of a degree (0.19 degrees Celsius) higher than the previous record set in July 2012, which is a “very big gap” for the temperature record.
July is the hottest month of the year in the world, so it is also the hottest month on record.
The National Oceanic and Atmospheric Administration climatologist said that one of the factors that helped the world to bake this summer is the natural weather cycle called the Arctic Oscillation, which is a close relative of the El Niño phenomenon and is associated with more warming in its positive phase. .
Even with the hot July and the annoying June, so far this year is only the sixth hottest on record. Sanchez-Lugo said that this is mainly because 2021 starts to be colder than in recent years, because the La Niña phenomenon causes cold La Niña in the central Pacific, which usually lowers the global average temperature.
“One month by itself doesn’t tell much, but this is a La Niña year and we still have the warmest temperature on record… in line with what we have seen for most of the past decade,” the university said. Donald Wubles, professor of meteorology in Illinois.
‘more serious’
Spinrad of the US National Oceanic and Atmospheric Administration said the cause of extreme changes in weather conditions is a very familiar phenomenon.
“The extreme events we have seen around the world-from record-breaking heat waves to extreme rains to raging wildfires-are long-term predictions and well-known effects of world warming,” he said.
“Until the world reduces emissions of carbon dioxide and other greenhouse gases to net zero, they will continue to get worse.”
Although the world set a record in July, the United States only set the 13th hottest record on record in July. Although California, Nevada, Oregon and Washington have experienced the hottest July, Texas, Oklahoma, Kansas, Arkansas, Missouri, Alabama, Maine, Temperatures in Vermont and New Hampshire were slightly lower than normal months, but the country’s high temperature levels did not approach record levels.
The last time the global temperature in July was below the 20th century average was in 1976, which was also the last year when the global temperature was below normal.
“So if you are less than 45 years old, you have not seen a year [or July] The average temperature of the earth is lower than the average temperature of the 20th century,” said Gabriel Vecchi, a climate scientist at Princeton University.
According to the US National Oceanic and Atmospheric Administration, Asia experienced the hottest July in history, surpassing 2010, while July in Europe was the second hottest, only lagging behind 2018.
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