El Nino phenomenon returns, the world prepares to face the risk of record heat

April 21, 2023 07:20

Many scientists warn that the world could set a new average temperature record in 2023 or 2024 due to the impact of climate change and the El Nino phenomenon.

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People "cool off" under cooling mist machines in Japan. Photo: Reuters

Reuters news agency (UK) reported on April 20 that based on climate models, after 3 years of La Nina phenomenon in the Pacific Ocean, El Nino phenomenon will return, predicted to be at the end of this year.

With El Nino, westerly winds along the equator slow down and warm water is pushed eastward creating warmer temperatures at the sea surface.

“El Nino is often associated with record-breaking temperatures globally. It is not yet clear whether this will happen in 2023 or 2024,” said Carlo Buontempo, director of the European Union’s Copernicus Climate Change Service. Buontempo added that climate models show a strong El Nino is likely to develop later this year.

The world's hottest year on record was 2016, which coincided with a strong El Nino. However, according to Reuters, climate change also leads to extreme temperatures in years without El Nino.

The last eight years have also been the eight warmest years on record globally, reflecting a long-term warming trend due to greenhouse gas emissions.

Cây ngô sau hạn hán dài tại Buenos Aires, Argentina ngày 24/1/2022. Ảnh: Reuters

Corn plants after a long drought in Buenos Aires, Argentina on January 24, 2022. Photo: Reuters

Mr. Friederike Otto at the Grantham Institute of Imperial College London (UK) assessed that high temperatures caused by El Nino could aggravate the effects of climate change on countries that are suffering from this situation, including severe heat waves, droughts and forest fires.

If El Nino does develop, it's possible 2023 could be even hotter than 2016, Otto predicts.

Scientists at the Copernicus Climate Change Service have just published a report on the world's climate extremes in 2022, the fifth year with the highest temperature on record. Of which, 2022 was the year with the hottest summer in Europe and climate change contributed to heavy rains that led to catastrophic flooding in Pakistan. In February 2022, sea ice in Antarctica recorded a record low.

The average global temperature is now 1.2 degrees Celsius higher than pre-industrial times.

According to Tin Tuc newspaper

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El Nino phenomenon returns, the world prepares to face the risk of record heat