2023-06-09 01:17:56
El Niño is expected to worsen weather conditions in several parts of the world, where the risk of heavy rains and droughts may increase.
weather phenomenon The boy It has officially returned and is likely to bring extreme weather, from tropical cyclones on vulnerable Pacific islands to heavy rains in South America and droughts in Australia and parts of Asia, the US Oceanic and Atmospheric Administration (NOAA) said Thursday. (08.06.2023).
El Niño is characterized by the warming of the surface of the equatorial eastern Pacific Ocean and occurs every 2 to 7 years on average.
“Depending on its strength, El Niño can cause a variety of impacts, including increasing the risk of heavy rainfall and drought in some parts of the world,” said NOAA climatologist Michelle L’Heureux, adding that it could also cause record temperatures. .
In May, the World Meteorological Organization (WMO) forecast that the period 2023-2027 would be the hottest ever recorded on Earth, under the combined effect of El Niño and global warming caused by greenhouse gas emissions.
In general, the phenomenon tends to moderate hurricane activity in the Atlantic, but favors them in the Pacific, according to NOAA. Australia warned this week that El Nino will increase temperatures in a country already vulnerable to bushfires.
For its part, the La Niña phenomenon, which on the contrary tends to cause a drop in temperatures, arrived three years ago.
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