The United Nations World Meteorological Organization (WMO) said today, Tuesday, that the weather phenomenon known as El Niño had developed in the Pacific Ocean for the first time in seven years, warning of a record rise in temperatures and intense heat all over the world, such as this weather phenomenon. Comes on top of the current heat and extreme weather events related to the effects of climate change.
- El Niño, which occurs every two to seven years, occurs when easterly winds that push warm surface water into the Pacific Ocean weaken, meaning that warm water spreads across the ocean and that some of the heat normally absorbed by the ocean is released into the atmosphere, causing a rise in global temperatures.
- This phenomenon usually lasts from nine to twelve months, but can last longer, historically increasing precipitation to parts of southern South America, Africa, Central Asia, and the southern United States, while causing droughts in Australia, Indonesia, and parts of southern Asia, America Central and northern South America, notes the World Meteorological Organization.
- The return of El Niño “will greatly increase the likelihood of breaking temperature records and causing more extreme heat in many parts of the world and in the ocean,” said WMO Secretary-General Professor Petteri Taalas, in a statement on Tuesday. The agency projects that there is a 98% chance that one of the next five years will be the warmest on record, breaking the record set in 2016 during the last El Niño episode.
- Besides increasing heat, El Niño also creates a risk of wildfires and wildfires, as well as food shortages, as changes in weather can affect crops and the global food supply. Politico reports that it could affect Pacific fish supplies and global grain production, among other things.
- The World Health Organization predicted in June that these weather conditions would contribute to the spread of diseases such as dengue, Zika and chikungunya.
- According to the World Meteorological Organization (WMO), there is a 90% chance that the El Niño phenomenon will continue in the second half of 2023, but it is likely that the highest temperatures will be recorded next year, in 2024, as the organization (WMO) notes that the effect of this The effect on global temperatures generally becomes apparent in the year following the onset of El Niño.
A large number
3,000 billion dollars (2,700 billion euros). That’s how much the current El Niño could cost the global economy through 2029, according to a study released in May by researchers at Dartmouth University.
“The World Meteorological Organization’s El Niño declaration is a signal to governments around the world to prepare to reduce impacts on our health, ecosystems and economies,” Taalas said. “Early warnings and early action in the event of extreme weather events associated with this major weather phenomenon are essential to saving lives and livelihoods.”
El Niño generally makes hurricanes more likely to form in the Pacific Ocean while making them more difficult to form in the Atlantic Ocean. Robert Lemon, a research associate at the University of Maryland, told Politico that the Atlantic Ocean has been “abnormally warm this year.” This could counteract the effects of El Niño and suggest that the hurricane season will continue to be more intense.
The WMO alert confirms previous statements by other national agencies, including the US National Oceanic and Atmospheric Administration (NOAA), that El Niño conditions are present. The appearance of El Niño comes at a time when the world is already facing extreme heat due to the effects of climate change, which appeared even when the planet was experiencing a cooler climate system: La Niña. The past eight years have been the hottest on record globally, and the World Meteorological Organization’s (WMO) announcement on Tuesday comes as the United States grapples with wildfire smoke and sweltering heat these days, marking the July 4th holiday and basking American cities. Record temperatures this summer. According to an Australian study published in May, climate change has likely made El Niño and La Niña events “more frequent and extreme,” although experts quoted by The Guardian said it was not yet clear how much worse the current El Niño would get.
Translated article from the American magazine Forbes – Author: Allison Durky
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