What's Happening: The Increase in Probability of a 'Super El Niño'
The probability of the current El Niño becoming a 'Super El Niño' has increased significantly, according to the National Oceanic and Atmospheric Administration (NOAA) of the United States. A new analysis by the NOAA's Climate Prediction Center (CPC) indicates that there is an 81% chance of the phenomenon becoming very strong between October and December, a significant increase from the 63% probability estimated about a month ago.
Additionally, this year's El Niño has a 97% chance of extending until March 2027, which could make it one of the strongest in 75 years, according to Bloomberg. The expectation is that this event will be one of the strongest on record, with only seven El Niño events in the last 75 years being classified as very strong.
Why it Matters: The Climatic and Social Implications
A stronger El Niño does not necessarily translate into more severe climatic consequences, but it increases the chances of the occurrence of the most characteristic impacts of the phenomenon, such as storms, droughts, or more intense heatwaves, depending on the region of the planet. In Brazil, El Niño usually causes drought in the North, Northeast, Central-West, and part of the Southeast, and more rainfall in the South.
Furthermore, the combination of El Niño with climate change can intensify the risks, especially in vulnerable regions. The arrival of El Niño has also put the federal government on alert, as it seeks to prepare for the possible consequences, including the prevention of forest fires, which were a major challenge in 2024.
The Mechanism Behind El Niño: The Science Behind the Phenomenon
El Niño is a natural climatic phenomenon that occurs when the surface temperature of the sea in the Equatorial Pacific increases above average. This can have significant impacts on the global climate, including the alteration of precipitation and temperature patterns. NOAA uses several climate models, including the CFSv2, to monitor and predict El Niño.
The change in the scale of the graph used to track the evolution of El Niño, from 4°C to 5°C, does not mean that the agency has started to officially predict an El Niño with anomalies above 4°C. However, the need to expand the scale of the graph shows how much the model's projections have intensified in recent months.
Broad Context: How This Compares to Past Events and Trends
El Niño is a recurring phenomenon that occurs every 2 to 7 years. However, the frequency and intensity of El Niño events can vary significantly from one year to another. NOAA and other global climate agencies closely monitor El Niño and other climatic phenomena to better understand climate patterns and trends.
Understanding these patterns and trends is crucial for predicting and preparing for climatic impacts, especially in vulnerable regions. Additionally, continuous research and monitoring of El Niño and other climatic phenomena help improve our understanding of the complexity of the global climate system.
What Happens Next: Implications and Open Questions
With the probability of a 'Super El Niño' increasing, it is essential that governments, communities, and individuals be prepared for the possible consequences. This includes the prevention of forest fires, water resource management, and preparation for storms and heatwaves.
Furthermore, continuous research and monitoring of El Niño and other climatic phenomena are essential for better understanding climate patterns and trends and for developing effective adaptation and mitigation strategies.
Conclusions and Perspectives
The increase in probability of a 'Super El Niño' is an important reminder of the complexity and uncertainty of the global climate system. It is fundamental that we continue to monitor and study climatic phenomena to better understand patterns and trends and to develop effective adaptation and mitigation strategies.
Additionally, international cooperation and collaboration between governments, communities, and individuals are essential for addressing climate challenges and building a more sustainable and resilient future.
Source / Reference
Original URL: https://climainfo.org.br/2026/07/09/chance-de-um-super-el-nino-no-fim-do-ano-sobe-para-81-diz-a-noaa/
Source: ClimaInfo