A powerful El Niño event is currently developing in the tropical Pacific, with researchers studying its potential interactions with a warming global climate.
Key facts
- •NOAA forecasts a 100 percent probability of an extremely strong El Niño through December.
- •The current event has already set multiple daily heat records, reaching a peak of 3.4 degrees Celsius.
- •The projected three-month heat peak of 2.7 degrees Celsius would surpass the 1982-1983 record of 2.4 degrees Celsius.
- •Research using ancient coral data shows an uptick in El Niño amplitude corresponding to the rise in human greenhouse gas emissions.
- •UN Secretary-General António Guterres warned that El Niño conditions will exacerbate the impacts of a warming world.
A "super" El Niño is currently forming in the tropical Pacific, with forecasts predicting it will reach record-breaking strength this winter. The US National Oceanic and Atmospheric Administration (NOAA) projects a 100 percent chance of an extremely strong event through December. This phenomenon is expected to cause significant shifts in global weather patterns, with researchers actively studying how it interacts with human-driven climate change.
By the numbers
Record-Breaking Heat Forecast
NOAA predicts that sea surface temperatures could peak at 2.7 degrees Celsius above normal for the October to December period. If this forecast is realized, it would exceed the previous record of 2.4 degrees Celsius set during the 1982-1983 event. The current El Niño has already recorded a daily peak of 3.4 degrees Celsius.
Climate Change and El Niño Interaction
Researchers are investigating the link between climate change and the intensity of El Niño. While some climate models suggest El Niño amplitude increases in a warming climate, experts note that the relationship is complex. Paleoclimate records from ancient coral indicate that the current period is more active than the last several thousand years, mirroring the timeline of increased greenhouse gas emissions.
Global Impacts and Risk Management
The combination of an intense El Niño and a warmer climate is expected to produce severe weather impacts, including increased drought risks in the Amazon and Indonesia, and higher precipitation in the US Southwest. These shifts pose risks to ecosystems, such as coral reef bleaching, and global economic stability. International organizations, including the United Nations, have called for urgent adaptation measures to address these risks.
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This article was independently rewritten by ManyPress editorial AI from reporting originally published by Wired.
