This article examines the looming possibility of a powerful “super” El Niño next year, what climate scientists and models are saying, and how an extreme warm Pacific could interact with human-caused warming to push global temperatures higher and reshape weather patterns around the world.
Drawing on analyses from NCAR and the International Research Institute for Climate and Society (Columbia University), the piece translates complex forecast probabilities into what societies may face in terms of heat, rainfall, drought, and disruption.
What makes this El Niño potentially a “super” event
El Niño describes unusually warm surface waters in the eastern Equatorial Pacific and is a recurring feature of the global climate system.
In recent analyses, including those from NCAR, this event is flagged as potentially the strongest El Niño in roughly 140 years, raising concerns about how it could amplify global warming already underway from human activity.
Experts warn that the combination of a powerful El Niño with ongoing anthropogenic warming could push temperatures beyond policy-relevant thresholds, including a move past the 1.5°C mark and possibly toward 2°C above preindustrial levels.
During 2024, global temperatures hovered around 1.55°C above preindustrial averages, aided by a temporary El Niño that demonstrated how these events can magnify warming.
Forecasts and confidence
The projection outlooks from major climate institutions suggest a high likelihood of El Niño developing in the coming months and persisting through much of the year.
The International Research Institute for Climate and Society (Columbia) estimates roughly a 70% chance of El Niño by June and up to a 94% probability it will endure through year-end.
While no forecast can predict every regional outcome with certainty, scientists emphasize that the probability of unusual temperature spikes and record-warm spells remains nonzero.
Global temperature implications and the climate context
Even in a warming world, El Niño events act as a global “booster” for surface temperatures.
The current trajectory suggests that a very strong El Niño could temporarily lift global averages higher than earlier projections, increasing the frequency and intensity of extreme heat episodes.
Researchers emphasize that El Niño is not the only driver of change—human-caused warming sets a higher baseline, so the combination could push the climate system into uncharted territory for some regions.
Thresholds, risks, and uncertainties
Scientists caution that while historical analogues help frame expectations, the exact impacts remain uncertain and regionally diverse.
A powerful El Niño could amplify already rising temperatures, increase the likelihood of record-hot months, and contribute to more intense precipitation in some areas while intensifying droughts in others.
The prospect of crossing the 1.5°C threshold—and potentially moving toward 2°C in a multi-year context—depends on how strongly the El Niño event couples with ongoing greenhouse gas forcing and regional climate feedbacks.
Regional impacts and societal risks
El Niño events typically reorder weather hazards across continents.
While models vary in their exact regional projections, certain patterns are repeatedly highlighted by researchers: heavier rainfall and flooding in parts of South America and the United States, with the possibility of extreme weather episodes in some locations; and drought intensification in Australia and Indonesia.
The convergence of a powerful El Niño with long-term warming could stress water resources, disrupt agriculture, increase wildfire risk in susceptible regions, and strain infrastructure and disaster response systems.
Key regional patterns to watch
- Heavier precipitation and flooding prioritized in sections of South America and parts of the United States.
- This could challenge flood defenses and infrastructure.
- Severe droughts in Australia and Indonesia.
- These conditions impact water security, agriculture, and energy demand.
- Increased heat extremes in other regions.
- This elevates health risks and strains power systems during peak demand weeks.
- Wider societal disruptions include impacts on food prices and supply chains.
- Community resilience may be tested as weather becomes more volatile.
Here is the source article for this story: Global temps could hit record highs amid apocalyptic ‘Super El Niño’, scientists predict