A powerful shift is building deep in the Pacific Ocean, and scientists across the world are watching closely. Early forecasts suggest that a potentially intense El Niño event could develop in 2026, raising concerns that global temperatures may surge to dangerous levels and trigger a wave of extreme weather events worldwide.
Experts say it is still too early to confirm the full strength of the event, but current climate models are pointing toward the possibility of what is often referred to as a “super” El Niño an unusually strong version of the natural climate cycle that has historically been linked to record-breaking heat, droughts, floods and powerful storms.
El Niño is a naturally occurring phenomenon in which surface waters in the central and eastern Pacific Ocean become significantly warmer than usual. It typically appears every two to seven years and can last close to a year. This warming disrupts global weather systems, shifting rainfall patterns, altering wind circulation and intensifying climate extremes in different parts of the world.
At present, the planet is transitioning out of La Niña conditions which are associated with cooler ocean temperatures into a neutral phase. However, new forecasts from leading research centres indicate a rapid movement toward El Niño conditions. Some projections suggest there is up to a 94 percent probability that El Niño will persist through the end of the year once it forms.
What is raising alarm among scientists is not just the likelihood of El Niño forming, but the possibility that it could become exceptionally strong. A “super” El Niño typically involves ocean temperature increases exceeding 2 degrees Celsius above normal levels. Such events are rare but have historically had devastating global impacts.
Scientists warn that if a strong El Niño develops alongside ongoing human-driven global warming, the combined effect could push global temperatures beyond critical thresholds. There is concern that the world could temporarily exceed the widely discussed 1.5 degrees Celsius warming limit above pre-industrial levels a benchmark associated with severe climate risks. Some models even indicate a small but troubling possibility of temperatures briefly approaching or exceeding 2 degrees Celsius.
Although temporary breaches do not carry the same long-term implications as sustained warming, they are seen as warning signs of a rapidly intensifying climate crisis. Even short-term spikes can amplify extreme weather events and push ecosystems closer to tipping points.
The impacts of a strong El Niño are far-reaching and vary by region. Countries such as India, Australia and parts of Africa often experience intense heatwaves and drought conditions during El Niño years. This can severely affect agriculture, water availability and food security. In contrast, regions like the southern United States, parts of the Middle East and South Asia may face heavier rainfall and increased flooding risks.
El Niño also plays a significant role in tropical storm activity. It tends to suppress hurricane formation in the Atlantic Ocean while increasing the likelihood of powerful cyclones in the Pacific. Past strong El Niño events have been linked to destructive weather patterns across multiple continents, including severe drought in Africa, water shortages in island regions and intensified storm activity in ocean basins.
One of the strongest recent examples occurred in 2015, when a major El Niño contributed to widespread climate disruptions across the globe. Scientists fear that a similarly strong or even more intense event in today’s warmer world could produce even greater impacts.
Despite the growing concern, researchers caution that forecasts made during the spring months can be uncertain. Climate systems are complex, and conditions can change over time. However, the probability of a strong El Niño forming is high enough to warrant serious attention and early preparedness.
Climate experts emphasise that accurate forecasting, even with some uncertainty, provides valuable time for governments and communities to prepare for potential extremes. Early warning systems, water management strategies and agricultural planning can help reduce the risks associated with such events.
As the planet continues to warm due to human activities, natural climate cycles like El Niño are increasingly interacting with long-term trends, often amplifying their effects. This combination is creating a more volatile and unpredictable climate system.
The coming months will be crucial in determining whether this developing El Niño evolves into a major global event. For now, scientists remain vigilant, warning that the world may once again be heading toward a period of intensified heat and climate disruption.