A powerful “Super El Niño” is increasingly likely to develop and persist into 2027, raising fears of widespread droughts, food shortages, wildfires, power disruptions and economic losses across multiple continents. Scientists warn that sea surface temperatures in the tropical Pacific could exceed 2 degrees Celsius above normal levels, placing the event in the strongest category of El Niño episodes and potentially making it one of the most disruptive climate phenomena in decades.
According to climate experts, a Super El Niño occurs when weakened trade winds allow unusually warm waters to spread across the central and eastern Pacific Ocean, disrupting atmospheric circulation and altering weather patterns worldwide. Professor Benjamin Selwyn of the University of Sussex argues that the consequences extend far beyond weather, exposing vulnerabilities in global food systems, supply chains and economic structures.
Agriculture Faces Major Threat
The most immediate concern is agriculture. Large parts of South Asia, Southeast Asia, Australia and sub-Saharan Africa are expected to experience below-normal rainfall, threatening crop production. Farmers in countries such as India, Indonesia, Malaysia, the Philippines and Australia are already expressing concern about delayed rains and shrinking water reserves.
Rain-fed farming regions are particularly vulnerable. In India, nearly half of cultivated land depends primarily on monsoon rainfall. Forecasts of weaker monsoon rains and rising temperatures could reduce yields of rice, maize, soybeans, pulses and oilseeds. Experts note that heat stress is increasingly affecting not only vegetables but also staple grains and livestock production.
The situation is further complicated by a global fertilizer shortage, which could limit farmers’ ability to offset production losses. Benjamin Selwyn notes that climate shocks combined with supply-chain disruptions are likely to hit poorer farmers and consumers hardest.
Global Food Supply Chains at Risk
A Super El Niño threatens major global food commodities, including wheat, rice, maize and soybeans, which together provide more than 60 percent of the world's caloric intake. Drought conditions in key producing nations could reduce harvests, tighten supplies and push food prices higher.
Rice-producing countries across Asia face particular risks. Farmers in the Philippines fear severe yield losses, while Malaysian growers are delaying planting because of uncertain weather conditions and low reservoir levels. Australia’s wheat and canola sectors are also closely monitoring forecasts. Any significant decline in agricultural output could worsen inflation and increase food insecurity, particularly in developing countries that rely heavily on imports.
Wildfires and Air Pollution
One of the most visible impacts of previous El Niño events has been the rise in wildfires. Drier conditions increase the likelihood of large-scale fires in South America, Australia and Southeast Asia.
Indonesia and Malaysia remain especially vulnerable because drained peatlands can ignite easily during prolonged dry spells. The devastating fires of 2015 generated thick haze that spread across Southeast Asia, causing severe health problems and disrupting transportation. Researchers later estimated that more than 100,000 premature deaths were linked to pollution from those fires. Experts warn that a stronger El Niño could trigger similar or even worse conditions.
Floods in Other Regions
While some regions face drought, others are expected to receive excessive rainfall. Parts of South America, the southern United States, the Horn of Africa and Central Asia often experience above-normal precipitation during El Niño years.
Heavy downpours can replenish reservoirs and groundwater supplies, but increasingly intense storms also raise the risk of flooding, landslides and infrastructure damage. Rapid runoff often prevents rainfall from being effectively absorbed into soils, reducing long-term water benefits.
Pressure on Energy Systems
Energy infrastructure is also vulnerable. Drought reduces water availability for hydropower generation, potentially leading to electricity shortages and higher power prices. Countries such as Colombia, which rely heavily on hydropower, have previously experienced blackouts and power rationing during strong El Niño events.
At the same time, rising temperatures boost electricity demand for cooling. In Asia, where coal remains a major source of power generation, increased air-conditioning use could drive higher coal consumption and carbon emissions. Data centers, industrial facilities and urban water systems may also face challenges as competition for limited water resources intensifies.
Fisheries Under Stress
El Niño suppresses the upwelling of nutrient-rich cold water in parts of the Pacific Ocean, disrupting marine ecosystems. Anchovies, sardines and other small fish species lose access to essential food sources, affecting larger predators and commercial fisheries.
Fishing communities from Peru and Ecuador to California, Mexico, Papua New Guinea and Micronesia could experience declining catches and reduced incomes. Higher fuel costs and lower fish availability may further strain coastal economies.
Health and Social Risks
Extreme heat is expected to increase cases of heat-related illness, particularly among outdoor workers in agriculture, construction and other labor-intensive sectors. In cities such as Delhi, temperatures regularly exceed 40 degrees Celsius during summer, posing growing risks to public health.
History also shows that prolonged drought, food shortages and rising prices can contribute to social unrest. Previous El Niño episodes have coincided with farmer protests, political instability and conflicts linked to resource scarcity.
Governments Prepare for Impact
Several countries are implementing contingency measures. Indonesia is monitoring groundwater levels and preparing cloud-seeding operations, while Malaysia is considering water rationing plans. India has expanded irrigation access and promoted climate-resilient crop varieties to reduce vulnerability.
However, experts caution that adaptation measures may only soften the blow of an event whose global economic costs could run into trillions of dollars.
As Benjamin Selwyn observes, the threat posed by a Super El Niño is not merely a climatic challenge but a test of how resilient the world’s food, energy and economic systems are in the face of increasingly severe environmental shocks.