Zakiya Lathan, News Editor, Digital and Audio
The same Pacific phenomenon helping suppress Atlantic hurricanes is intensifying heat elsewhere, illustrating how a changing climate can redistribute weather risks — and their human consequences — across the globe.
The extraordinary El Niño now reshaping weather around the planet could carry a human cost measured in hundreds of thousands of lives.
A new analysis from the University of Chicago’s Climate Impact Lab projects that extreme heat during the current “Super El Niño” could contribute to approximately 451,000 additional heat-related deaths worldwide from June 2026 through February 2027, compared with a typical year. Researchers expect 44% more extremely hot days than normal. These figures are modeled estimates, not an observed death toll.
For the six months from September through February, the lab projects approximately 239,000 additional heat-related deaths. The burden is expected to fall disproportionately on already hot, lower-income regions where access to cooling, reliable water and medical care can be limited.
The six-month projections include 31,400 additional deaths in Nigeria, 19,300 in Indonesia and 17,600 in Sudan. Across the African Sahel — including Nigeria, Sudan, Niger and Chad — researchers project approximately 66,800 additional deaths.
The numbers add a disturbing human dimension to the planetary pattern Unknown Country has been following.
Earlier this month, the Atlantic hurricane basin was remarkably quiet, according to Weather.com, at what should have been the height of hurricane season. Strong upper-level wind shear, dry air and sinking air associated with El Niño helped suppress Atlantic storm development. But the same enormous redistribution of oceanic heat and atmospheric circulation can produce dangerous heat, drought, flooding and other extremes elsewhere.
That is the larger story: Earth’s weather systems are connected.
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The Climate Impact Lab calls the current event a “postcard from the future,” because the exceptional temperatures temporarily produced by this El Niño resemble conditions researchers expect to become increasingly normal within decades as the planet warms. Importantly, El Niño is a naturally occurring climate cycle; human-caused climate change did not create it. But today’s warmer climate raises the temperature baseline upon which El Niño operates.
Those shifts extend to agriculture.
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Changing temperature and rainfall patterns can lengthen growing seasons in some cooler regions, potentially allowing farmers to grow different crops or varieties. Elsewhere, excessive heat, drought and unreliable rainfall can reduce yields, increase irrigation demand and force changes in planting schedules. Indonesia, for example, is already expecting a delayed rainy season, with potential effects on rice, sugarcane, cocoa and palm oil production.
What benefits one region can devastate another.
Related: Climate Watch: Scientists Say Climate Extremes Are Outpacing Their Expectations →
A longer growing season at higher latitude can coexist with failed rains closer to the equator. Fewer Atlantic hurricanes can coincide with dangerous Pacific storms and deadly heat thousands of miles away.
Climate disruption is therefore not simply a story of “more extreme weather.”
It is increasingly a story of redistributed risk — shifting heat, water, storms, agricultural opportunity and human vulnerability around an interconnected planet.
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