A potentially historic El Niño is gathering strength and likely to peak between Nov. 2026-Jan. 2027. Latest projections suggest the event could become the strongest ever measured. Countries around the world are bracing for impacts.Past very strong El Niño events, with record heat, drought, precipitation, floods, and wildfires, have taken a toll in human lives, human health, national and community economies, and ecosystems. Some effects can linger as much as a decade, after these events.While some nations, such as Peru and Sri Lanka, are preparing for a record El Niño, many are unable to, with the United Nations now making a $202 million El Niño Joint Anticipatory Action Appeal to aid 22 high-risk countries in Asia, Oceania, Africa and Latin America.In this story, experts outline some lessons that can be learned from history’s most powerful past El Niño events and the preparations that will be required to protect vulnerable populations during the potentially unprecedented 2026-27 event.
Countries across the world are bracing for what is increasingly certain to be a historic El Niño, with latest modeling suggesting the 2026-2027 event will be the strongest ever measured, possibly breaking records by a considerable and dangerous margin.
