A major climate shift has officially arrived: El Niño is here, and forecasters warn it could be one of the strongest on record. The U.S. Climate Prediction Center confirmed this week that El Niño conditions have developed in the tropical Pacific Ocean, with a high probability of strengthening through the Northern Hemisphere winter.
El Niño is a natural climate pattern characterized by warmer-than-average sea surface temperatures in the central and eastern equatorial Pacific. It disrupts normal weather patterns worldwide, often triggering droughts in Australia and parts of Asia, heavy rains in South America, and a more active Atlantic hurricane season. This year's event has already drawn comparisons to the historic 1997-98 and 2015-16 El Niños, which caused billions of dollars in damage.
Why now? After three consecutive La Niña years—which tend to have opposite effects—the Pacific has rapidly warmed. Forecast models show sea surface temperature anomalies exceeding 2°C in the Niño 3.4 region, a key indicator. The Climate Prediction Center assigns a 90% chance the event will persist through winter and an 80% chance it becomes a 'strong' El Niño. 'Strong' means average sea surface temperatures at least 1.5°C above normal.
What does this mean for you? In the United States, a strong El Niño typically brings wetter-than-normal conditions to the southern tier from California to Florida, and drier, warmer weather to the Pacific Northwest and Ohio Valley. The pattern can suppress Atlantic hurricane formation but enhance winter storms across the South. Globally, regions like Indonesia and Australia face increased wildfire risk due to drought, while countries along the western coast of South America brace for flooding and landslides. India's monsoon could weaken, threatening agricultural output.
The economic stakes are enormous. A repeat of the 2015-16 El Niño cost the global economy an estimated $35 billion in agricultural losses alone. Commodity prices—especially for palm oil, sugar, and coffee—are already reacting. Energy markets also feel the pinch: warmer winters in the northern U.S. can reduce heating demand, while hydroelectric generation in drought-prone areas falters.
Analysts caution that climate change may be amplifying El Niño's impacts. Warmer baseline ocean temperatures mean even a moderate El Niño can push global temperatures to record levels. The World Meteorological Organization notes that 2016, a strong El Niño year, was the hottest on record, and 2026 could challenge that. Scientists are closely watching for cascading effects, including coral bleaching in the Great Barrier Reef and shifts in disease patterns like dengue fever.
Looking ahead, the El Niño forecast suggests peak intensity around November 2026 to January 2027. Key milestones include the July-September hurricane season update and the release of seasonal outlooks from NOAA and the Australian Bureau of Meteorology. Whether this event will break records remains uncertain, but one thing is clear: the world must prepare for a period of significant climate disruption.
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El Niño Is Here. It Could Be A Strong One
Leading U.S. forecast agency announced this week that El Niño is here, and that it could be a strong one. What does that mean for you?
Marshall Shepherd, Senior Contributor
Forbes
3 min read
7/10
Key Takeaways
- The U.S. Climate Prediction Center declared El Niño onset in June 2026, with sea surface temperatures in the Niño 3.4 region exceeding 1.5°C above average, meeting the threshold for a 'strong' event.
- There is an 90% probability El Niño will persist through Northern Hemisphere winter and an 80% chance it becomes a strong event, comparable to 1997-98 and 2015-16.
- Strong El Niños historically cause droughts in Australia and Southeast Asia, floods in South America, weaker Indian monsoons, and wetter winters across the southern United States.
- Agricultural losses from a strong El Niño can exceed $35 billion globally, affecting crops like palm oil, sugar, coffee, and rice; commodity prices have already begun to rise.
- Climate change amplifies risks: each El Niño now occurs on top of a warmer baseline, increasing the likelihood of record global temperatures, coral bleaching, and disease outbreaks.
Frequently Asked Questions
El Niño is a natural climate pattern characterized by warmer-than-average sea surface temperatures in the central and eastern tropical Pacific Ocean. It occurs every 2 to 7 years and typically lasts 9 to 12 months, disrupting global weather patterns.
Forecasters at the U.S. Climate Prediction Center estimate an 80% chance that this El Niño becomes a 'strong' event, meaning sea surface temperatures in the Niño 3.4 region exceed 1.5°C above normal. Some models suggest anomalies could reach 2°C, rivaling the 1997-98 and 2015-16 events.
El Niño typically peaks during the Northern Hemisphere winter, between November and January. For this event, models indicate peak intensity around late 2026 to early 2027.
A strong El Niño can cause droughts in Australia, Indonesia, and parts of Africa; heavy rainfall and flooding in South America; a weaker Indian monsoon; and a more active Atlantic hurricane season. In the United States, southern states often see wetter winters while the Pacific Northwest experiences drier conditions.
El Niño disrupts growing seasons for key commodities like palm oil, sugar, coffee, and rice. The 2015-16 El Niño cost the global economy an estimated $35 billion in agricultural losses. Food prices and supply chains can be strained, especially in developing countries.
While El Niño itself is a natural cycle, climate change can intensify its effects. Warmer ocean temperatures mean even moderate El Niños can push global temperatures to record highs. Scientists are studying whether global warming makes El Niño events more frequent or stronger.
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