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Australia declares possible strongest El Niño in decades
The bureau said sea surface temperatures and atmospheric indicators are reinforcing the pattern, and half the models show a peak among the strongest since 1950.
On Tuesday, June 16, 2026, the Australian Bureau of Meteorology declared an El Niño weather pattern active in the tropical Pacific, with models indicating it could become one of the strongest in seven decades.
Warmer-than-Normal water temperatures in the central tropical Pacific define El Niño, which typically lasts 12 months while disrupting global weather patterns and increasing risks of extreme temperature shifts.
Scientists at the National Oceanic and Atmospheric Administration estimate a 63 percent chance of a very strong event during November-January, with models suggesting peak levels could rank among the highest observed since 1950.
Forecasters expect the event to bring excessive rains to the Americas and hot, dry conditions in Asia, while the BOM warns of below-median rainfall for much of southern and eastern Australia through September.
While scientists warn climate change will likely supercharge the event's effects, experts emphasize that every El Niño is different, making local impacts difficult to predict with absolute certainty.
After months of predictions, it is now a fact: El Niño has begun. The Bureau of Meteorology (BoM) has confirmed this. The Australian meteorological institute suspects that it could well turn out to be the strongest El Niño ever recorded.
2 days ago·Amsterdam, Netherlands (Kingdom of the)
Australia has confirmed the formation of an El Niño phenomenon in the tropical Pacific Ocean, warning that it could intensify in the latter half of 2026, becoming one of the most severe events in over 70 years.