The World Meteorological Organization said tropical Pacific sea surface temperatures may reach 3.8C above average between November 2026 and January 2027. The UN released $50 million for 11 frontline countries including Chad and Somalia, and rain linked by scientists to the El Niño has sent near-record flows over Iguazú Falls.
Why it matters: Strong El Niño events shift rainfall worldwide, raising the risk of floods, droughts and fires.
The UN aid chief warned El Niño could be the strongest on record and released $50 million for 11 frontline countries including Chad and Somalia, saying the humanitarian system cannot cope alone. Southern African countries are also stepping up disaster preparedness for the coming rainy season.
Why it matters: Strong El Niño events disrupt rainfall and harvests, threatening food security in vulnerable regions.