Thursday, September 03, 2026

Strong El Nino expected to raise extreme weather risks into 2027: UN weather agency

El Niño

El Nino is firmly established and expected to strengthen further in the coming months, increasing risks of floods, drought and extreme heat, the UN weather agency said Thursday.

The World Meteorological Organization (WMO) forecast indicates an "exceptionally high likelihood of nearly 100%" that El Nino will persist through February 2027, according to its latest update.

Driven by exceptionally warm ocean conditions across the tropical Pacific, El Nino is expected to reach very strong intensity and peak toward the end of 2026, with climate impacts continuing into 2027.

WMO Secretary-General Celeste Saulo said droughts and floods were already causing disruption and damage and that impacts were expected to increase as El Nino intensifies.

"This exceptional El Nino demands exceptional preparation and response," she said, adding that the WMO is working with national meteorological and hydrological services to strengthen preparedness and early-warning efforts.

Sea surface temperatures in the central-eastern equatorial Pacific, the region associated with El Nino, are already well above average and continue to rise, according to the WMO.

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