Overview
- NOAA’s Climate Prediction Center has issued an El Niño advisory confirming El Niño conditions are present in the tropical Pacific.
- Major forecast centres and multi‑model ensembles now show unusually strong agreement that the event will intensify quickly and NOAA assigns roughly a 63% chance it becomes very strong by late 2026 or early 2027.
- Daily sea surface data show the Niño 3.4 region is far warmer than a year ago, with the 2026–2025 gap widening to about 1.6°C in early July, giving empirical weight to the rapid‑development signal.
- Forecasters say a very strong El Niño would raise the odds of global heat extremes, droughts, heavy rains and floods, suppress Atlantic hurricane formation through increased wind shear, and alter monsoon and winter weather patterns—prompting governments and aid agencies to begin contingency planning.
- Despite high model confidence in development, peak strength and local outcomes remain uncertain because El Niño interacts with other ocean features and short‑term weather systems, so agencies will issue repeated seasonal updates as conditions evolve.