Last Update: 04/05/2026 at 2:50 PM EST
Pacific Shift Raises Climate Extremes
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Executive Summary
Scientists say Pacific ocean pattern shifts could intensify global heat, storms and rainfall extremes, with 2026 seen as a key risk year.
- ENSO and the Pacific Decadal Oscillation may align in 2026
- Researchers see warmer Pacific signals and stronger El Nino risk
- Trade winds, warm pools and Kelvin waves are helping drive the shifts
- A stronger El Nino could raise heat, alter rainfall and boost Pacific storms
- La Nina could still bring drought to some regions and heavier rain to others
- Forecast tools now use buoys, Argo floats and satellites for months-ahead warnings
- Scientists say rising greenhouse gases are making Pacific-driven extremes more severe
Quick Facts
- What: Pacific climate shifts may amplify global extremes
- Where: Tropical Pacific with effects across North America and Europe
- Why: Warming oceans and greenhouse gases are changing ENSO behavior
- Who: Climate scientists and forecast agencies
- When: Especially in coming years and around 2026

