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Forecasters flag a Super El Niño shaping Winter 2026/2027 outlook

Long-range forecasters say early data point to a Super El Niño forming ahead of winter 2026/2027, which is expected to produce a pronounced split-flow jet stream pattern across North America and Europe. The outlook combines ocean temperature trends, historical Super El Niño analogs, and early signs of a weakening polar vortex to project month-by-month temperature and snowfall trends across the US, Canada and Europe.

severe-weather.eu · 2026-09-03

Strong El Niño Set to Reshape US Winter Snowfall Patterns

Forecasters say a powerful El Niño climate pattern is developing and will likely peak in strength during the winter months. This could significantly alter typical snowfall distribution across the United States, favoring some regions with more snow while leaving others drier than usual.

gizmodo.com · 2026-09-03