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Vortex
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- 1Colder, snowier US winter forecast as Super El Niño strengthens●Winter 2026/2027 forecast trends colder and snowier across the U.S., with Super El Niño strengthening and a mid-winter P
New October data suggests winter 2026/2027 in the United States will trend colder and snowier than previously expected. Meteorologists point to a strengthening Super El Niño and a projected mid-winter slowdown of the polar vortex, factors historically linked to colder outbreaks and heavier snowfall across much of the country, with possible knock-on effects for Europe.