Arctic blast plunges Midwest temperatures 10-15°F below normal November 9-10, 2025, polar air spreading to 20s across East Coast.
Jet stream dip from Canada fuels outbreak, impacting 200 million from Dakotas to Florida with first snow in Northeast.
GFS model depicts shocking polar vortex from Greenland and Canadian Arctic, skipping fall for winter preview.
Weather.com forecasts teens and 20s Sunday-Monday, upper 30s afternoons, 30°F below normal for Southeast epicenter.
National Weather Service warns freezing overnight temperatures, ending growing season for up to 20 million, frost damage sensitive vegetation.
Lake-effect snow potential Great Lakes, 6-12 inches northern states, 50 mph winds hazardous travel.
This blast’s quiet incursion unveils new era where polar’s vast chill bridges autumn voids, transforming season with enduring winter’s harmony.
