Close-up of a newly formed pressure ridge in the Arctic Ocean. Credit: Alfred-Wegener-Institut / Andreas Preusser Arctic sea ice is undergoing profound changes, with older, rugged ice diminishing and ...

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Snow may be coming earlier than expected to the D.C. area when the arctic blast arrives and could bring with it a wintery mix on Friday afternoon. Here’s what you need to know. Temperatures will ...

Map showing forecast minimum temperatures on Jan. 7 as Arctic air moves into the U.S. Image: Pivotal Weather/NOAA ...

Polar vortex forecast to hit Florida with Arctic blast around Jan. 11-12 The timing of a blast of Arctic air reaching Florida could change, but current forecasts call for it to arrive around Jan.

A blast of Arctic air will then hit the state. During the cold fronts, temperatures are expected to be around freezing in some parts of the state, according to Alex DaSilva, AccuWeather long-range ...

When this vortex weakens, it can send frigid air from the Arctic southward, bringing dangerously cold temperatures to mid-latitude regions like the southern United States. In 2021, the polar ...

“Bitterly cold air will make a big return to the East Coast starting this weekend, and for the US, this could end up being the coldest January since 2011. “The severity of the cold air could be ...

Ryan Teach loads his new snowmobile, purchased at Thomas Sno Sports in Ogilvie, Minn., on Dec. 23. (Jerry Holt/The Minnesota Star Tribune) ...

Multiple bursts of increasingly brutal, cold Arctic air will overspread the eastern two-thirds of the country over the next few days, dropping temperatures to dangerous lows by next week.