Jan 20, 2025 · A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.

Jan 16, 2025 · The polar vortex strength, as measured by the speed of the winds around the 60N latitude circle and 10 hPa pressure level, remains stronger than average, and is currently …

Mar 5, 2021 · The Arctic polar vortex is a band of strong westerly winds that forms in the stratosphere between about 10 and 30 miles above the North Pole every winter. The winds enclose a large pool of extremely cold air.

Jan 21, 2025 · A blast of arctic air from Canada has brought the season's coldest weather to most of the United States. The system, known as a polar vortex, is forecast to bring subzero temperatures to the ...

Dec 31, 2024 · Multiple rounds of frigid, arctic air could sweep across the eastern half of U.S. in the coming weeks, ushering in an abnormally cold start to 2025. The first blast of bitter cold hits the Northern Plains and the Midwest on Wednesday and Thursday and then reaches the Northeast by the end of this week.

Jan 16, 2025 · A major cold blast is in store for millions of Americans as a lobe of a polar vortex will bring brutally cold temperatures to nearly every American east of the Rockies.

Jan 2, 2025 · When these strong winds slacken, parts of the polar vortex can detach and meander southward, bringing ultra-cold air to southern Canada, the U.S. and Europe. This occurred back in the winter of 2013-14, but this new event is distinct.

Jan 7, 2025 · Arctic sea ice is shrinking, especially near the Barents Sea in Scandinavia, which releases more heat into atmosphere. That means more energy bouncing off and warping or moving the polar vortex, Cohen said.

Jan 15, 2025 · Vast weather patterns can carry blasts of frigid air far from the polar regions—here’s how it works

Jan 16, 2024 · Across the United States, many are experiencing the first big blast of Arctic air of 2024. Coats and gloves are emerging from the closets, and heaters are working overtime, with temperatures dropping more than 25 degrees below normal in some parts of the country.