Jan 17, 2025 · However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is bringing an even harsher arctic blast to million Americans this week. Maps show what to expect as the cold front ...

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 forecast by most models to return to near-record strong wind speeds into early February.

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 ...

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 16, 2025 · A major cold blast is in store for more than 30 states as a widespread arctic air outbreak will send nearly every American east of the Rockies into a deep freeze. This will be due to a polar vortex, an area of strong winds that encircle the Arctic and typically keeps the coldest air locked near the Pole, according to the FOX Forecast Center.

Jan 7, 2025 · Arctic winds from a powerful polar vortex are sweeping across several states, bringing dangerously cold temperatures and severe weather conditions. It comes as the U.S. is potentially set to...

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 15, 2025 · A powerful Arctic outbreak tied in part to the polar vortex is set to send temperatures by next week tumbling down to as cold as 25 to 35 degrees Fahrenheit below average for mid-January, forecasts show.

Jan 15, 2025 · The polar jet stream exists year-round and can cause winter cold snaps on its own. But during the winter, it is joined by a second atmospheric phenomenon dubbed the polar vortex.