2025年2月1日 · Another feature to watch will be the occasional emergence of a Southeast US high pressure ridge which is rather typical for La Nina winters. This could act as a warming influence at times up along the east coast into areas such as the southern Mid-Atlantic region.

2025年1月16日 · The first polar vortex swept across the country bringing dangerous snow, ice, and wind to millions of Americans. It also disrupted flights, closed schools, and impacting several major U.S. cities.

2024年1月25日 · 'Good chance' another arctic blast happens in February, polar vortex expert says Don't be fooled by the warmer weather being experienced in the U.S. for the next couple weeks. Winter is expected to make a comeback in February.

2024年12月31日 · 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.

2025年1月16日 · The polar vortex is expected to dip all the way into South Carolina early next week. The polar vortex is an enormous ring of powerful winds spinning above the North Pole. It normally circles the Arctic and it typically stays contained by a strong jet stream, but when this ring of frigid arctic air becomes unstable and the jet stream weakens, it ...

2025年1月28日 · In fact, none of the cold air outbreaks so far this winter, even across the country, are linked to the polar vortex. That's another difference between the 2021 February freeze and the rare January ...

2025年1月13日 · Satellites orbiting the Earth have captured the effects of a "polar vortex" on camera, as swathes of the U.S. are gripped by Arctic conditions.

2 天之前 · Rather than taking a “climb it because it’s there” approach, the UAE is trying to develop a broader scientific program. It announced the Emirates Polar Program in November and a Polar Research Center has been set up at Khalifa University. The next step will be a mission to the Arctic, which is due to set off this summer.

2024年1月16日 · The latest forecast says a major disruption of the polar vortex is on its way, but the stratosphere has been acting up for a while. Our bloggers explain what it might mean for U.S. weather.

2025年1月7日 · When the polar vortex stretches it can either bring that cold air south to the United States or toward Asia, said Cohen, an expert in winter weather. Other times, when something called sudden stratospheric warming happens, the polar vortex moves away from the Arctic and comes south or even splits.