In the stratosphere over Siberia, temperatures recently jumped nearly 100 degrees Fahrenheit, shoving the polar vortex off its North Pole perch.

Every other year or so, the polar vortex—a circular flow in the stratosphere—becomes unstable, which can then cause the narrow band of strong winds that form the jet stream to become more wavy ...

There is a sudden warming about to happen high up in the atmosphere. This warming usually affects the Polar Vortex.

After Feb dumped a wave of unconditionally severe winter weather in the US, March is about to unleash those conditions again due to the polar vortex collapse.

The polar vortex is area of fast-moving winds well above the Earth’s surface and the jet stream that circle the Arctic during the Northern Hemisphere’s coldest months.

After the January 2025 freeze, the polar vortex can have an impact on Houston forecasts and across the United States.

Polar Vortex And Polar Jet Stream: What's Behind The Freezing Weather In The US? Shivering with a driveway full of snow? Blame it on the polar vortex.

Weather The polar vortex: What to know about the weather feature responsible for the arctic blast Published: Jan. 04, 2025, 5:00 p.m.

What is a polar vortex? The polar vortex is an area of swirling cold air in the Earth's polar regions. During winter, the polar vortex at the North Pole expands, sending cold air southward ...

Could January 2025 be one of the United States' coldest Januarys since 2011? What to know about when polar vortex will arrive in New York.

A polar vortex could bring cold winds to much of the U.S. as the new year approaches—but what exactly is a polar vortex, and how could it affect the weather in 2025?

The polar vortex works counterintuitively to what you might expect – the stronger it is, the less impactful it is. When the polar vortex is strong, cold air is less likely to plunge deep into ...