A disturbance in the polar vortex could spill icy cold air south into the United States much earlier than usual, the National ...

A polar vortex — a large area of low pressure — is heading south from the Arctic, bringing with it cold weather across many ...

As we look toward mid-December into January, the door is opening for some potentially significant winter weather.

A combination of weather conditions may make it colder than usual across parts of the Central and Northern U.S. next week.

A rare weather phenomenon that hasn't occurred since 1968 is expected to plunge temperatures across parts of the United States.

A strange and unexpected phenomenon has been observed on the Sun: a section of its surface has broken off and is now ...

A SSW was the same weather phenomenon that led to the brutal ‘Beast from the East’ in 2018, which transported cold air from ...

A highly unusual disruption of the polar vortex is taking shape in the upper atmosphere this November, raising the odds of a ...

The culprit behind the country’s somewhat wacky weather, or at least part of it, is the (aforementioned) probable sudden stratospheric warming event (SSW) disrupting the stratosphere’s polar vortex ...