High up in the atmosphere above the Arctic, something interesting is going on. The upper levels of the stratosphere, above 35 ...

Over the years cold weather events have all been connected to the surface effects of sudden stratospheric warming ...

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

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

A rare November sudden stratospheric warming event could lead to a polar vortex bringing unseasonably cold weather to Iowa at ...

This weather event may not be constant, but there will be cold waves over multiple days with single-day warmups mixed in.

The culprit behind the country’s somewhat wacky weather, or at least part of it, is the (aforementioned) probable sudden ...

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

With the ski season just days away, we’re still looking at dirt here on the valley floor. But a change in weather patterns ...

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

Nearly 82 million will be traveling up to 50 miles from November 25 to December 1, and the map allows a chance for Americans ...