Sudden stratospheric warming is expected to keep a weakened vortex splintered, plunging the region back to record-breaking ...

The bitter cold temperatures that have left a chill over the eastern half of the country aren’t going anywhere, as a major disruption to the Polar Vortex is coming this month.

The polar vortex has shifted from obscure jargon to a phrase that can shut down schools, snarl air travel and strain power grids across continents. In the 2020s, as the climate warms and ...

As the U.S. prepares to take on another bout of cold weather, the term "polar vortex" is getting thrown around. But what is ...

Much below normal temperatures should persist across the eastern U.S. into early February before moderating slightly.

After a brief lull that tempted some to declare the season finished, forecasters are warning that the atmosphere has other plans. A recharged polar vortex is poised to drive another round of bitter ...

Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States.

Climate deniers are quick to say ‘I told you so’ when the mercury drops. But a warmer planet impacts weather in ways that can ...

Similarly, wind chill temperatures measure how cold people and animals feel when outside, measuring the rate of heat loss ...

Winter has settled in for the long haul, and the next few days only reinforce that feeling. Tonight brings mostly cloudy skies and a low around 13°, but the southwest wind running 10 to 20 mph will ...

What is polar vortex and how much snow is expected in US? A winter storm linked to polar vortex disruption has impacted ...

The meteorologists said the polar vortex system is set up due north of Michigan over Canada's Hudson Bay. It's at least ...