A deep freeze is lifting heating demand and raising freeze-off risks, setting up larger gas storage withdrawals over the next two weeks. Deep freezes are a double hit for natural gas: people crank the ...

There's a confounding dilemma for many folks trying to make sense of winter weather in the context of climate change.

Arctic air is already gripping much of the country, and the obvious concern for families from Atlanta to Albany is whether ...

A warming Arctic can stretch the polar vortex, a high-altitude air ribbon, one says. The “wobble” can disrupt the jet stream, ...

WASHINGTON — Warm Arctic waters and cold continental land will combine to stretch the dreaded polar vortex in a way that will send much of the United States a devastating dose of winter weather later ...

NOAA issued winter storm warnings as another snow storm heads to VA, MD and Washington DC. Here's timing, how much snow ...

The polar vortex is a huge area of cold air high up in the atmosphere that usually spins over the North Pole. Its position ...

Much of the weather chaos in the northern hemisphere has been caused by a weaker-than-usual polar vortex this winter. The ...

The importance of accurate and timely forecasts and investment in early warning systems has once again been highlighted by ...

Bone-chilling winter temperatures are causing concern for vessels in the water, and the U.S. Coast Guard has jumped in to ...

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.

As another winter storm hits South Carolina and other regions, here's what to know about deciphering forecaster terms.