High above the North Pole, in a slice of atmosphere rarely noticed and even less understood, a transformation is underway. Over the next 10 days, changes in the stratosphere will upend weather ...

In yet another sign that winter weather is either here or will be soon, the dreaded polar vortex is making news yet again. Its potential arrival in the United States over the next few weeks is cause ...

The Earth's polar vortex is stirring up, bringing the first hints of changing weather as the autumn foliage starts to turn and the temperatures begin to drop. The movement means gradual cooling and a ...

The polar vortex is a large area of cold, spinning air that sits near the North Pole and exists year-round. When it weakens or shifts, Arctic air can spill south, increasing the risk of snow and ...

Frigid temperatures are expected to impact much of the central and eastern United States in the coming weeks. The first of three polar vortex systems is expected this month, according to AccuWeather.

View post: Winter Storm Warnings for 26 Inches of Snow in 8 States Emerge A cold front will bring plunging temperatures and snow to the Northeast this week. Polar vortex disruptions, caused by Sudden ...

Winter weather forecasts use specific terms that can be confusing to the general public. The "feels like" temperature and wind chill describe how weather conditions feel to the human body. A winter ...