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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The polar vortex is forecast to weaken unusually early, and that could lead to more persistent cold weather in at least parts of ...

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.

The Polar Vortex is presently very strong, nearly perfectly circular, and centered almost directly over the North Pole. This is a pattern that signifies two things; the coldest air in the Northern ...

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 ...

The weeks after Thanksgiving might just be a tease for some intense Arctic cold that could arrive later in December. So, cold weather lovers — your time appears to be approaching. And snow lovers, the ...

The polar vortex collapsed, and severe temperatures are set to dominate most of the country in the coming days. Single-digit temperatures are forecast for much of the Northeast, and subzero ...

Grab your coats, it's getting chilly. A polar vortex broke, and severe temperatures are set to dominate most of the United States, including the Midwest, in the coming days. The polar vortex will ...