A displaced polar vortex is expected to bring dangerously cold temperatures to much of the U.S. The arctic blast is driven by a weakened polar vortex, which allows frigid air to move south from the ...

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 ...

There is a major weather pattern change underway across the U.S. As we get into next week, the storm track looks really interesting. Major upper-air pattern changes are quite normal. Sometimes we have ...

Severe temperatures are expected to dominate most of the country in the coming days, with single-digit temperatures forecast for parts of the Northeast. Overall, temperatures will begin to warm in the ...

To understand what Americans are experiencing with this winter blast, we need to look more than 20 miles above the surface of Earth, to the stratospheric polar vortex. When you purchase through links ...

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 ...

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all scientists agree. By Eric Niiler The polar vortex is a ribbon of ...

The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest, Mid-Atlantic and Southern U.S. are expected to see below-freezing ...

Polar vortexes are a year-round phenomenon. But Chicago-area residents only notice them when they collapse, experts say. That’s what’s happening starting Thursday when dangerously frigid air from ...

The polar vortex is sending arctic blasts and chilly temperatures to most of the United States, and states from Texas to Oklahoma could see snow, sleet and ice. As of Wednesday, Jan. 21, millions of ...

The polar vortex is sending arctic blasts and chilly temperatures to most of the United States, and states from Texas to Oklahoma could see snow, sleet and ice. As of Wednesday, Jan. 21, millions of ...

A polar vortex is expected to bring two surges of extremely cold air to the U.S. in January. The polar vertex is a large area of low pressure and cold air that sits over Earth's poles. Middle ...