As the polar vortex intensifies, it’s set to have a significant impact on Earth’s climate. Learn how this atmospheric ...

The winter weather outlook from both Farmers' Almanac and the Old Farmer's Almanac predict tough conditions ahead for 2025. Here's what to expect.

A polar vortex collapse. Now, meteorologists are calling for another collapse in the middle of March, one that could plunge the U.S., Canada, and parts of Europe into a bitterly cold spell just ...

The polar vortex can't be felt in the United States or anywhere on Earth. Brutally cold temperatures are heading to the Midwest and Northeast this week -- but don't mistake this for a polar vortex ...

One way to track the polar vortex is through potential vorticity, which describes the amount of rotational energy, or "spin," in a parcel of air. This animation shows daily potential vorticity in ...

The polar vortex has been known about and studied by the meteorological community for decades. It is an almost always present upper-level circulation that hangs out most of the of time around both ...

This week, parts of the U.S. are experiencing the 10th and coldest polar vortex event this season. Weather forces in the Arctic are combining to push the chilly air into the U.S. and Europe.

A polar vortex collapse. Now, meteorologists are calling for another collapse in the middle of March, one that could plunge the U.S., Canada, and parts of Europe into a bitterly cold spell just ...