The Washington Post on MSN13d
Why the U.S. has been home to Earth’s most unusually cold air this year
The United States has been at the epicenter of the planet’s most unusually cold conditions early in 2025. The polar vortex is to blame.

Polar vortex collapse could bring cold, snow to Columbus

Here’s What to Know About the Polar Vortex Collapse
Polar vortex collapse could bring cold, snow to Columbus in coming weeks
A polar vortex collapse is expected over the next two weeks, potentially bringing cold air and snow to North America, according to The Guardian. It could be the final vortex collapse of the season. The final collapse occurs when the vortex begins spinning eastwards and remains that way until the next winter.
Polar vortex collapses sending late-season and largest cold to US
The phenomenon that has the US frozen: What is happening with the polar vortex?
Extreme weather is sweeping across the United States. Last week, the polar vortex peaked, bringing freezing temperatures to much of the country.
Anchorage Daily News13d
Why much of the U.S. has had Earth’s most unusually cold air this winter
The polar vortex has taken on an unexpected pattern this winter - one that’s made part of the United States the most unusually cold place on the planet, at least so far this year.