A rare stratospheric event is forecast to unleash bone-chilling air from a weakening vortex across the US and New England, ...

There may be a disruption to the polar vortex due to an unusually early Sudden Stratospheric Warming event. Judah Cohen, a ...

It's been a warm autumn, so far. But the polar vortex is forecast to change unusually early, and that could impact your ...

An extreme warming event high in the atmosphere is threatening to disrupt the polar vortex. Get the details from ...

Another Arctic blast is on the move toward the U.S., bringing the potential for bitter cold and heavy snow accumulations to Michigan.

NBC 5 Storm Team Meteorologist Kevin Jeanes took a look at what’s going on and what the weather may look like going into ...

A wide swath of the western U.S. may be in for below-average temperatures as forecasts suggest an Arctic blast is looming.

Over the next 10 days, scientists say, changes in the stratosphere will upend weather patterns and set the stage for a cold, ...

According to meteorologists and climatologists, critical changes in two major atmospheric patterns—La Nina and the polar ...

The polar vortex is a large area of circulating cold air above the North Pole. Strong winds keep it contained, but when it ...

Next week’s pre-winter arctic plunge might be a sign of things to come for the Eastern U.S., as several key weather patterns ...

La Niña and polar vortex weather patterns will be at play for the 2025-2026 winter season. Here's what we know about the ...