On March 9, the polar vortex wobbled and then snapped back the other way as mighty winds, suddenly shifting from the west to the east - something that typically happens once a year - usually in the ...

A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation ...

Several days with temperatures of 10-20 degrees below the historical average could be dangerous to plants and ruin outdoor plans.

A "major disruption" has recently rocked the Arctic polar vortex, causing it to weaken and reverse direction from ...

Warm conditions across much of Europe are forecast to give way to periods of unseasonably cool temperatures and stormy ...

When the polar vortex collapsed in the middle of March, the planet's weather patterns were redrawn. That could mean snow for ...

While many are surely glad to bid farewell to Old Man Winter, a string of disruptions to the polar vortex means that the Northeast may see some shots of cold air in the weeks ahead.

Accuweather Senior Meteorologist Paul Pastelok says the March polar vortex disruption is one of the largest meteorologists have seen in a long time. A polar vortex is a large area of low pressure ...

The new year ushered in an arctic blast that has only recently let up. This extreme plunge in temperature is referred to as a polar vortex. While it may seem that this is a new term, it has been in ...