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

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 ...

When the polar vortex begins to wobble and allows arctic air to spill south into northern Illinois in January, we usually end ...

The polar vortex in the stratosphere broke up, which caused the movement of cold Arctic air towards southern latitudes, ...

Severe Weather Europe reports that the latest disturbance in the polar vortex in mid-March initiated a series of large-scale ...

"The large polar vortex disruption from the second week of March is playing ... She said it will be cold enough to support light snow across the Great Lakes Monday and New England Monday night into ...

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.

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

Sudden stratospheric warming events usually come in two possible flavors in which the polar vortex either displaces off the pole or splits into two smaller vortexes. This particular event may be a ...

"The large polar vortex disruption from the second week of ... She said it will be cold enough to support light snow across the Great Lakes Monday and New England Monday night into Tuesday.