Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.

Temperatures are achingly cold in the stratosphere over the Arctic, which can only mean one thing: it's perfect conditions for psychedelic skies filled with rainbow-colored clouds. Type II polar ...

The forecast for this week is pretty boring, and unchanging. In fact, I give you permission not to check Space City Weather ...

A better understanding of the pathways of influence between Arctic surface conditions, the stratospheric polar vortex and mid-latitude winter weather would improve our ability to anticipate these ...

According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, ...

Polar mesospheric ... phenomena and cloud formation emphasizes the intricate dynamics at play in the upper atmosphere. Recent balloon-borne experiments, such as the Stratospheric Observations ...

However, when the stratospheric polar vortex weakens ... No conspiracy, no cloud seeding, no planned effort, just good ol’ fashioned winter, like it used to be. So, while the headlines will ...

The polar vortex is a gigantic circular upper-air weather pattern in the Arctic that envelops the North Pole. It's a normal pattern that is stronger in the winter and tends to keep the coldest ...