The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a normal pattern that is stronger in the winter and keeps some of the coldest ...

Harsh weather moved west as a polar vortex was expected to grip the Rockies and the northern Plains after winter storms ...

More than 95 million people are facing gripping cold Tuesday as a polar vortex sends temperatures plunging to record levels, ...

You might have heard the term “polar vortex” thrown around during the winter months, but what does it really mean and how ...

The majority of the country will wake to bone-chilling temperatures Thursday, with dozens of temperature records at risk of being broken. The massive outbreak of cold air is connected to the polar ...

"An Arctic air mass is expected to plunge into the Central U.S. this week, with high confidence for widespread, ...

The polar vortex is a region of very strong winds that form a circle around the North Pole. The vortex is located in the stratosphere, the layer above the troposphere (the troposphere is where we ...

Different weather forces in the Arctic are combining to push the chilly air that usually stays near the North Pole not just into ... this winter that the polar vortex — which keeps the coldest ...