The polar vortex is a mass of cold air swirling high above the Arctic. Scientists closely monitor atmospheric shifts that could disrupt it and influence weather patterns on the surface. Forecasts ...

As the National Weather Service explains, the polar vortex is an area of low pressure and cold air that exists over both of ...

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 ...

Spring will be here before you know it. Here are the four top tasks to tackle in the garden before it officially arrives.

WASHINGTON—The polar vortex hit its peak across much of America on February 19, with an icy grip that made Arctic Greenland seem like a toasty vacation spot in comparison. Even Mars has been ...

RELATED: Bay Area begins transition from rainy and windy to sunny and cold Scientists say it’s being caused by a misbehaving polar vortex combining with a key weather pattern that seems to be ...

January and February have been colder than normal in Rochester this year One reason its so cold in Rochester is a distortion in the polar vortex Other factors include tropical fluctuations that ...

It’s really, really cold again — as the US shivers through at least the eighth blast of air from the Arctic this winter. Winter, which is warming faster than any other season for much of the ...

Scientists say it’s being caused by a misbehaving polar vortex combining with a key weather pattern that seems to be stuck in place. Some scientists say these factors and this winter could be ...