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

The polar vortex is a “constant feature” that begins to develop sometime in September and persists through sometime in spring ...

The polar vortex could bring a cold blast to millions across America in the second half of March, AccuWeather said in a media ...

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 ...

Because this is the Polar Vortex Blog, we would love to be able to tell you how the stratospheric polar vortex is doing super cool things that can explain how cold and snowy it’s been in many ...

There is a sudden warming about to happen high up in the atmosphere. This warming will affect the Polar Vortex. The Polar Vortex is a fast-spinning circular motion usually located about 50,000 ...

During the winter, the polar vortex can strengthen and weaken - and even reverse direction - which has effects on the weather ...

A polar vortex collapse is an event that occurs when the layer between 10km and 50km above Earth’s surface warms up to 50 ...

The polar vortex is a circulation of fast-moving winds that are high ... However, it is important to bear in mind that currently the air from the east is not as cold as it could be in the winter ...

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 ...