A big reason is we have another lobe of the Polar Vortex that is going to shift south into far southern Canada. This lobe of ...

A lobe of the polar vortex, a stormy ring that typically keeps the coldest air locked up near the North Pole, will dip southward into the United States this weekend into next week. Polar air ...

According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, about 10 to 30 miles above the North Pole, during the winter season. It is ...

The vortex is essentially an area of low pressure in the upper layers of the atmosphere over the polar region up north. This ...

When the Polar Vortex is in a weakened state, a jet stream wobble sending polar air into the mid-latitudes becomes more ...

two bands of fast-moving air – the polar jet stream and the stratospheric polar vortex – sometimes tango together to influence weather in the northern hemisphere. As the Arctic continues ...

Winter in the CSRA is usually mild overall, but every now and then, we get a taste of true Arctic air. If you’ve ever ...

As we prepare for a very busy weather week, what comes next? We told you earlier in the month the polar vortex was going to ...

The upcoming midweek storm is one of several systems that promises to bring precipitation and eventually the month's coldest ...

This is where we live and where all weather happens, essentially. The layer above that is the stratosphere. For the purposes of this article, we're talking about the stratospheric polar vortex.