Cities across the U.S. are bracing for cold temperatures as a polar vortex arrives, bringing temperatures down to much below ...
These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...
The polar vortex is like a giant, swirling pool of super-cold air in the upper atmosphere over the North Pole. Imagine it like a children's spinning top. When the top is spinning fast and ...
It's going to get cold in Tennessee. Meteorologists predict freezing temperatures for much of the state. Here's the latest.
Our next outbreak of bitterly air will arrive next week, plunging temperatures well below average for a time. But where does this cold air come from? It has an Arctic origin near the North pole! A ...
The polar vortex is always around. It is a channel of strong winds high up in the atmosphere that circles the poles. One over ...