It has been a frigid week, all due to the polar vortex. You may have heard our Weather Authority mention the polar vortex several times, especially this week. The polar vortex is a large area of cold ...
When the vortex is stable, the polar jet stream shifts northward, helping to keep the coldest air within the Arctic. However, when this stable scenario breaks down, it can mean an intense cold ...
But here’s where things get interesting: the polar vortex’s behavior is closely tied to the jetstream, a fast-moving river of air that flows high above the Earth. The jetstream acts like a ...