A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.

Forecasters warn that a split polar vortex is set to bring a 'large supply of cold air' to North America in mid-February as a ...

The polar vortex could bring life-threatening weather conditions to some of the worst-hit areas ... Overall, about 300 million Americans are expected to be impacted by the vortex. A map shared by Jeff ...

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 ...

A strong, stable vortex is like a skater spinning with their arms tucked closely in, holding in an area of cold air over the Arctic. But when there’s a wobble in the rotation, winds in the vortex can ...

Brits could face several inches of snow in the coming days according to shocking new weather maps, with forecasters also ...

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

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

Latest weather maps show that a 'polar vortex split' is about to hit the UK causing wintry chaos. It could being up to 11 ...

Meteorologists and the Met Office have given verdicts into the polar vortex 'dislocation' which could spark winter hell for ...