Deep penetration of cold temperatures and a coastal storm will bring bomb cyclone and polar vortex into your newsfeeds.

A huge winter storm has reignited confusion about the polar vortex, the jet stream and what climate change really means for winter weather ...

The term "polar vortex" seems to be popping up in weather forecasts more and more often, ever since North America got blindsided by a stunningly frigid winter back in 2014. The polar vortex isn't a ...

Michigan is experiencing frigid temperatures and heavy snow due to a dip in the jet stream, not the polar vortex. The polar vortex is a large-scale cyclone of cold air that typically stays far north ...

The polar vortex, a mass of frigid Arctic air, pushed southward, causing temperatures around Niagara Falls to drop drastically. This sudden chill led to an extraordinary phenomenon: the mist from the ...