As the National Weather Service explains, the polar vortex is an area of low pressure and cold air that exists over both of ...

It’s really, really cold again – as the US shivers through at least the eighth blast of air from the Arctic this winter. Here ...

Von Karman vortex streets are a linear chain of spiraling whirlwinds. They were named after Theodore Von Karman, a co-founder of NASA's Jet Propulsion Laboratory, regarded by many as the ...

While cold temperatures and snow are not at all unexpected in many parts of the world, they are quite rare in others. In ...

The term “polar vortex” might conjure images of mythical icy storms swirling through the North Pole but in reality it’s a crucial component of our ... Read more The post What Causes the “Polar Vortex” ...

Millions of Americans were hit with blustery blizzards last month when a polar vortex collapse ushered in below freezing temperatures across much of North America ...

A polar vortex collapse is expected over the next two weeks, causing extreme winter weather and travel disruption across North America. The weather phenomenon is expected to develop in mid-March, ...

The polar vortex is a “constant feature” that begins to develop sometime in September and persists through sometime in spring ...

After Feb dumped a wave of unconditionally severe winter weather in the US, March is about to unleash those conditions again due to the polar vortex collapse.

The Met Office says there is an 80 per cent chance of sudden stratospheric warming in March, which could bring severe and ...

Whether or not it’s connected to climate change, the pattern is still rearing its head this winter and it’s working in tandem with the polar vortex. The jet stream and frigid air just could ...