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” ...

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

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

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

The polar vortex could be reversing in a sudden stratospheric warming event, with the potential to send Arctic air and storms ...

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 National Oceanic and Atmospheric Administration (NOAA) explains that a polar vortex is a large area of low pressure and cold air currents which circulate around both of the Earth’s poles. It has a ...

with the polar vortex winds sharply decelerating, and then more gradually slowing down as we head into March [footnote 2]. Observed and forecasted (NOAA GEFSv12) wind speed at the 10-hPa pressure ...

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

But energy circling the atmosphere can sometimes smash into the polar vortex, like two hands trying to fling a rubber band, stretching it into something more oblong than circular. That’s what ...