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

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

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

Learn more about polar vortex collapse - the weather phenomenon likely to cause cold snap across much of UK in coming weeks ...

An in-depth look at the forecasted polar vortex collapse and its potential effects on weather patterns across North America this March ...

Hidden in the stormy Furious Fifties, the South Sandwich Islands generate spectacular cloud formations. Winds sweeping past ...

Under the nighttime California sky, NASA’s Electrojet Zeeman Imaging Explorer (EZIE) launched aboard a SpaceX Falcon 9 rocket ...

Michael Connelly has set his characters loose in a city of big dreams and lucky breaks. Now they’re facing an altered ...

Scientists say it’s being caused by a misbehaving polar vortex combining with a key ... the river of air over the US that storms flow through –— that also separates cold air from warm ...

After a weekend of blue skies and warm sunshine, the coming week is going to be quite the shock to the system. | ITV National News ...

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