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

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

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

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

The National Oceanic and Atmospheric Administration (NOAA) explains that a polar vortex is a large area of low pressure and ...

The polar vortex breakdown event is forecast to be more expansive than the tenth and coldest polar vortex that blasted across ...

NOAA Climate.gov image, adapted from original by Laura Ciasto. This winter, the polar vortex winds have stayed consistently stronger than average, corresponding to anomalously low atmospheric ...

The National Oceanic and Atmospheric Administration (NOAA) explains that a polar vortex a large area of low pressure and cold air surrounding both of the Earth's poles. The vortex describes the ...

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

The polar vortex has been “considerably stronger” than usual this year, according to Laura Ciasto, a meteorologist with NOAA’s Climate Prediction Center, which should keep record-breaking ...

A polar vortex is a ‘large area of low pressure and cold air surrounding both of the Earth’s poles’ that ‘ALWAYS exists near ...