A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation shows the vortex also moved away from the Arctic towards Europe. A major ...

Several days with temperatures of 10-20 degrees below the historical average could be dangerous to plants and ruin outdoor ...

A polar vortex is a large area of low-pressure and cold air that circulates around the Earth’s poles, typically confined to the Arctic or Antarctic regions. This swirling mass of frigid air is ...

It looks like it could get even colder heading into next week. Within the last decade, the phrase 'polar vortex' has become popularized in the weather world. In fact, you may have heard it getting ...

When the polar vortex begins to wobble and allows arctic air to spill south into northern Illinois in January, we usually end ...

Researchers from the University of Leeds have found there was an extremely strong stratospheric polar vortex (SPV) – a large spinning mass of cold air in the stratosphere around 15 miles above ...

Scientists say a "swirling polar vortex" miles above the Earth caused three deadly storms in the UK and Ireland, which brought severe flooding and record wind speeds. Four people lost their lives ...

"The large polar vortex disruption from the second week of March is playing a key role in next week’s eastern US cold snap," meteorologist Judah Cohen of Atmospheric and Environmental Research told ...