Meteorologist Caitlin Harvey explains the science behind the dreaded polar vortex. TOP STORIES FROM KETV: Significant winter storm set to impact parts of Nebraska, Iowa this weekend 1 woman dead ...

How the Polar Vortex Can Bring Arctic Blasts to the U.S. Vast weather patterns can carry blasts of frigid air far from the ...

This cold was certainly extraordinary, but the polar vortex event of January 2019 brought life in the northern and central United States to a frozen halt. At that time in our area, the coldest actual ...

The unseasonable chill that has swept through the eastern half of the US defies last year's mild winters and the South's ...

Arctic air came crashing behind the snowstorm ... The cold blast was the result of a lobe of the dreaded polar vortex dropping southward into the United States. It is a largely misunderstood ...

Such cold air blasts have become known as the polar vortex. It’s a long-established weather term that’s become mainstream as its technical meaning changed a bit on the way. What it really ...

3, 2025: Our weekly roundup of the latest science in the news ... It's a chilly start to 2025 for many as an expanding polar vortex is expected to bring dangerously low temperatures to the ...

Freezing weather is expected to hit the eastern US in the coming days as the polar vortex moves. Temperatures are expected to remain below average for the south-east and East Coast through the ...