What to know about the polar vortex There have been several polar vortex episodes across the United States this winter, with the mass of freezing air surging southward from Greenland and Canada.

The United States is preparing for a severe drop in temperatures and an icy onslaught as it anticipates the season's coldest arctic blast. This latest polar vortex, one of approximately nine to ...

The winter weather outlook from both Farmers' Almanac and the Old Farmer's Almanac predict tough conditions ahead for 2025.

When high pressure builds into the Arctic Circle, the polar vortex is pushed south and away from the pole, giving it an opportunity to sink into the United States.

This is because the polar vortex has stretched and sent cold air south into the United States ten times this season. Typically, this might happen only once, maybe two or three times in a normal ...

Computer forecast models say that the polar vortex is likely to stretch again, sending cold air south somewhere and probably to the United States, around March 5, Cohen said. This is quite late ...

Computer forecast models say that the polar vortex is likely to stretch again, sending cold air south somewhere and probably to the United States, around March 5, Cohen said.

Computer forecast models say that the polar vortex is likely to stretch again, sending cold air south somewhere and probably to the United States, around March 5, Cohen said.