A once-in-a-generation snowstorm, tied to the polar vortex event across the Lower ... as did city schools. New Orleans is also seeing its all-time snowiest day based on modern records taken ...

10th polar vortex of the season hits the U.S. Here’s what to know With record snow in New Orleans last month and drought and destructive wildfires in Southern California, this winter has not ...

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

A shift in the polar vortex could bring a blast of Arctic air to millions of Americans in the second half of March, forecasters have warned. The polar vortex usually keeps cold Arctic air confined ...

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.