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

Every U.S. state but Hawaii, California and Florida have some or all parts forecast ... Obviously this isn’t the first polar vortex episode of the winter, but it looks to be the most severe.” A ...

The polar vortex is a persistent area of low pressure ... But why does Southern California not feel these temperatures? Well when we look at the graphic below, we see a ridge of high pressure ...

The polar vortex has taken on an unexpected pattern this winter — one that’s made part of the United States the most unusually cold place on the planet, at least so far this year. While the ...

Scientists say it’s being caused by a misbehaving polar vortex combining with a key weather ... a research scientist with the University of California, Berkeley, said, noting that when we ...

“We’re definitely shifting the goal posts on what winter looks like,” Zeke Hausfather, a research scientist with the University of California ... of a stretched polar vortex that has ...