A polar vortex variation is approaching, and forecasters note its velocity and design challenge long-standing winter climate benchmarks widespread disorder predicted
There was no Hollywood music with the alert, just a soft ping on forecasters’ screens and a tight knot in their stomachs. Thirty kilometres above the Arctic, over a dark ocean that no one can see, a huge ring of icy air is twisting out of shape and speeding up in a way that doesn’t … Read more