'Polar vortex' already brings cancellations

Antigo is bracing for a potentially historic blast of cold air beginng tonight, and just the warnings of what’s to come is causing early school closures, cancellations, and, in at least one instance, businesses closing early. The reason? A “polar vortex,” as one meteorologist calls it, which will send cold air piled up at the North Pole down to the U.S., funneling it as far south as the Gulf Coast. Full story: Antigo Daily Journal