A polar vortex is currently hitting the United States ... According to the Windy weather map, temperatures are currently ...

A map shared by Jeff Berardelli ... experience temperatures below minus 10 degrees next week as a lobe of the polar vortex ...

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. A major ...

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

BISMARCK, N.D. (AP) — Harsh cold descended on the nation’s midsection Monday as a polar vortex gripped the Rockies and Northern Plains on the heels of weekend storms that pummeled the ...