Polar lows and mesoscale cyclones represent a distinctive class of intense, short‐lived storm systems that frequently form in the cold maritime environments of the Nordic Seas. These phenomena, driven ...

Aviation forecasters utilize a "forecast funnel" approach, starting with large-scale upper-air charts (like the 300 millibar chart) to identify major weather patterns (e.g., polar vortex, subtropical ...

Enjoy your balmy Monday, South Florida: The polar vortex snarling much of the U.S. in snow and ice is on its way — and it’s planning to chill here for a few days. The National Weather Service is ...

A polar vortex is sending Arctic air deep into the United States this week, bringing record-low temperatures to the Midwest and Northeast. From Chicago to New York, forecasters warn of subzero ...