A powerful polar vortex slams an already-frozen state as NOAA warns the deep freeze could last for weeks, bringing extreme ...

When the polar vortex stumbles, the weather at ground level can pivot from mild to brutal in a matter of days. A circulation ...

GRAND RAPIDS, Mich. — Remember the term polar vortex? We have heard about it and felt that bitter cold arctic air during plenty of West Michigan winters, but what is a vortex and how does it work?? We ...

A late-season polar vortex could extend America's winter-like temperatures into early spring, according to AccuWeather. So far in December, temperatures across the nation have trended above average.

Urban drainage systems have increasingly incorporated vortex flow mechanisms to efficiently dissipate hydraulic energy while minimising structural damage and regulating discharge. Vortex drop shafts ...

STATEN ISLAND, N.Y. — Despite Staten Island Chuck’s recent forecast for an early spring, it appears that New York City residents must brace for yet another wave of Arctic air. Last month, the five ...

Cross-polar flow is a phenomenon that describes the movement of air over the North Pole. For U.S. context, this generally describes the movement of air from Siberia into North America.