Three separate rounds of Arctic air have already swept across the central and eastern United States through mid-December, ...

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

The Polar vortex is causing temperatures to plummet dangerously across the Philadelphia region, and frostbite could become a ...

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

Thanksgiving is less than a week away which means the fall season is ending. With it comes colder temperatures from an ...

Forecasters say millions of people in the Midwest and Great Lakes will see record-shattering wind chills from 40 to 65 degrees below zero this week — cold so extreme it could cause frostbite on ...

A polar vortex is set to bring weeks of icy temperatures to the Lower Hudson Valley and New York City. According to AccuWeather, a polar vortex occurs when several low-pressure bursts of cold air move ...

The process of vortex ring generation and propagation has received substantial treatment in the literature. A common ring generation geometry consists of a piston moving through tube that exits into a ...