This comes after record low temperatures were already set on Tuesday in New England. The Polar Vortex is a large, persistent area of low pressure and cold air near the poles and sits about 10-30 miles ...

A disruptive polar vortex is set to usher in three successive waves of Arctic air across the central and eastern United States through mid-December, bringing dangerously low temperatures and the ...

The polar vortex has broken, and severe temperatures are set to dominate most of the country in the coming days. Temperatures in the 10s are forecast for much of the Northeast, and subzero ...

In yet another sign that winter weather is either here or will be soon, the dreaded polar vortex is making news yet again. Its potential arrival in the United States over the next few weeks is cause ...

High above the North Pole, in a slice of atmosphere rarely noticed and even less understood, a transformation is underway. Over the next 10 days, changes in the stratosphere will upend weather ...

In an early sign of the winter weather that's coming, the dreaded polar vortex is making news yet again. The polar vortex is "ramping up from its summer slumber," said meteorologist Judah Cohen in an ...

School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, China This study employs potential flow theory with a discrete-vortex method to model the unsteady aerodynamics of a flat ...

Abstract: Vortex waves have wide application prospects in sensing and communication fields. The orthogonality of different orders expands the dimension of information carried by vortex waves and ...

When a tank’s autoloader fails, all is not lost—manual loading procedures exist, but they vary by model and scenario. Using original Yugoslav M84 manuals and T-80 references, this video outlines ...