With the city caught in the icy grip of a polar vortex, model Daniela Lopez heats things up with a sultry Sports Illustrated swimsuit shoot.. Far from the shoot’s Dominican setting, the city ...

After the Polar Vortex disruption, colder than average air usually shows up in the U.S. The Polar Vortex is a circular, swirling movement of air at the very top of the upper atmosphere.

A meteorology researcher sees the potential for the first Polar Vortex disruption of the winter. After the Polar Vortex disruption, colder than average air usually shows up in the U.S.

Wind produced the bulk of the power available in the renewable polar vortex model, and, along with solar power coming online during the daytime peak, was able to cover peak daytime loads.

The next time a polar vortex rips through the U.S., electric vehicle owners should be prepared to be frustrated if they don’t take special care of their battery-powered rides.

The new model, known as the Coherent-vorticity-Preserving Large-Eddy Simulation (CvP LES), requires less data processing, less time, and more accuracy to model vortex behavior without the need for ...