He’s my go-to meteorologist when the polar vortex appears to be making a move. Cohen says the models he trusts show the polar vortex becoming tightly wound up, gradually over the next two weeks.

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 ...

These experiments examines the flow field in the region where a moving wall slides under a stationary one ... The transitional regime of vortex development is marked by the appearance of an ...

Two cyclones from the Pacific Northwest will move across the country during Thanksgiving week along with an intrusion of ...

The polar vortex is a “constant feature” that begins ... and then air masses around it push it and move it around across the globe,” said Pastelok. Should this leak occur, the encroaching ...

Scott McIntosh, a solar physicist and deputy director at the National Center for Atmospheric Research in Boulder, Colorado, told Space.com that the prominence mentioned by Skov appears exactly at the ...