This swirling mass of air above the Arctic can grow and bend, pushing blasts of frigid air south. Sea smoke, the result of extremely cold air blowing over warmer water, rises from Lake Michigan in ...
Above: A Von Karman vortex street downwind of the Canary Island chain in the eastern Atlantic Ocean off the coast of Africa on Feb. 27, 2015. Image credit: NASA Worldview. Editor's note: Meteorologist ...