WASHINGTON —Remember the polar vortex, the term some used last winter to mean the huge mass of Arctic air that can plunge much of the U.S. into the deep freeze? You might have to get used to it

A new study says that as the world gets warmer, parts of North America, Europe and Asia could see more frequent and stronger visits of that cold air.

Researchers said that’s because of shrinkage in ice in the seas off Russia.

Less ice would let more energy go from the ocean into the air, and that would weaken the atmospheric forces that usually keep cold air trapped in the Arctic.

Graphic KCCI Des Moines, Sept 2, 2014
Accuweather, January 19, 2014

USAToday:

Normally, the polar vortex is penned in the Arctic. But at times it escapes and wanders south, bringing with it a bit of Arctic super chill.

Continue reading “Is the Polar Vortex a Product of Climate Change?”