Polar Vortex Is Blasting the U.S.w/ PROFESSOR GRIFF
Another Polar Vortex Is Blasting the U.S. With Harsh Winter Weather. So How Is Climate Change Involved?
A recent study explains how warmer temperatures at the top of the planet destabilize the jet stream and allow colder air to travel south.
Bitter cold envelops US south as central states recover from freeze
