Everything You Wanted to Know About the ‘Polar Vortex’ That’s Engulfed Much of N. America with Freezing Temps

How can such a thing happen with global warming?  If climate change is real, then how did it get so cold?

  • The Polar Vortex, a huge system of moving swirling air that normally contains the polar cold air, has shifted so it is not sitting right on the pole as it usually does,”  Laden writes. “We are not seeing an expansion of cold, an ice age, or an anti-global warming phenomenon. We are seeing the usual cold polar air taking an excursion. So, this cold weather we are having does not disprove global warming.
  • Arctic warming, she said, is causing less drastic changes in temperatures between northern and southern climates, leading to weakened west-to-east winds, and ultimately, a wavier jet stream. The stream’s recent “waviness” has been taking coldness down to the temperate United States and leaving Alaska and the Arctic relatively warm, Francis said. The same thing has been happening in other countries as well. Winter storms have been pounding the U.K., she noted, while Scandinavia is having a very warm winter.“The drunk part is that the jet stream is in this wavy pattern, like a drunk walking along,” Francis, who primarily studies Arctic links to global weather patterns, said. “In other places, you could see the tropics are drunk.”

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