Hot Alaska, Cold Georgia: The Shifted Polar Vortex Turned Winter Upside-Down

Hot Alaska, Cold Georgia: The Shifted Polar Vortex Turned Winter Upside-Down  reports Ryan Koronowski at Climate Progress. The jet stream morphed from a gently sinuous circulation of  circumpolar winds to a dramatically loopy one.  The western, “downhill” side of such a loop over North America brought polar cold deep into the southern US. Simultaneously, the dramatic “uphill” side preceding it (further west )brought air from an unusually warm Pacific up to Alaska, delivering dramatically warm weather. Both events disrupted life north and south. Such jet stream “mood swings” are predicted to occur more often under continuing global heating –  so get ready for even more interesting times!


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About melharte

Mel (Mary Ellen) Harte is a biologist (PhD) and climate change educator. She co-authored the free online book, COOL THE EARTH, SAVE THE ECONOMY, available at www.CoolTheEarth.US, and writes the CLIMATE CHANGE THIS WEEK column at the HuffingtonPost. Living summers in the alpine Rockies, she is on the frontlines of watching what climate change can do. Her diagnostic digital photographs of wildflowers have appeared in numerous publications.
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