From: rsw@therandymon.com   
      
   From the «due to no fault at all of humankind's» department:   
   Title: Winter cold extremes linked to high-altitude polar vortex weakening   
   Author:   
   Date: Fri, 22 Sep 2017 09:40:27 -0400   
   Link: https://www.sciencedaily.com/releases/2017/09/170922094027.htm   
      
   When the strong winds that circle the Arctic slacken, cold polar air can escape   
   and cause extreme winter chills in parts of the Northern hemisphere. A new   
   study finds that these weak states have become more persistent over the past   
   four decades and can be linked to cold winters in Russia and Europe.   
      
      
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