Climate Central: The chatter about this weekends snowstorm has reached a fever pitch. And while snow total maps are de rigueur for any weather site worth its road salt, its the coastal flood impacts that could also go down in the record books and drive major damage. Areas north and west of Washington, D.C. are under a blizzard watch from Friday afternoon through late Saturday. The National Weather Service is warning of potential life threatening conditions due to strong winds and heavy snow. Parts of the Washington,...