(Duluth, MN)  —  Duluth is reporting nearly two feet of accumulation following a second round of heavy snow across central and northern Minnesota.  Duluth’s Blizzard Warning was downgraded yesterday to a Winter Weather Advisory.  The snowfall ranks as the eighth biggest 48-hour storm to ever hit the city.  The National Weather Service in Duluth says the largest storm ever recorded for the city is the Halloween Blizzard in 1991.