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      Heavy Snow off Lake Superior

      Lake-effect got going early today as a pocket of very cold air along with a strong disturbance dropped into Upper Michigan. Temperatures fell during the day along with snow in the west-northwest and then the northwest-wind snow belts.

      The heaviest snow so far fell over some western and west-central sections. For instance, I drove through some very heavy snow this morning in the high country of Baraga County from roughly Covington Junction to Alberta. Visibility through that stretch was down below a quarter-mile at times.

      Early tonight, the heaviest snow will first be centered over the western highlands from the Gogebic Range into the high country of Ontonagon County with a northwest wind flow. Later tonight, the wind will veer northerly and bring heavy snows into the area around Marquette while snows continue on the west end. In total, 8 to as much as 12 inches of snow will fall over the higher terrain of these locations with the possibility of a little more out west around Ironwood. The heaviest snows around Marquette will fall in the highlands west of the city. In between these areas, 3 to 6 inches of additional snow is likely around Lâ??Anse and Baraga up into the Copper Country. East of Marquette, similar amounts will fall, especially over western Alger Country.

      In the southern U.P., no significant snow is expected right through the holiday weekend. It will be cold, though, all over the Upper Great Lakes and the central U.S. There are signs of some moderation as we begin the new month late this weekend. However, that will likely be only temporary as an extremely cold air mass is forecast to drop into western North America from the arctic early next week (Image 2 above). This cold air will eventually press eastward and probably bring us the quickest start to winter in years.