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      Possible light icing for portions of the U.P.

      A new upper-air disturbance coming up from the southwest threathens portions of the U.P. with some snow and even light freezing rain Monday morning. Snow will likely develop in the wee hours of the morning over far western Upper Michigan and gradually spread eastward. At the same time, warmer air aloft will flow up from the south. That means the precipitation could come down as light freezing rain for a time, especially from portions of Ontonagon and Gogebic Counties away from Lake Superior and then eastward through Iron County, parts of Dickinson County and southern Houghton County by morning.

      By mid-morning, temperatures should warm above freezing, ending the icing threat. Farther east, by the time the precipitation arrives, temperatures and road surfaces will probably be a little above freezing. The National Weather Service has issued a Winter Weather Advisory for Gogebic County starting at 1 a.m. Central time. The Advisory goes into effect for Ontonagon, Iron, southern Houghton and Dickinson Counties at 5 a.m. Eastern, 4 a.m. Central time. The Advisory is due to expire in all areas by mid-morning.