A significant winter storm is becoming likely for the Triangle. Expect light snow to to begin late Monday night mainly after midnight. Expect any snow that fall to easily accumulate due to the cold air temperature and cold ground temperature. 1-3 inches of snow is possible over night monday. I expect the the snow to transition mainly to sleet early Tuesday morning before changing to freezing rain or rain Tuesday afternoon. A total accumulation of 2-6 inches of snow and sleet is possible by the end of the day Tuesday. Significant ice accrual is also possible. The sleet will transition back to light snow Tuesday night where another 1-2 inches of snow will be possible. Bitterly cold temperatures will also be a factor with this system. Expect temps to dip into the single digits Wednesday and possibly Thursday night. It's also likely temperatures will not rise above the mid 30's until Saturday.
While a major winter storm does look likely at this time the system is still a few days out. The type of frozen precip is still a big question mark. It's possible we could get more snow, sleet or freezing rain depending upon the propagation of the surface low. This would effect accumulation totals as well as the severity of the impacts of the storm. Also if the low tracks well onshore, rain during the day on Tuesday is not out of the question. Winter Storm Warnings should not be issued this early because of the aforementioned possibility.
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