Expect slick travel Monday into Tuesday
Cold air damming to play a role in outcome
Another early winter event, another mixed bag of precipitation on the way to start the work week. It would be wise to not only keep the firewood stocked for easy retrieval, but also salt and sand. Ice from freezing rain could stretch deep into northern and western areas before turning to snow. Cold air damming will tell the tale how long freezing rain continues for the western foothills over to southern Aroostook down to interior areas of the coastal plain. For the coastal region, the thermometer will need to be monitored closely. Some light ice is possible away from the shorelines before the changeover to rain. Add it all up, it will be a messy couple of days where driving could be tricky for a good portion of interior areas.
Low pressure off the southeast coast of the country moves northeast. The storm collides with cold air left behind from the arctic high bringing us the weekend cold as it heads into the Canadian Maritimes. It will drag down cold air behind it, turning any freezing rain or sleet to snow as the storm heads into Newfoundland Tuesday.
The western mountains on up into Aroostook have the best chance for a handful of inches of snow from this system, with lesser amounts to the south and east. This all is dependent on the timing of the changeover. The more freezing rain and sleet, the less snow. For the ski hills, the mixed bag could also affect totals in the idea presented here.
I will fine tune the timing and precipitation types and amounts in my next update planned for Sunday afternoon.
► ► For the latest official forecasts, bulletins and advisories, please check in with the National Weather Service in Gray for western and southern areas, or Caribou for northern and eastern parts of Maine.
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