And so it is as GYX writes below. It is just dumping.
My favorite part of this where it says "nearly stationary".
443 AM EST Wed Dec 24 2025
...An area of heavy snow will affect Kennebec...west central Knox...
northern York...Oxford...west central Waldo...Androscoggin...south
central Somerset...Lincoln...Cumberland...Sagadahoc and southern
Franklin Counties...
At 437 AM EST...An area of heavy snow was impacting much of western
and coastal Maine and nearly stationary.
Locations impacted include...
Belgrade, Scarborough, Jay, New Gloucester, Wales, Whitefield, Bath,
Fayette, Livermore Falls, Rangeley, Mount Abram, Smithfield, Frye
Island, Winslow, Lewiston, Boothbay, Bowdoin, Georgetown, Albany, and
Standish.
This includes the following highways...
Interstate 295 between mile markers 1 and 51.
Interstate 95 between mile markers 39 and 136.
This also includes...
Sebago Lake, Pleasant Mountain, Burnt Meadow Mountains, Saddleback
Mountain, and Mount Abraham.
Peaks Island, Long Island, Cushing Island, Cousins Island, and
Bailey Island.
* Visibilities will drop quickly to less than a half mile in this
area of heavy snow.
* Snowfall rates of 1 to 2 inches per hour are occurring in this
area of heavy snow.