Rapidly intensifying low pressure tracked across the Gulf of Maine through the morning hours of the 3rd...exiting across the Maritimes through the afternoon and evening. A wintry mix developed across Downeast areas during the late evening of the 2nd. Precipitation...mostly in the form of snow...then expanded north across the remainder of the region through the morning of the 3rd. Snow...heavy at times with rates of 1 to 2 inches per hour...persisted across northern areas into the early evening. Snow then diminished through the late evening hours. A wintry mix of snow...sleet and freezing rain persisted across Downeast areas through the morning then diminished during the afternoon. Warning criteria sleet accumulations occurred across Downeast areas through the morning of the 3rd. Warning criteria snow accumulations occurred through the late morning into the afternoon across northern areas. Storm total snow accumulations from eastern Aroostook across northern and central Penobscot counties generally ranged from 8 to 12 inches. Accumulations of 6 to 10 inches occurred in area from central and southern Piscataquis county into northwest portions of southern Penobscot county. Storm total sleet accumulations across much of Downeast Maine ranged from 1.00 to 2.00 inches along with up to around a quarter of an inch of ice and 1 to 3 inches of snow.

Winter Storm in COASTAL WASHINGTON, MAINE
From 02-DEC-19 23:00:00 to 03-DEC-19 13:00:00 (EST-5)
Reported by: Trained Spotter

Storm total sleet accumulations ranged from a half inch up to 2 inches...along with 1 to 2 inches of snow and up to around a quarter inch of ice.

Heavy Snow in NORTHEAST AROOSTOOK, MAINE
From 03-DEC-19 06:00:00 to 03-DEC-19 23:00:00 (EST-5)
Reported by: Trained Spotter

Storm total snow accumulations ranged from 8 to 12 inches.

Winter Storm in COASTAL HANCOCK, MAINE
From 02-DEC-19 21:00:00 to 03-DEC-19 13:00:00 (EST-5)
Reported by: Trained Spotter

Storm total sleet accumulations ranged from 1 to 2 inches...along with 1 to 2 inches of snow and up to around a quarter inch of ice.

Winter Storm in NORTHERN WASHINGTON, MAINE
From 03-DEC-19 02:00:00 to 03-DEC-19 16:00:00 (EST-5)
Reported by: Trained Spotter

Storm total sleet accumulations ranged from 1 to 2 inches...along with 3 to 5 inches of snow.

Heavy Snow in SOUTHERN PISCATAQUIS, MAINE
From 03-DEC-19 02:00:00 to 03-DEC-19 20:00:00 (EST-5)
Reported by: Trained Spotter

Storm total snow accumulations ranged from 6 to 8 inches.

Winter Storm in CENTRAL WASHINGTON, MAINE
From 02-DEC-19 23:00:00 to 03-DEC-19 13:00:00 (EST-5)
Reported by: Trained Spotter

Storm total sleet accumulations ranged from 1 to 2 inches...along with 1 to 3 inches of snow and up to around a quarter inch of ice.

Winter Storm in SOUTHERN PENOBSCOT, MAINE
From 02-DEC-19 23:00:00 to 03-DEC-19 20:00:00 (EST-5)
Reported by: Trained Spotter

Storm total sleet accumulations ranged from 1 to 2 inches...along with generally 3 to 7 inches of snow. However...snow totals locally ranged up to around 10 inches across northwest portions of the region in the Dexter and Corinna areas.

Winter Storm in INTERIOR HANCOCK, MAINE
From 02-DEC-19 23:00:00 to 03-DEC-19 16:00:00 (EST-5)
Reported by: Trained Spotter

Storm total sleet accumulations ranged from 1 to 2 inches...along with 2 to 4 inches of snow.

Heavy Snow in CENTRAL PENOBSCOT, MAINE
From 03-DEC-19 02:00:00 to 03-DEC-19 20:00:00 (EST-5)
Reported by: Trained Spotter

Storm total snow accumulations ranged from 7 to 10 inches.

Heavy Snow in NORTHERN PENOBSCOT, MAINE
From 03-DEC-19 04:00:00 to 03-DEC-19 23:00:00 (EST-5)
Reported by: Trained Spotter

Storm total snow accumulations ranged from 7 to 10 inches.

Heavy Snow in SOUTHEAST AROOSTOOK, MAINE
From 03-DEC-19 04:00:00 to 03-DEC-19 23:00:00 (EST-5)
Reported by: Trained Spotter

Storm total snow accumulations ranged from 8 to 11 inches.