A low pressure system moved into the Great Lakes on the afternoon of the 18th. Snow moved into the region in the evening and quickly became moderate to heavy at times. Secondary low pressure developed in the vicinity of Long Island and moved into the Gulf of Maine, prolonging snow into the early morning of the 19th. The heaviest snowfall was confined to roughly a 6 hour window centered around 2:00 am on the 19th. The approach of a cold front from the northwest extended snowfall into the mornings hours in the higher terrain before it finally ended as upslope snow showers.

Winter Storm in NORTHERN OXFORD, MAINE
From 18-JAN-20 19:00:00 to 19-JAN-20 06:00:00 (EST-5)
Reported by: Trained Spotter

Snow began on the evening of the 18th and quickly became moderate to heavy through midnight. Snow tapered off but lingered through 6:00 am on the 19th with the approach of a cold front from the west. Behind the front upslope snow showers continued into the afternoon. Snow totals ranged from 5 to 7 inches.

Winter Storm in SOUTHERN FRANKLIN, MAINE
From 18-JAN-20 20:00:00 to 19-JAN-20 07:00:00 (EST-5)
Reported by: Trained Spotter

Snow began on the evening of the 18th and quickly became moderate to heavy through midnight. Snow tapered off but lingered through 6:00 am on the 19th with the approach of a cold front from the west. Behind the front upslope snow showers continued into the afternoon. Snow totals ranged from 5 to 7 inches.

Winter Storm in SOUTHERN SOMERSET, MAINE
From 18-JAN-20 21:00:00 to 19-JAN-20 07:00:00 (EST-5)
Reported by: Trained Spotter

Snow began on the evening of the 18th and quickly became moderate to heavy through midnight. Snow tapered off but lingered through 6:00 am on the 19th with the approach of a cold front from the west. Snow totals ranged from 5 to 7 inches.

Winter Storm in KENNEBEC, MAINE
From 18-JAN-20 20:00:00 to 19-JAN-20 07:00:00 (EST-5)
Reported by: Trained Spotter

Snow began on the evening of the 18th and quickly became moderate to heavy through midnight. Snow tapered off but lingered through 6:00 am on the 19th with the approach of a cold front from the west. Snow totals ranged from 5 to 7 inches.

Winter Storm in INTERIOR WALDO, MAINE
From 18-JAN-20 21:00:00 to 19-JAN-20 07:00:00 (EST-5)
Reported by: Trained Spotter

Snow began on the evening of the 18th and quickly became moderate to heavy through midnight. Snow tapered off but lingered through 6:00 am on the 19th with the approach of a cold front from the west. Snow totals ranged from 5 to 7 inches.

Winter Storm in LINCOLN, MAINE
From 18-JAN-20 20:00:00 to 19-JAN-20 07:00:00 (EST-5)
Reported by: Trained Spotter

Snow began on the evening of the 18th and quickly became moderate to heavy through midnight. Snow tapered off but lingered through 6:00 am on the 19th with the approach of a cold front from the west. Snow totals ranged from 5 to 7 inches.

Winter Storm in INTERIOR CUMBERLAND, MAINE
From 18-JAN-20 19:00:00 to 19-JAN-20 05:00:00 (EST-5)
Reported by: Trained Spotter

Snow began on the evening of the 18th and quickly became moderate to heavy through midnight. Snow quickly came to an end as the upper dry slot moved overhead. Snow totals ranged from 5 to 7 inches.

Winter Storm in COASTAL YORK, MAINE
From 18-JAN-20 18:00:00 to 19-JAN-20 02:00:00 (EST-5)
Reported by: Trained Spotter

Snow began on the evening of the 18th and quickly became moderate to heavy through midnight. Snow quickly came to an end as the upper dry slot moved overhead. Snow totals ranged from 5 to 7 inches.