A fast moving intensifying low tracked across the Gulf of Maine...close to the Downeast coast...to New Brunswick from the 15th to the 16th. Snow expanded northeast across the region through the early morning hours of the 16th...persisting into the afternoon. Bands of heavy snow occurred across northern portions of the region...with snowfall rates of 1 to 2 inches per hour at times. Warning criteria snow and sleet accumulations occurred during the early afternoon hours. Precipitation then diminished through the mid and late afternoon. Storm total snow accumulations across northern portions of the region generally ranged from 6 to 10 inches. Across central portions of the region...snow accumulations ranged from 3 to 6 inches along with 1 to 2 inches of sleet. Across interior Downeast areas...snow accumulations ranged from 2 to 5 inches along with 1 to 3 inches of sleet.

Heavy Snow in CENTRAL PISCATAQUIS, MAINE
From 16-FEB-21 04:00:00 to 16-FEB-21 15:00:00 (EST-5)
Reported by: Trained Spotter

Storm total snow accumulations ranged from 5 to 8 inches.

Heavy Snow in NORTHERN PISCATAQUIS, MAINE
From 16-FEB-21 04:00:00 to 16-FEB-21 15:00:00 (EST-5)
Reported by: Park/Forest Service

Storm total snow accumulations ranged from 5 to 8 inches.

Winter Storm in SOUTHERN PISCATAQUIS, MAINE
From 16-FEB-21 03:00:00 to 16-FEB-21 15:00:00 (EST-5)
Reported by: Trained Spotter

Storm total snow accumulations ranged from 3 to 6 inches...along with 1 to 2 inches of sleet.

Winter Storm in INTERIOR HANCOCK, MAINE
From 16-FEB-21 02:00:00 to 16-FEB-21 15:00:00 (EST-5)
Reported by: Trained Spotter

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

Winter Storm in SOUTHERN PENOBSCOT, MAINE
From 16-FEB-21 02:00:00 to 16-FEB-21 15:00:00 (EST-5)
Reported by: Trained Spotter

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

Heavy Snow in NORTHWEST AROOSTOOK, MAINE
From 16-FEB-21 04:00:00 to 16-FEB-21 17:00:00 (EST-5)
Reported by: Trained Spotter

Storm total snow accumulations ranged from 5 to 9 inches.

Heavy Snow in NORTHERN PENOBSCOT, MAINE
From 16-FEB-21 04:00:00 to 16-FEB-21 15:00:00 (EST-5)
Reported by: Trained Spotter

Storm total snow accumulations ranged from 5 to 8 inches.

Winter Storm in CENTRAL PENOBSCOT, MAINE
From 16-FEB-21 03:00:00 to 16-FEB-21 15:00:00 (EST-5)
Reported by: Trained Spotter

Storm total snow accumulations ranged from 4 to 6 inches...along with 1 to 2 inches of sleet.

Winter Storm in NORTHERN WASHINGTON, MAINE
From 16-FEB-21 03:00:00 to 16-FEB-21 15:00:00 (EST-5)
Reported by: Trained Spotter

Storm total snow accumulations ranged from 3 to 4 inches...along with 1 to 3 inches of sleet.

Winter Storm in CENTRAL WASHINGTON, MAINE
From 16-FEB-21 02:00:00 to 16-FEB-21 15:00:00 (EST-5)
Reported by: Trained Spotter

Storm total snow accumulations ranged from 2 to 4 inches...along with 1 to 3 inches of sleet.

Heavy Snow in SOUTHEAST AROOSTOOK, MAINE
From 16-FEB-21 04:00:00 to 16-FEB-21 15:00:00 (EST-5)
Reported by: Trained Spotter

Storm total snow accumulations ranged from 4 to 8 inches.

Heavy Snow in NORTHEAST AROOSTOOK, MAINE
From 16-FEB-21 04:00:00 to 16-FEB-21 17:00:00 (EST-5)
Reported by: Trained Spotter

Storm total snow accumulations ranged from 7 to 10 inches.

Heavy Snow in NORTHERN SOMERSET, MAINE
From 16-FEB-21 04:00:00 to 16-FEB-21 15:00:00 (EST-5)
Reported by: Other Federal Agency

Storm total snow accumulations ranged from 5 to 8 inches.