Winter Storm in Northeast Suffolk, New York

A trained spotter reported 5.5 inches in Orient before the snow completely ended, and 6.8 inches in Mattituck around the time the accumulating snow ended. Other reports included; 5.0 inches in Cutchogue, 4.0 inches in Shelter Island, 3.9 inches in Baiting Hollow, and 2.0 inches in Upton via the NWS. Amounts dropped off once west of the northern fork with a general 1 to 4 inches reported across the western portion of the zone. The heavier snowfall and wind impacted mainly the north fork of the island.

A low pressure system developed offshore along an arctic cold front. A trough feature developed and extended west from the intensifying offshore low that enhanced snowfall across far eastern portions of the county warning area, specifically the eastern end of Long Island and impacting the twin forks with heavy snow and wind.