Lake-Effect Snow — Southern Cayuga, New York

2021-02-19 to 2021-02-20 · Southern Cayuga, New York

Event narrative

Lake effect snow accumulated up to 8 inches.

Wider weather episode

Behind a departing storm system, a cold and moist northwest flow of air crossed the relatively warm waters of Lake Ontario. This brought heavy lake effect snow from the evening of the 19th through the evening of the 20th to portions of the Finger Lakes region, especially Onondaga and southern Cayuga counties. During the afternoon of the 20th, a lake effect band broke off and developed into a snow squall, causing multiple accidents and cars to drive off the road on Interstate 81 near Tully, NY.

Source: NOAA Storm Events Database, event_id 944371. Narrative written by the NWS forecast office that issued the report.