Jan 18, 2020
A relatively deep, progressive mid-level trough crossed southern Ontario and the Lower Great Lakes Saturday night and early Sunday, January 18-19. The associated weak surface low tracked across southern Ontario in the process with widespread mixed synoptic precipitation eventually giving way to disorganized lake snows by daybreak Sunday. As the cold air deepened and the cap rose to nearly 10,000 feet, multiple bands of moderate to occasionally heavy lake snow became established east of the lake
Source: NOAA National Weather Service Storm Events Database (event 872155). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Chautauqua County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.