Oct 26, 2021
An upper level closed low meandered through the Great Lakes while slowly phasing with an Atlantic Nor'easter. Convergence along an inverted trough coincided with a strong push of Atlantic moisture to force periods of heavy rainfall south of Lake Ontario from Rochester eastward through the latter half of the day.
Source: NOAA National Weather Service Storm Events Database (event 990308). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Monroe County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.