Aug 17, 2021
Above normal moisture laying across Central New York combined with an area of low pressure moving over Lake Ontario to produce numerous rounds of heavy rain producing thunderstorms during the afternoon. Weak frontal boundaries associated with the low pressure focused storms primarily over the Finger Lakes region where flash flooding was severe.
Source: NOAA National Weather Service Storm Events Database (event 980284). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Cayuga County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.