Flash Flood — Cortland, New York

2025-06-22 · near East Freetown, Cortland, New York

Event narrative

There was water over the roadway with debris at Knickerbocker Road.

Wider weather episode

A mesoscale convective system (MCS) dropped southward across Central NY from eastern Ontario, moving into an environment with plenty of moisture and instability during the early morning hours. Torrential rainfall accompanied these storms and produced widespread flash flooding and small river flooding. Estimates of 3 to 5 inches, with locally higher amounts, fell mostly within a 6-hour period.

View location on OpenStreetMap → (42.5600, -75.9300)

Source: NOAA Storm Events Database, event_id 1277292. Narrative written by the NWS forecast office that issued the report.