Flash Flood — Delaware, New York

2025-05-04 · near Walton, Delaware, New York

Event narrative

Flooding from East Brook was affecting county road CR-22.

Wider weather episode

An upper level low pressure system interacting with a stationary frontal system draped across southeast New York triggered copious amounts of showers and thunderstorms. An enhanced area of prolonged heavy rainfall over Delaware county produced a period of excessive runoff and some flash flooding of local roads.

View location on OpenStreetMap → (42.1800, -75.1100)

Source: NOAA Storm Events Database, event_id 1265505. Narrative written by the NWS forecast office that issued the report.