Flash Flood — Onondaga, New York

2017-07-01 · near Mandana, Onondaga, New York

Event narrative

Widespread flash flooding of most creeks and urbanized areas occurred throughout the town of Skaneateles. Culverts and roads were washed out in several places. Some residences experienced flooding.

Wider weather episode

A tropical moisture laden air mass produced numerous showers and thunderstorms which traveled repeatedly over the same areas of the Finger Lakes Region and Upper Mohawk Valley. Widespread flash and urban flooding developed in portions of Cayuga, Onondaga, Madison and Oneida counties. Hardest hit areas were the villages and towns of Moravia, Chittenango, Oneida, and Utica to name a few. Total rainfall amounts along a narrow corridor from Moravia to Utica generally ranged from 2.5 to 5 inches, most of which fell in less than 1 to 2 hours. Total damages from this event range from $10-$15 million dollars.

View location on OpenStreetMap → (42.8500, -76.3700)

Source: NOAA Storm Events Database, event_id 707339. Narrative written by the NWS forecast office that issued the report.