Flash Flood — St. Lawrence, New York

2024-08-09 · near Grantville, St. Lawrence, New York

$500K

Property damage

Event narrative

Tribal Emergency Mgmt. reported flash flooding in and around Hogansburg, NY due to excessive rainfall. Numerous other locations of flash flooding were observed in the towns of Bombay, Helena and Ft. Covington. Locations included, but were not limited to NY State Route 37 and Beaver Meadow Rd.

Wider weather episode

The remnants of TS Debby tracked through St. Lawrence County during the afternoon/early evening of August 9, 2024. This produced a 50-75 mile swath of excessive rainfall from 3 to 7 inches which led to widespread flash flooding. Subsequent information indicated over 100 roads damaged or washed out with several bridges damaged and/or destroyed. Some flood damage to homes also occurred in a few locations along with several swift water rescues.

View location on OpenStreetMap → (44.8768, -74.8902)

Source: NOAA Storm Events Database, event_id 1202887. Narrative written by the NWS forecast office that issued the report.