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Flash Flood — St. Lawrence, NY

Aug 9, 2024

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.

Source: NOAA National Weather Service Storm Events Database (event 1202887). Narrative written by NWS staff at the time of the event.

Flood Risk Context for St. Lawrence, NY

This event is one of many recorded floods in St. Lawrence County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View St. Lawrence County flood data →

More Flood Stories

Flash Flood$3.0M damage

St. Lawrence, NY · Aug 9, 2024

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.

Read the full account →
Flood$2.0M damage

St. Lawrence, NY · Aug 9, 2024

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.

Read the full account →
Flash Flood$1.5M damage

St. Lawrence, NY · Aug 9, 2024

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.

Read the full account →
Flood$4.1M damage

St. Lawrence, NY · Apr 15, 2014

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