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Flash Flood — Ottawa, OH

Aug 24, 2023

An anomalously-warm and moist air mass was in place across much of the Central Plains and Midwest, resulting in strong to perhaps extreme instability in addition to tropical-like precipitable water values exceeding 2.0 inches. The Lower Great Lakes region, specifically northern Ohio and Northwest Pennsylvania found itself on the eastern edge of this heat dome. Strong northwest flow aloft persisted along the periphery of the anomalously-warm and moist air mass, allowing for organized storms to de

Source: NOAA National Weather Service Storm Events Database (event 1144336). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Ottawa, OH

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

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