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Flash Flood — Hancock, OH

May 15, 2025

A broad, negatively-tilted mid level trough was slowly moving east across the lower Great Lakes during the overnight into early morning hours of May 15, 2025. Slow moving showers and thunderstorms associated with a weak surface trough across northwest Ohio and northeast Indiana, and broad isentropic ascent from an approaching warm front from the southwest, moved across Hancock County with seasonally high rainfall rates. Precipitable water values near 1.3, which exceeds the 90th percentile for th

Source: NOAA National Weather Service Storm Events Database (event 1268236). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Hancock, OH

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

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Flood$12.0M damage

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Flash Flood$575K damage

Hancock, OH · Jul 13, 2017

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Flash Flood$60K damage

Hancock, OH · Jun 2, 2019

During the morning hours of June 1, 2019, a few showers were present over western lower Michigan along a stationary front, before a developing low pressure over lower Michigan initiated thunderstorm development over southern Lower Michigan, generally oriented north to south and…

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