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Flood — Hancock, OH

May 19, 2020

A slow moving upper low over Illinois combined with a conveyor belt of humid air over Ohio supported widespread showers and thunderstorms over southern and central Ohio on the afternoon and evening of the 18th. The weather conditions supported not severe weather but heavy rain. Rain rates of 2 inches an hour or higher were observed with storms that trained, or repeated over the same areas. Overnight the low sank further south and drier air filtered into north and eastern counties which reduced

Source: NOAA National Weather Service Storm Events Database (event 890737). 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.

View Hancock County flood data →

More Flood Stories

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Hancock, OH · Jun 1, 1997

The Blanchard River at Findlay exceeded its flood stage of 11 feet and crested at 15.5 feet at 1000 on 06/02/97. Local police used boats to ferry residents to and from their homes along the river when access was cut off due to the flooding.

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Flash Flood$1.2M damage

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.

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Flood$12.0M damage

Hancock, OH · Jul 13, 2017

Dew points across the region during the morning of the event were in the lower 70s with high moisture content throughout the air column. A prefrontal trough moved southward into the region during the morning hours of the 13th, triggering convection.

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Flash Flood$575K damage

Hancock, OH · Jul 13, 2017

Dew points across the region during the morning of the event were in the lower 70s with high moisture content throughout the air column. A prefrontal trough moved southward into the region during the morning hours of the 13th, triggering convection.

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