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Flood in Marion County, Ohio

Flood May 10, 2021 – May 11, 2021 · Marion County, Ohio

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Roads inundated include High Street, Larue Prospect Road, School Street, and parts of Vine Street. USGS river gage crested at 13.0 feet.

The wider storm

A surface area of low pressure tracked from the high plains crossing northern Ohio on Sunday May 9th. Widespread light to moderate rain developed Sunday morning and was ongoing through much of the day. Temperatures were in the upper 30s to low 40s, and some snowflakes mixed in midday. As the system moved east, rain turned to snow in the primary snowbelt with reports up to 2' in northwest Pennsylvania and Geauga County Ohio.

Total rainfall amounts of 2 to 3 inches were observed over a large swath of the area. Despite mild drought conditions, a recent rain event had contributed to increasing soil moisture. Runoff resulted in flooding over a dozen rivers and creeks, with moderate flooding observed on the Eagle Creek at Findlay, Scioto River at La Rue, and Sandusky River at La Rue.

Began near New Bloomington (40.6001, -83.4090).

Source: NOAA Storm Events Database, event 949875. Narratives are written by the National Weather Service forecast office that issued the report.

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