Flash Flood in Portage County, Ohio
Flash Flood July 10, 2025 · Portage County, Ohio
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
Seven to eight inches of flowing water over Newton Falls Road between Hanna Road and Knapp Road, which prompted the roadway to be closed. Several inches of flowing water over Garrett Road just north of Crow Trail. Radar estimated around 2.75 to 3.75 inches of rainfall in a 60-90 minute period, which equates to a 200+ year recurrence interval.
The wider storm
Thunderstorms developed along a slow moving frontal boundary during the afternoon, as weak low pressure moved northeast across the lower Great Lakes region. During the early afternoon hours, mixed layer CAPE values of 2000 j/kg helped fuel thunderstorm development as effective deep layer shear increased to 20-30 kts. Storms were weakly organized and slow moving, producing isolated damaging wind gusts. High rainfall rates were common with these storms, as precipitable water values approached 1.5 inches, with an area of training thunderstorms centered over Portage County causing flash flooding.
Began near Augerburg (41.1781, -81.1976).
Source: NOAA Storm Events Database, event 1289333. Narratives are written by the National Weather Service forecast office that issued the report.
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