Flood in Wyandot County, Ohio

Heavy rainfall on the morning of July 13th caused the Spring Run to over-top it's levees around 1045 am. By 11 am State Route 103 and 23 north were shut down. By 1140 am water started to inundate downtown Carey. Major flooding into homes and businesses in Carey occurred around 5 pm when water was at it's deepest up to 6' deep. Sixty homes were affected, many from backups of storm drainage. Six to seven homes had water on West Ogg Street mainly from Spring Run. Dozens of businesses directly impacted, mostly with basement flooding. The water receded by 3 am Friday morning. The Tymochee Creek washed out some cross roads near ST RT 103 and RT 106. The waste water plant measured 3.8 in the southeast part of town, while unofficial reports of 5.5 in northern part of town. Radar estimates rainfall amounts between 4 and 6 inches of rain fell between 4 and 7 inches of rainfall during the same time period.

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. The environment supported very high rainfall rates of 4 inches an hour or greater in strong storms. All combined conditions favored a high risk of heavy rain and flooding. A Flash Flood Watch was issued for the area on Wednesday July 12 in effect through the morning of July 14.

Major flooding occurred in Hancock county where 3 to locally 6 inches of rain fell during the early morning hours of July 13th 2017. Significant river flooding occurred on the Blanchard River. Overland flooding also occurred in Wood, Seneca, Sandusky, and Wyandot counties. The Portage River reached moderate flood stage, and the Sandusky River reached minor flood stage.