Flash Flood in Clark County, Missouri
Flash Flood August 5, 2023 · Clark County, Missouri
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
The Sheriff's Office reported that a culvert washout occurred on County Road Y west of Highway 81, just south of the lake. The washout was discovered between 4 and 5 AM CDT. The time of this event is estimated.
The wider storm
A significant rain event occurred late Friday into Saturday across northeast Missouri, extreme southeast Iowa, and west central Illinois, which resulted in flash flooding and a rapid rise on the Fox River near Wayland, Missouri. A slow moving mesoscale convective vortex (MCV) tracked over the area and brought very heavy rain in a short amount of time. Rainfall amounts between 4 and 8 inches fell in less than 6 hours, which caused many stalled vehicles and several water rescues in the towns of Kahoka, Missouri and Keokuk, Iowa. A culvert was washed out south of Kahoka and many secondary roads had water over them.
Began near Kahoka (40.4000, -91.7300).
Source: NOAA Storm Events Database, event 1129566. Narratives are written by the National Weather Service forecast office that issued the report.
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