Flash Flood in Gasconade County, Missouri

Flash Flood July 31, 2020 · Gasconade County, Missouri

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

What the National Weather Service wrote

Up to 6 inches of rain fell in a short amount of time causing flash flooding. Several roads were flooded including Highway 100 near Gasconade.

The wider storm

An upper level low centered over Missouri moved slowly eastward with two lobes of vorticity that were pivoting around each other. The interaction of the two vort maxes produced two distinct areas of heavy rain, one over central/east central Missouri and another over south central and southeast Missouri. Very heavy rain fell in these areas, mainly between 3 and 4 inches of rain, though a few areas had around 6 to 7 inches of rain with this system. There were several reports of flash flooding.

Began near Pershing (38.6100, -91.6400).

Source: NOAA Storm Events Database, event 911094. Narratives are written by the National Weather Service forecast office that issued the report.

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