Flash Flood in Carroll County, Maryland

Flash Flood July 9, 2025 · Carroll County, Maryland

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

What the National Weather Service wrote

St Paul Road at Muddy Creek closed due to one to two feet of water flowing across the road.

The wider storm

An anomalously moist airmass ahead of a frontal boundary sparked numerous showers and thunderstorms across Maryland. Instantaneous rain rates approached five to six inches an hour in the bigger storms. Storm total rainfall of one and a half to four inches resulted in flooding and flash flooding in areas throughout the evening of July 9th.

Began near Gunpowder (39.7200, -76.7900).

Source: NOAA Storm Events Database, event 1261973. Narratives are written by the National Weather Service forecast office that issued the report.

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