Flash Flood in Baltimore County, Maryland

Flash Flood July 31, 2025 · Baltimore County, Maryland

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

What the National Weather Service wrote

Baltimore County Fire reported that Harford Road at Park Forest Lane is closed due to at least three feet of standing water. Several vehicles are also stranded in high water along the road.

The wider storm

A slow moving cold front combined with a highly unstable atmosphere along with tropical moisture to produce slow moving thunderstorms with heavy rainfall. Some of these storms trained over the same areas, resulting in scattered to numerous instances of flash flooding. Total rainfall amounts in areas with flash flooding averaged two to four inches, though some localized amounts up to six inches were observed.

Began near Fork (39.4700, -76.4400).

Source: NOAA Storm Events Database, event 1270215. Narratives are written by the National Weather Service forecast office that issued the report.

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