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 several vehicles were stranded in several feet of water at Ellenham Avenue, Circle Road, and Bellona Avenue. Several roads around Ruxton Road were closed.

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 Ruxton (39.4012, -76.6597).

Source: NOAA Storm Events Database, event 1270213. Narratives are written by the National Weather Service forecast office that issued the report.

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