Flash Flood in Baltimore County, Maryland

Flash Flood July 13, 2025 · Baltimore County, Maryland

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

What the National Weather Service wrote

WDNM2 (Dead Run) moved into Minor flooding at 9 feet, peaking at 10.07 feet at 155 PM. Approximate 6.5 foot rise in 30 to 35 minutes.

The wider storm

Showers and thunderstorms developed early in the afternoon in an anomalously moist airmass along the Chesapeake Bay Breeze and remnant outflow boundaries. These storms remained nearly stationary through the first part of the afternoon producing a quick two to four inches of rain before dissipating.

Began near Catonsville Manor (39.2961, -76.7179).

Source: NOAA Storm Events Database, event 1264183. Narratives are written by the National Weather Service forecast office that issued the report.

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