Flash Flood — Baltimore, Maryland

2025-07-13 · near Catonsville Manor, Baltimore, Maryland

Event narrative

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.

Wider weather episode

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.

View location on OpenStreetMap → (39.2961, -76.7179)

Source: NOAA Storm Events Database, event_id 1264183. Narrative written by the NWS forecast office that issued the report.