Flash Flood — Howard, Maryland

2025-05-30 · near Simpsonville, Howard, Maryland

Event narrative

At least six inches of flowing water over Guilford Road and Old Columbia Road.

Wider weather episode

Showers and thunderstorms developed along a slow moving cold front and produced a quick one to locally three inches of rain in a short period of time.

View location on OpenStreetMap → (39.1800, -76.8700)

Source: NOAA Storm Events Database, event_id 1253398. Narrative written by the NWS forecast office that issued the report.