Flash Flood — Harford, Maryland

2025-06-30 · near Clayton, Harford, Maryland

Event narrative

Philadelphia Road closed due to flooding near Four Seasons Drive, with an ongoing swift water rescue.

Wider weather episode

A boundary stalled across northeast Maryland and interacted with the Chesapeake Bay breeze to result in a nearly stationary thunderstorm across Baltimore and Harford counties for much of the late afternoon and evening. Localized rainfall amounts of two to six inches were observed, with instances of flash flooding.

View location on OpenStreetMap → (39.4400, -76.3200)

Source: NOAA Storm Events Database, event_id 1259487. Narrative written by the NWS forecast office that issued the report.