Flash Flood — Harford, Maryland

2025-07-16 · near Aberdeen Arpt, Harford, Maryland

Event narrative

Numerous vehicles (6-8) stuck in high water in 900 Block of Route 40. Water as deep as top of wheel wells. Water rescues by boat ongoing.

Wider weather episode

An anomalously moist airmass with tropical moisture resided over much of Maryland on July 16th. This comes after several days of showers and thunderstorms, which left some areas with suppressed flash flood guidance. Slow moving thunderstorms developed on remnant boundaries and terrain circulations before propagating eastward. These storms produced localized rainfall amounts of two to five inches.

View location on OpenStreetMap → (39.4887, -76.1834)

Source: NOAA Storm Events Database, event_id 1264125. Narrative written by the NWS forecast office that issued the report.