Flash Flood in Harford County, Maryland

Flash Flood July 16, 2025 · Harford County, Maryland

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

What the National Weather Service wrote

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.

The wider storm

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.

Began near Aberdeen Arpt (39.4887, -76.1834).

Source: NOAA Storm Events Database, event 1264125. Narratives are written by the National Weather Service forecast office that issued the report.

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