Flash Flood — Prince William, Virginia

2025-07-16 · near Gainesville, Prince William, Virginia

Event narrative

Little Bull Run rose rapidly above minor flood stage in less than an hour. At this level, Artemus Road is flooded.

Wider weather episode

An anomalously moist airmass with tropical moisture resided over much of Virginia 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 → (38.8200, -77.5800)

Source: NOAA Storm Events Database, event_id 1264115. Narrative written by the NWS forecast office that issued the report.