Flash Flood — Fairfax, Virginia

2025-07-14 · near Merrifield, Fairfax, Virginia

Event narrative

At least six inches of flowing water across US-50 at Prosperity Avenue. The roadway is closed.

Wider weather episode

Another day of an anomalously moist airmass produced numerous showers and thunderstorms across Virginia. This resulted in localized rainfall amounts of 2 to 4 inches in a short period of time, which resulted in instances of flooding and flash flooding.

View location on OpenStreetMap → (38.8700, -77.2400)

Source: NOAA Storm Events Database, event_id 1264949. Narrative written by the NWS forecast office that issued the report.