Flash Flood — Alexandria (c), Virginia

2023-08-14 · near Potomac Yard, Alexandria (c), Virginia

Event narrative

East Custis Avenue around the 100 block was closed due to vehicles stranded in high water.

Wider weather episode

A warm front passed through the area. The combination of increasing moisture throughout all levels of the atmosphere, forcing from the warm front, and an unstable atmosphere caused heavy showers and thunderstorms to develop. These storms trained over a few areas around the Washington Metropolitan area, resulting in instances of flash flooding.

View location on OpenStreetMap → (38.8255, -77.0598)

Source: NOAA Storm Events Database, event_id 1113216. Narrative written by the NWS forecast office that issued the report.