Flash Flood — Garrett, Maryland

2025-05-13 · near Avilton, Garrett, Maryland

Event narrative

Avilton Lonaconing Road closed. Road washed out in spots. At least six inches of water flowing across the road in multiple locations.

Wider weather episode

A slow moving closed upper level low originating from the Gulf of America brought anomalous moisture into the area. A long duration period of rain ensued, with rain rates exceeding two inches an hour during the afternoon of May 13th. The slow moving storms coupled with training led to localized rainfall totals of four to eight inches across western Maryland, with lesser amounts of two to four inches across central Maryland. Most of this rain fell in a 6 hour period, resulting in flash flooding especially across western Maryland.

View location on OpenStreetMap → (39.5900, -79.0084)

Source: NOAA Storm Events Database, event_id 1245521. Narrative written by the NWS forecast office that issued the report.