Debris Flow — San Miguel, Colorado

2021-07-28 · near Placerville, San Miguel, Colorado

Event narrative

A mudslide occurred as a result of heavy rain along Colorado Highway 145 west-northwest of Placerville.

Wider weather episode

Substantial monsoon moisture remained over the area as high pressure drifted east over the Plains. As a result, widespread showers and thunderstorms developed with many storms producing heavy rain. This led to several reports of flash flooding and debris flows across portions of west-central and southwest Colorado. Additionally, severe thunderstorms produced large hail and strong winds in Mesa County.

View location on OpenStreetMap → (38.0400, -108.1200)

Source: NOAA Storm Events Database, event_id 965348. Narrative written by the NWS forecast office that issued the report.