Debris Flow — San Juan, Utah

2021-07-28 · near La Sal Jct, San Juan, Utah

Event narrative

Heavy rain led to a debris flow on Utah Highway 191 between mile markers 104 and 112.

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 southeast Utah including over the Pack Creek Fire burn scar.

View location on OpenStreetMap → (38.3700, -109.4400)

Source: NOAA Storm Events Database, event_id 965356. Narrative written by the NWS forecast office that issued the report.