Debris Flow — San Juan, Utah

2021-07-14 · near Grand Co Arpt, San Juan, Utah

Event narrative

Mud and other debris flowed through the dry creek bed underneath the J. Mattson Bridge as a result of heavy rain over the Pack Creek Fire burn scar.

Wider weather episode

A broad midlevel trough moved across eastern Utah and acted on ample residual monsoonal moisture to produce numerous showers and thunderstorms across the area. Some storms produced gusty winds to 70 mph as well as heavy rain which led to localized debris flows in San Juan County.

View location on OpenStreetMap → (38.4362, -109.3550)

Source: NOAA Storm Events Database, event_id 981552. Narrative written by the NWS forecast office that issued the report.