Debris Flow — Grand, Utah

2022-10-02 · near Solitude Siding, Grand, Utah

Event narrative

Debris as a result of heavy rain from thunderstorms was cleared off I-70 between mile markers 168 and 170 from both the eastbound and westbound lanes.

Wider weather episode

Significant clearing late in the morning resulted in the development of high instability across eastern Utah. This, paired with upper level support and ample moisture, produced strong to severe thunderstorms across the area in the late afternoon and early evening hours. Significant hail accumulation occurred in Green River and along I-70. Additionally, heavy rain occurred with storms which led to flash flooding across portions of Grand County.

View location on OpenStreetMap → (38.9600, -110.0600)

Source: NOAA Storm Events Database, event_id 1051507. Narrative written by the NWS forecast office that issued the report.