Flash Flood — Big Horn, Wyoming

2024-07-20 · near Shell, Big Horn, Wyoming

Wider weather episode

Three thunderstorms with heavy rainfall moved over the Trapper Creek drainage in short succession during Saturday afternoon, causing localized flash flooding near the confluence of Trapper Creek and Shell Creek. Culverts were plugged and at least one resident's driveway bridge was washed out. Boulders the size of wheelbarrows were moved onto agricultural land and damaged fences. A large number of rattlesnakes and cutthroat trout were washed onto fields in the area.

View location on OpenStreetMap → (44.5426, -107.7660)

Source: NOAA Storm Events Database, event_id 1204379. Narrative written by the NWS forecast office that issued the report.