Flash Flood — Teton, Wyoming

2014-08-13 · near Jenny Lake, Teton, Wyoming

$10K

Property damage

Event narrative

Rainfall of one-half to one inch fell in 20 to 30 minutes in the steep terrain of Paintbrush Canyon. A National Park Service backcountry trail crew working in the canyon reported hearing a rumbling sound before witnessing a large mudslide. The slide washed out multiple sections of the popular Paintbrush Canyon trail. The crew sought higher ground and all were safe, but the slide did destroy some gear and equipment.

Wider weather episode

A slow-moving thunderstorm developed over the Teton Range and produced heavy rain along an axis parallel to and over Paintbrush Canyon. Rainfall amounts of one-half inch to one inch fell in 20 to 30 minutes in the steep-sided canyon. A large mudslide occurred as a result, washing out large sections of a popular trail.

View location on OpenStreetMap → (43.7871, -110.7883)

Source: NOAA Storm Events Database, event_id 538406. Narrative written by the NWS forecast office that issued the report.