Flash Flood — Okanogan, Washington

2022-07-04 · near Mazama, Okanogan, Washington

Event narrative

Andrews creek flooded with water, mud, and debris covering west Chewuch road. people trapped near the Andrews creek trail area. Wolf creek road flooded with rocks, mud, and debris on the road. Goat creek road flooded with rocks and debris on the roadway. Doe creek out of its banks with flooding of roads reported. Reports of a horse trailer stuck in debris from flash flooding between Falls Creek and Chewuch campgrounds. Rock, mud, and debris on roads in the Twisp River Valley, including adjacent to the Little Bridge Creek and on Thompson road, from flash flooding.

Vehicle stuck in mud and flood waters near Eight Mile Creek on a forest service road. the road was impassable from flash flooding.

Wider weather episode

Two bands of heavy rain impacted Okanogan county during the afternoon. Areas impacted included Northeast of Mazama and Conconully. Rainfall ranged from 0.5 to 0.9 for Mazama and 0.6 to 1.4 for Conconully. The burn scars of Cedar Creek and Muckamuck from 2021 were in the flood areas.

View location on OpenStreetMap → (48.6800, -120.1300)

Source: NOAA Storm Events Database, event_id 1049995. Narrative written by the NWS forecast office that issued the report.