Debris Flow — Okanogan, Washington

2022-09-14 · near Mazama Arpt, Okanogan, Washington

Event narrative

Heavy rain over the Cedar Creek Burn Scar caused a debris flow over Highway 20 near Mazama. Observations in the near the site in Mazama showed precip amounts half an inch in hour and three quarters of inch in 24 hours.

Wider weather episode

Slow moving storms brought heavy rain to the Cedar Creek Burn Scar area creating a debris flow across Highway 20. Observations in the near the site in Mazama showed rain amounts half an inch in hour and three quarters of inch in 24 hours.

View location on OpenStreetMap → (48.5958, -120.5588)

Source: NOAA Storm Events Database, event_id 1057684. Narrative written by the NWS forecast office that issued the report.