Debris Flow in Okanogan County, Washington

Debris Flow July 8, 2021 · Okanogan County, Washington

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

A rock slide blocked both lanes of State Route 20 near mile post 166, two miles west of Cutthroat Creek Road. Heavy rain in the area lead to the slide and water over the roadway.

The wider storm

Scattered thunderstorms produced heavy rain across northern Washington, with 0.38 of rain measured in 2 hours at a site close to the debris flow reports. A flash flood warning was issued due to high intensity rainfall occurring in areas in and below the Crescent Mountain Fire burn scar.

Began near Gilbert (48.5164, -120.7338).

Source: NOAA Storm Events Database, event 972692. Narratives are written by the National Weather Service forecast office that issued the report.

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