Debris Flow in Okanogan County, Washington

Debris Flow July 8, 2021 · Okanogan County, Washington

$25K

Damage as recorded

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

What the National Weather Service wrote

The US Forest Service reported a debris flow that blocked the NF-4440 Road, one mile east of the Gilbert Trailhead. The flow was approximately four feet deep and stranded two cars overnight. Time is estimated based on radar.

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 (48.4584, -120.5660).

Source: NOAA Storm Events Database, event 972707. Narratives are written by the National Weather Service forecast office that issued the report.

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