Debris Flow in Okanogan County, Washington

Debris Flow September 10, 2019 · Okanogan County, Washington

$1K

Damage as recorded

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

What the National Weather Service wrote

The Harts Pass Road was cut by a debris flow after heavy overnight rain fell in the area.

The wider storm

From September 8th through September 11th a slow moving upper level low pressure with a shield of wrap around Pacific moisture passed through eastern Washington and north Idaho. Areas of moderate to locally heavy rain showers and a few thunderstorms ranged through out the region during this cool and unstable wet period. Locally heavy rain caused a few Flash Floods and numerous Debris Flows in the Cascades east slopes region and some local flooding near Pullman.

Began near Mazama Arpt (48.6598, -120.5496).

Source: NOAA Storm Events Database, event 855388. Narratives are written by the National Weather Service forecast office that issued the report.

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