Debris Flow in Chelan County, Washington

Debris Flow January 4, 2021 · Chelan County, Washington

$20K

Damage as recorded

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

What the National Weather Service wrote

A hillside along State Route 2 began slowly sliding, striking the Department of Transportation guardrail, and partially blocked the eastbound lane. The mudslide was triggered by already saturated soil and wet snow.

The wider storm

A moist frontal system arrived overnight into the early morning hours of January 4th. Due to mild temperatures, most of the region received precipitation in the form of rain, or a heavy wet snow. The system was out of the region by the early evening hours.

Began near Leavenworth (47.5874, -120.6261).

Source: NOAA Storm Events Database, event 938452. Narratives are written by the National Weather Service forecast office that issued the report.

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