Debris Flow in Plumas County, California

Debris Flow October 24, 2021 · Plumas County, California

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

What the National Weather Service wrote

California Highway Patrol reported large rocks in roadway on Gold Lake road above Graeagle Lodge.

The wider storm

A strong atmospheric river event produced a major heavy rain, high wind, and high elevation snow event for much of the region. Record-setting rainfall amounts for many areas of the Sierra into western Nevada. NWS Reno received multiple reports of mud and rock slides in the Sierra along I-80 near the summit, and CA 70 and CA 89 in Sierra, Plumas, and Lassen Counties.

Began near Graeagle (39.7555, -120.6200).

Source: NOAA Storm Events Database, event 987323. Narratives are written by the National Weather Service forecast office that issued the report.

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