Debris Flow in Cowlitz County, Washington

Debris Flow April 10, 2023 · Cowlitz County, Washington

$100K

Damage as recorded

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

What the National Weather Service wrote

An atmospheric river that brought heavy rain caused a landslide that sent debris across I-5 north of Woodland, WA near milepost 24. Around 2.2 inches of rain fell in the Woodland area. Northbound lanes on I-5 were closed for more than 3 hours.

The wider storm

A moderate atmospheric river brought steady rain to southwest Washington April 9-10th.

Began near Woodland (45.9324, -122.7597).

Source: NOAA Storm Events Database, event 1092661. Narratives are written by the National Weather Service forecast office that issued the report.

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