Debris Flow in Delta County, Colorado

Debris Flow May 2, 2023 – May 3, 2023 · Delta County, Colorado

$2.0M

Damage as recorded

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

What the National Weather Service wrote

Excessive spring runoff and debris backing up in culverts led to a large sinkhole developing on Highway 133 north of Paonia and south of Somerset, Colorado between mile markers 14 and 19. This resulted in the closure of the highway to allow emergency repairs to be made. The sinking soils were first noticed on April 29, 2023 with the eventual collapse of the highway occurring on May 2, 2023.

The wider storm

Very warm spring temperatures and an above normal snowpack resulted in excessive runoff leading to mud and debris flows across portions of west-central Colorado, as well as damage due to flooding.

Began near Paonia (38.8891, -107.6006).

Source: NOAA Storm Events Database, event 1084865. Narratives are written by the National Weather Service forecast office that issued the report.

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