Debris Flow in Pitkin County, Colorado

Debris Flow July 30, 2021 · Pitkin County, Colorado

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

What the National Weather Service wrote

A rockslide occurred as a result of heavy rain along Colorado Highway 82 at Shane Bluffs (mile marker 36).

The wider storm

The prolonged North American Monsoon pattern prevailed across western Colorado with abundant moisture present as precipitable water values trended to 170% of normal. Additionally, morning sunshine allowed the atmosphere to rapidly destabilize over the higher terrain. As a result, another round of strong thunderstorms developed and produced heavy rain which caused several mudslides across portions of west-central Colorado.

Began near (ase)aspen Arpt (39.2410, -106.8770).

Source: NOAA Storm Events Database, event 965675. Narratives are written by the National Weather Service forecast office that issued the report.

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