Debris Flow in Saguache County, Colorado

Debris Flow July 22, 2025 · Saguache County, Colorado

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

What the National Weather Service wrote

Heavy rainfall over Medano Pass, in Great Sand Dunes National Park, triggered flash flooding and debris flows along Medano Pass Primitive Road. Sections of the road, culverts and other drainage infrastructure were washed out or covered in debris.

The wider storm

Heavy rainfall of 1-2 inches over Medano Pass, within Great Sand Dunes National Park, triggered a debris flow and excess runoff over Medano Pass Primitive Road.

Began near Crestone (37.8535, -105.4462).

Source: NOAA Storm Events Database, event 1274560. Narratives are written by the National Weather Service forecast office that issued the report.

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