Westerly winds efficiently loaded start zones below North Foose Creek's ridgeline. (full)

On a windy day at Monarch Pass, two CAIC forecasters visit the site of an avalanche from over a week prior. While digging a quick profile adjacent to the old crown, they remote trigger the slope, running seconds before this video is shot.

Large block of wind-drifted snow from an avalanche on 12/12/18 (full)

Human triggered avalanche on Red 3. 12/10/2018 viewed from Highway 550. (full)

Newly formed wind-drifts from moderate north winds in La Plata Mountains on 12/9/18. (full)