Northern San Juan

Avalanche

Max Palmer ยท Mar 12, 2023

View on map
Observation photo 1

Weather

Ovc all day with intermittent clearing, light winds out of SW, minimal snow transport observed.

Snowpack

Human triggered avalanche 5x D0.5 at new/old interface (30cm) on a roll-over on a test slope of 40*, no propagation (12,100ft, N aspect) Shovel tilt-easy fracture at 10 and 20cm at same location; see attached picture. Cornice formation observed on North aspects. Average depth ~240cm.

Avalanche

Intermittent good visibility; No natural avalanches observed.