Northern San Juan

Avalanche

Jeremy Yanko · Mar 26, 2025 · Northern San Juan

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Observation photo 1Observation photo 2

Weather

Nearby weather stations representative of the estimated elevations of these avalanches show 10-11 hours of weak (high 20's) freezing overnight temps prior. Daytime highs climbed to 46-48F around mid day at 11,200ft.

Avalanche

Upper near treeline elevation bands on large east-facing slopes. Commodore size is unknown but estimating at least a D2 due to what appears to be a failure near or at ground. McMillan is estimate by observer who could makeout small trees mixed in the debris.