Northern San Juan

Avalanche

Anonymous · Dec 11, 2019 · Northern San Juan

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Weather

Warm and overcast. Scouring winds above treeline out of the southwest.

Snowpack

Not a deep snowpack, but wind loaded from Southwest. Slide occurred about 12,000ft.

Avalanche

Small shallow slab from wind loaded swale grew into very large slough and slide on Southern aspect, east of summit. Ran maybe 800-1000 feet with over a meter of deposition. Did not seem to step down to ground.