Northern San Juan

Avalanche

Anonymous · Jan 2, 2019 · Northern San Juan

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Weather

Lt winds SW Broken sky Cold S-1 to none W Aspect with NW

Snowpack

Shallow relative to nearby drainages. 70 cm depth on average. New snow/storm slab ( 15 cm) had poor bonding to -1 finger crust. Well developed facets and degrading crusts below

Avalanche

AS/C- SS- R2-D2 - O/G @ 11,200 15' wide ran 650' 15cm to 70 cm crown Released 15' x 10 ' storm/wind slab that gained momentum through steeper constriction feature that gouged and entrained to ground.