Lawine

Avalanche: Lake Desolation

Zack Little, Sam Hoffman, Calvin Jiricko, Abby McCartneySalt Lake
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Beobachtungsfoto 1

Quick report

Slope Angle
35°

Avalanche

Slab Width
9 m
Weak Layer
New Snow/Old Snow Interface
Trigger Type
Skier
Vertical Fall
61 m
Avalanche Type
Soft Slab
Slab Thickness
61 cm
Trigger Detail
Intentionally Triggered
Start Zone Aspect
Northeast
Avalanche Problem
New Snow
Start Zone Elevation
2835 m

We skied a few laps in the NE-facing terrain above Desolation Lake, where we found increasing instability throughout the day within the new snow and on the old/new snow interface. Mostly sluggish cracking/collapsing underfoot, however on steep enough slopes the loose dry, and soft slab avalanches would entrain more snow and pick-up speed, running 100-200' downslope. We triggered many small, low-consequence avalanches today, but it seemed like the slab continued to grow stronger and more reactive as the snow stacked up in the afternoon, with the likelihood of burial or injury increasing.

Pictured in the image above, the bed surface from a loose dry/soft slab combo is visible, with parts of a crown above. SS-AS-D1-R1