Observation: Turnagain

Location: Johnson Pass

Route & General Observations

Quick trip up into Johnson Pass and the west end of the Bench Massif. High point was only 2,300′, but we did get into areas that saw significant wind effect from Tuesday as well as winds from yesterday morning.

Red Flags
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Observer Comments

No signs on instability. Wind slabs in the area we traveled were stuck on, could not get them to break very easily on test slopes.

Weather & Snow Characteristics
Please provide details to help us determine the weather and snowpack during the time this observation took place.

High clouds, light easterly winds, temps in the 20's F.

Snow surface

Surface crust up to 900'
At 1000' a drastic change to dense soft settled powder, this became lighter with elevation
Significant wind effect in exposed locations as low as 2,000'


Roughly 2' of crusts at the parking lot
At 1,000', snow depth 4-5'
At 2,300', snow depth 4-8' pending wind effect

Pit at 2,200': HS 190cm
ECTN 25 down 40cm on the new/old snow interface from Tuesday's storm (under wind slab from Tuesday).
We found the Dec 1st crust down 80-90cm. Crust was essentially a sandwich of crusts around 5" thick.
No weakness was seen on the crust.

Photos & Video
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