Observation: Turnagain

Location: Sunny Side

Route & General Observations

White Friday Indeed!
5 degrees with mixed clouds, we headed up sunny side, atypical uptrack near Bertha Creek Campground.

Red Flags
Red flags are simple visual clues that are a sign of potential avalanche danger. Please record any sign of red flags below.
Obvious signs of instability
Recent Avalanches?No
Collapsing (Whumphing)?Yes
Cracking (Shooting cracks)?Yes
Observer Comments

Whumphing with the largest being about 10 yards in diameter
Some shooting cracks, longest 1 yard

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

5 degrees, new snow surface without any current precipitation. Cloudy. Above 1700 the surface snow began to see mild wind effect creating a slab that varied in thickness from 1/8 to 1/2 an inch.

Snow surface

New snow


height of snow varied from 50-80cm
Dug at 1520 feet on an east aspect 32 degree slope
80-40 cm was fist hard
40-25 cm loose facets with varied crystal types
25 cm to ground pencil hard crust
CT3 on a layer 55cm from ground.
ECTx, with the caveat that we moved pit a few times because the pit area would whumpf (trigger the propagating weak layer) before we could isolate an ECT column.

Photos & Video
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