Observation: Hatcher Pass

Location: Marmot Test Slope

Route & General Observations

Toured from IMB parking lot into a white out as snowfall intensity increased up towards Marmot and Micro Dot. Very thin snowpack conditions, with rock and shrubs exposed.


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

10 meter shooting crack on obvious wind loaded steep slope, just what we were looking for.

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


Snow surface

2.0 Rimed Stellars


HS 10-50cm. Weak strength, poor structure, high energy/propagation where previous mid-pack wind slab is present, poor continuity for old wind slab mid-pack, high continuity for basal depth hoar (8mm). 10cm light density, dry, new snow.

Photos & Video
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