Observation: Hatcher Pass

Location: $1000 Run, Quake Day

Route & General Observations

Road Observations, Hike up Fishhook-Willow road, cross creek, up $1000 Run to 3706′, descend $1000 Run

Avalanche Details
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Avalanche Details

Did NOT observe any avalanches triggered by recent earthquake 7.2

Red Flags
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Obvious signs of instability
Recent Avalanches?No
Collapsing (Whumphing)?Yes
Cracking (Shooting cracks)?Yes
Observer Comments

Small, shallow, collapses, shooting cracks <10' long, on 35*, E, 3500' on old, soft, weak, wind slab over rounding BSH, over MF crust, down 5-10cm,

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

Sky=Few 10am>Scattered>Broken S-1, light flurries, 2pm
Wind calm
Temp -7.7*C at 3700'

Snow surface

1/2"-3" new snow over MF crust
Most of the crust I skied on today was supportable. Unsupportable, breakable crust exists in specific locations


LOW COVERAGE, HS 2-29" @ 3000ยด-3706', East to South Facing
A generally shallow snowpack with dust sitting on crust over a sandwich of crusts and facets, sitting on weak, basal facets (2.0mm rounding)
Specific areas of isolated, small, old, soft wind slab sitting on rounding BSH 4.0mm, reactive to skiers weight, cracks <10', 5-10cm deep over crust. Some isolated, small, wind slab cracking deeper, down 15cm on faceted layer under crusts.

Photos & Video
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