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Avalanche: Hatcher Pass

Location: Lonesome Mine

Date:
Observer:
Route & General Observations

Toured up into the drainage just west of the lonesome mine. Lots of active wind transport of snow visible on the peaks and ridges from the ESE wind. At the bottom of the drainage winds were up to 20 mph.

Avalanche Details
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Trigger SkierAvalanche Type Hard Slab
Aspect West NorthwestElevation 3700ft
Slope AngleunknownCrown Depth 6in
Width 100ftVertical Run 40ft
Avalanche Details

Remote triggered by first skier on the slope. Release point was ~20 feet right of the ski line. Slope angle was ~30 degrees where the skier was but the angle was closer to 40 degrees where it released. Seems likely that release point was in shallower snow by some rocks. No one was caught by this slide. Small avalanche but would still have been big enough to knock a person over.

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?Yes
Collapsing (Whumphing)?No
Cracking (Shooting cracks)?No
Weather & Snow Characteristics
Please provide details to help us determine the weather and snowpack during the time this observation took place.
Snow surface

Variable amount of wind effect on surface snow

Photos & Video
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