Avalanche: Hatcher Pass

Location: Summit Lake area

Avalanche Details
If this is an avalanche observation, click yes below and fill in the form as best as you can. If people were involved, please provide details.
Trigger SnowmachinerAvalanche Type Hard Slab
Aspect South SouthwestElevation 3800ft
Slope AngleunknownCrown Depth 15in
Width 15ftVertical Run 20ft
Avalanche Details

Hard slab, looked like it had been remote triggered by a snow machine. It released from a small terrain feature, the slope quickly shallowed which prevented it from running very far. What was also cool to see was that the slab was almost entirely intact in a single piece!

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.

Slight breeze, cloudy turning to sunny/partly cloudy by the afternoon.