Trigger | Snowmachiner | Avalanche Type | Hard Slab |
Aspect | West | Elevation | 3900ft |
Slope Angle | unknown | Crown Depth | 24in |
Width | 150ft | Vertical Run | 400ft |
West aspect of Skyscraper into the Upper Willow Creek Drainage.
Trigger | Snowmachiner | Avalanche Type | Hard Slab |
Aspect | West | Elevation | 3900ft |
Slope Angle | unknown | Crown Depth | 24in |
Width | 150ft | Vertical Run | 400ft |
Snowmachine highmark (decent) trigger on faceted weak layer with crown height varying between 10" and 30". D2 - D2.5. HS-AM-D2-R2-2.5.
Recent Avalanches? | Yes |
Collapsing (Whumphing)? | No |
Cracking (Shooting cracks)? | No |
Widespread activity following previous storm cycle.
No new snow, calm, +2C, high overcast.
Non-supportable 5-7cm suncrust.
Sorry for the scant (and late!) info, small iphone and 1 bar of cell coverage!