Bow Summit Skier Accidental Size 1 - hard wind slab

Map for Mountain Information Network report: Bow Summit Skier Accidental Size 1 - hard wind slab

Information

Avalanche date/time
Tuesday, January 10, 2017 at 12:00
Number of avalanches in this report
2 to 5
The size of avalanche
1
Slab thickness
50cm
Slab width
30m
Run length
10m
Avalanche Character
  • Wind slab
Trigger type
Skier
Trigger subtype
Accidental
Start zone aspect
  • NE
Start zone elevation band
  • Alpine
  • Treeline
Start zone elevation
2,300m
Start zone incline
30°
Weak layer crystal type
  • Facets
Crust near weak layer
No
Wind exposure
Lee slope
Vegetation cover
Open slope

Comments

Stubborn hard windslabs. 2 skier accidental size 1 in Bow Summit region involving the windslab in the alpine and one whumph and slab propagation with 2 cm movement at treeline. Would not trust any open slope at treeline or alpine for now.