Quartz Lake Sledder Remote

Map for Mountain Information Network report: Quartz Lake Sledder Remote

Information

Avalanche date/time
Friday, January 21, 2022 at 13:00
Number of avalanches in this report
1
The size of avalanche
2.5
Slab thickness
100cm
Slab width
150m
Run length
300m
Avalanche Character
  • Persistent slab
Trigger type
Snowmobile
Trigger subtype
Remote
Remote trigger distance
250m
Start zone aspect
  • N
Start zone elevation band
  • Treeline
Start zone elevation
2,100m
Start zone incline
40°
Runout zone elevation
1,800m
Weak layer burial date
Friday, December 3, 2021
Weak layer crystal type
  • Facets
Crust near weak layer
Yes
Wind exposure
Lee slope
Vegetation cover
Open slope

Comments

Sledder crossing lower runout. Saw small trees shed their snow & looked up to see the slab release above. No involvement.

Numerous other natural and machine triggered wind slabs observed in riding area in alpine and tree line. Size 1-2. Max depth 40cm, max propagation 50m.