snowmobile triggered avalanche

Map for Mountain Information Network report: snowmobile triggered avalanche

Information

Avalanche date/time
Saturday, March 1, 2025 at 22:30
Estimated occurrence time of avalanche
Less than 12 hours ago
Number of avalanches in this report
1
The size of avalanche
2
Slab thickness
30cm
Slab width
100m
Run length
40m
Avalanche Character
  • Wet slab
Trigger type
Snowmobile
Trigger subtype
Accidental
Start zone aspect
  • W
Start zone elevation band
  • Treeline
Start zone elevation
2,000m
Start zone incline
45°
Runout zone elevation
2,000m
Weak layer crystal type
  • Surface hoar and facets
Crust near weak layer
Yes
Wind exposure
Windward slope
Vegetation cover
Open slope

Comments

warm temps and sun exposed slope slid triggered buy a snowmobile ran into a gully deposit estimated to be 2.5m deep