Mt Lefroy deep slab on glacier ice

Submitted by
snow.safety
Observations date
Monday, February 10, 2020 at 15:00
Location
51.366870° N 116.273035° W
Reporting on
  • Snow conditions
Map for Mountain Information Network report: Mt Lefroy deep slab on glacier ice

Information

Avalanche date/time
Monday, February 10, 2020 at 08:00
Estimated occurrence time of avalanche
From 12 to 24 hours ago
Number of avalanches in this report
1
The size of avalanche
3.5
Slab thickness
150cm
Slab width
200m
Avalanche Character
  • Deep persistent slab
Trigger type
Natural
Start zone aspect
  • NE
Start zone elevation band
  • Alpine
Start zone elevation
3,250m
Weak layer crystal type
  • Depth hoar

Comments

Deep Persistent Slab failed full depth onto glacier ice bed surface. Likely occured late on Feb 9 or early on Feb 10.