Clemina danger basin

Map for Mountain Information Network report: Clemina danger basin

Information

Avalanche date/time
Friday, February 14, 2020 at 12:23
Estimated occurrence time of avalanche
Less than 12 hours ago
Number of avalanches in this report
1
The size of avalanche
1.5
Slab width
100m
Run length
100m
Avalanche Character
  • Wind slab
Trigger type
Snowmobile
Trigger subtype
Accidental
Start zone aspect
  • SE
Start zone elevation band
  • Alpine
Start zone elevation
2,300m
Wind exposure
Cross-loaded slope
Vegetation cover
Sparse trees or gladed slope

Comments

Witnessed machine accidental

Estimated to be 25 to 100cm deep crown

Triggered from the shallow point on the upper right and propagated down the ridge.

Dug test profile near the site @ 2100m east aspect 25 degree slope

Repeated Compression test failures 25cm down on precipitation particle.

No propitiation results on the extended column test potentially due to the low slope angle.