Observation: Public
Observation Details
Name:
IMObservation Date:
February 13, 2021Submitted:
February 13, 2021Zone or Region:
West NorthActivity:
Skiing/SnowboardingLocation:
Herman Saddle areaTriggered Avalanches
Did you trigger any avalanches?
YesWas it intentional?
NoAvalanche Type:
Soft SlabSize:
Size 1: Relatively harmless to peopleElevation:
NTLAspect:
SEComments:
Remote triggered in crossloaded feature from position where attached photo was taken. Slid on MFcr down ~20cm (new/old snow interface). 15m wide; 10-40cm crown; ran roughly 20mPhoto:
Signs of Unstable Snow
Did you see shooting cracks?
Yes, IsolatedDid you experience collapsing or whumpfing?
Yes, IsolatedObservations
Significant wind transport. M winds gusting S. N-NW. Windward features largely stripped and leeward features had drifts ranging from 20-80+cm. Slab properties observed on many of these.
Advanced Observations
Observed Avalanche Problem #1:
Wind SlabComments:
Specific distribution NTL. Appeared to be avalanching in terrain that developed MFcr over previous days of high pressure. Isolated BTL based on the terrain we traveled in.Size: D1-D1.5
Likelihood: likely
Layer: MFcr 2/10?