Large Propagation!

Quick report

Parks Canada Visitor Safety · Mar 15, 2025 · Lake Louise

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Observation photo 1

Avalanche

Slab Width
2400
Trigger Type
natural
Avalanche Size
3.5
Slab Thickness
100
Start Zone Aspect
NE
Avalanche Character
deepPersistentSlab, persistentSlab
Number Of Avalanches
1
Avalanche Observation
12to24hrsAgo
Weak Layer Crystal Type
depthHoar, facets
Start Zone Elevation Band
alp
Avalanche Occurrence Datetime
2025-03-15T00:21:00.000Z

Huge propagation! - perhaps initiated on the persistent layer (Feb 22/Jan30) and stepped down to the deep persistent layer at the ground in places