Avalanche

Avalanche: south of Porcupine Reservoir

LarryLogan
Voir sur la carte

Quick report

Slope Angle
36°

Avalanche

Slab Width
91 m
Weak Layer
Facets
Trigger Type
Skier
Vertical Fall
76 m
Avalanche Type
Hard Slab
Slab Thickness
61 cm
Trigger Detail
Unintentionally Triggered
Start Zone Aspect
Southeast
Start Zone Elevation
2499 m

"Remote skier triggered, ESE aspect, 36-38 degrees, 8150' elevation, hard slab with 8" of soft wind deposit on top, 1-3' crown,

"Initial crown at rocky convexity, and and propagated along minor ridge south of slope. Hard slab broke into several pieces and slid approx 150 yards along slope."

"South wind depositing snow on top of bed surface. Not quite corniced, not quite pillowed, somewhere in between.

The weak depth hoar layer is approx 5" above terra firma on top of hardpack.

The UAC rating was high, extending to the ESE aspect of this slope."