Quick report
Snow was generally soft and not consolidated while ascending. Boot penetrated easily down to melt freeze crust. At very top of Hillman's, snow consolidated enough to form soft slab that artificially triggered on MFC and entrained looser snow below.
Avalanche
- Size
- D1.5
- Aspect
- E
- Trigger
- AF
- Elevation
- 5100 ft
While ascending Hillman's Highway, unintentionally triggered soft slab avalanche with 15 inch crown at around 5100 feet elevation in climber's right of dog leg. Slab entrained less consolidated snow below and ran on MFC approximately 500 vertical feet. Grateful two climbers below who were out of site at time of trigger had moved climber's left and were out of the slide path when the avalanche occurred. Descended on foot to check on climbers below so did not take photo of crown.