Avalanche Occurrence

View Associated Field Report

This very large persistent slab avalanche was observed in the Boulder Mountains. It failed over 3,000' wide, wrapping around S-SE-E-NE aspects between 10,000' and 10,800'.

Observer:

SAC Forecaster

Verified by SAC?

Yes

Occurrence Date:

Mar 10, 2023 (+/- 1 day)

Location:

North Fork Big Wood

Comments:

This slide broke an estimated 3,000+' wide

# of Avys:

1

Aspect:

SE (E,SE,NE)

Start Zone Elev:

10400ft

Size:

D3.5

Trigger:

N-Natural

Width:

2950ft

This very large persistent slab avalanche was observed in the Boulder Mountains. It failed over 3,000' wide, wrapping around S-SE-E-NE aspects between 10,000' and 10,800'.