West Central Montana Avalanche Center

This pit was dug on the same date as Lake Dinah Avalanche Fatality Saw several natural slides on this aspect and several reports of rider triggered slides Area was under an avalanche warning this day.

Wind blowing hard on ridge above, forming 1cm wind packed top layer on top of 20cm new snow on 01/14/2020. Top snowpack is bonding rather well, but beware of deep persistent weak layer in lower snowpack that can still be triggered. Natural slides 'to the ground' observed from 01/14/2020 during latest storm.

Test plus pit

Plunge - Lost Trail backcountry. About 12cm new snow last 24hrs, 40+cm last 72hrs. 125cm depth. Weak layers propagating at 84cm and 50cm.