Persistent Slab

CB Avalanche Center2015-16 Observations

Location: Crested Butte Area
Date of Observation: 04/04/2016
Name: Dustin E
Subject: Persistent Slab
Aspect: North, North East, East, North West
Elevation: 11,300

Avalanches: None.
Weather: Clear, calm, and warm.
Snowpack: Wanted to investigate the persistent slab on NE slopes. Dug two pits on similar aspect and same elevation, second pit was more NNE facing than NE. HS varied between 85-115 cm, this area is rather rocky though. Two distinct dust layers present around 20 and 40 cm below snow surface. ECTP 13 sudden collapse on the NE slope, breaking on the prominent dust layer 40 cm below and ECTP 9 Sudden collapse on the NNE slope, breaking on the same layer. Videos to come on facebook.