Surface Hoar

CB Avalanche Center2016-17 Observations

Location: Crested Butte Area
Date of Observation: 02/16/2017
Subject: Surface Hoar
Aspect: North
Elevation: NTL

Avalanches: Saw debris and paths of wet loose slides that had previously released from far skier’s left side of Redwell along the cliff bands
Weather: Light west winds, clear, very warm.
Snowpack: No signs of instability except for previous wet loose point releases, the 30cms on top from our most recent storm had surprisingly little funk to it and skied great.

We dug a pit at the top of wrong chute: Elevation 11,200ft, N/NW, 35 degree slope. Our compression test revealed CTH SP, 95cms down on a layer of 2-3mm surface hoar interlaced with 1mm rounds. We also had a result of ETCX.

While the buried SH wasn’t super reactive in our tests, it was definitely still present in the more sheltered northerly aspect NTL that we dug our pit in.