Mt. Emmons

Name: Irwin Guides (CBMG)
Title: Irwin Guides (CBMG) Obs from Mt. Emmons
Location: Crested Butte Area
Date of Observation: 12/09/2014
Aspect: North, North East, East
Elevation: 9000-11,400

Weather: FEW, LIGHT WINDS, NO PRECIP

Snowpack: CRESTED BUTTE ZONE (Mount Emmons

Snowpack/Avalanche Obs: Generally quite faceted snowpack 40-120cm deep, ski pen ~10cm, boot pen close to ground.  Although faceted and poor structure as far as avalanche, snowpack still holding onto a supportive structure for enjoyable touring.  SH and FCsf dominate surface, and ~1mm FC throughout “midpack” with 3-4mm dry Depth hoar within 10cm of ground.  No signs of instability and no evidence of previous avalanches.  CT12, CT11, ECTP12, ECTP15 @ 5cm above ground with snowpack of 50cm.  Slab ~F+ to 4F- hardness over F hard, dry, depth hoar. this structure will be quite problematic when we see snow.  Very continuous, persistent weak layer and ability to step down to ground will be high.

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