Irwin Guides Observation

CB Avalanche Center 2017-18 Observations

Location: Crested Butte Area
Date of Observation: 03/09/2018
Name: Alex Banas

Subject: Irwin Guides Observation
Aspect: North, North East
Elevation: 9,400′-11,100′

Weather: igh clouds throughout the morning with a brief clearing trend around 1300. Warm temps. Calm gusting to moderate down-valley winds.
Snowpack: HS varied from 60-120cm. Persistent slab structure is present on the northerly aspects on Snodgrass, decreasing slab thickness as the aspect tilted more easterly. A few 50cm deep hand pits showed moderate to hard results failing above a stout MFcr. The 4f upper pack is comprised of rounding facets. No cracking, collapsing or avalanches observed today.