Slate/Wash Gulch Divide

CB Avalanche Center2016-17 Observations

Location: Crested Butte Area
Date of Observation: 03/21/2017
Name: Ian Havlick
Subject: Slate/Wash Gulch Divide
Aspect: South East, South, South West
Elevation: BTL

Avalanches: Observed active natural cornice fall off E-Facing ridge line above Long Lake. Numerous other large cornice failures along same E-Facing ridgeline, some triggering size 2 LW over last few days.
Weather: Increasing clouds throughout morning and rapid warming between 8-10am. Calm to very light west breeze at ridgetop. 25º at TH at 8:30 warmed to 43º by 11:30
Snowpack: Very supportable 4-6″ rockhard crust aspects travelled this morning, including dense aspen forest. Strong solar and warming ambient temperatures quickly softened E-SE surfaces by 930 and 1030 all BTL aspects’ crusts were breaking down. Punchy by 12 noon. Snowpack in 8800-10400′ entirely isothermal and melting fast. Avg HS 40-100cm