This 115cm deep pit was dug on an east aspect at 9,100 feet near Hyalite Lake. The ECT failed on 21 taps, twice, and broke clean indicating unstable conditions. It is breaking on 5 cm of sugary facets sitting on an ice crust. Cracking, collapsing and avalanches were seen on this layer in the last 48 hours. Photo: GNFAC
Advisory Year
Forecast link: GNFAC Avalanche Forecast for Mon Nov 21, 2011