This avalanche happened yesterday and was triggered by a skier in between the two crown faces seen in this photo. This 40 degree, southwest facing slope broke 1 foot deep, 500 feet wide and ran 300 vertical feet. It failed on near surface facets that were formed during last week's clear weather. Photo: GNFAC
Forecast link: GNFAC Avalanche Forecast for Tue Feb 21, 2012