The avalanche size was measured with a GPS, rangefinder and inclinometer. Photo: GNFAC
15-16
The avalanche debris on the uphill sides of these trees gives an indication of the size of the slide as it strained through this terrain trap. Photo: GNFAC
The skier is standing where the avalanche victim came to a rest. He was carried through the thick stand of trees and ended up partially buried at the toe of the debris. Photo: GNFAC
This view is from the crown, looking down the slope. The starting zone was steep and measured 39-42 degrees. Photo: GNFAC
The snowpit was 130cm deep, mostly consisting of a wind slab sitting on depth hoar. A cornice looms above. Photo: GNFAC
GNFAC Avalanche Advisory for Wed Jan 20, 2016
Bridger Range Madison Range Gallatin Range
Lionhead area near West Yellowstone Cooke City
From Ace Powder Guides: "We rode the Dutchmans area today south of Cabin Creek. The snow rode really well and there was a good base beneath all the new snow. We didn't notice any whomping or collapses but did see two natural slides that came down last night." Photo: B. Radecky
Forecast link: GNFAC Avalanche Advisory for Wed Jan 20, 2016