Professional Observer:   Wagner
Location: Turnagain -   Girdwood Valley and Turnagain Pass
Date: Oct 29th, 2012
Below are a few photos of the old snow that has been sitting around and faceting
under the past weeks of high pressure...
The snow has lost so much cohesion and become so weak that we have seen
facet-lanches (or facet sluffs). see photos
General snowpack depth: 0-16"
General snowpack hardness: fist hard
General surface conditions: surface hoar .5cm to 20cm (big...)
Snow temp: -3 to -7 C
Soil/Ground temp: 0 to -1.5 C
|Photo 1. Facet chain (1mm grid)|
|Photo 2. Facet-lanches atop Jewel Glacier (sluffs composed of very weak faceted snow)|
|Photo 3. More facet sluffs on the north face of Corn Biscuit|
|Photo 4. Close up of our snowpack to date - old and very weak faceted snow!!|
Professional observers are employees of organizations specializing in avalanche forecasting, mitigation and/or education. Some examples include: CNFAIC staff, AKDOT and AKRR avalanche program employees, AAS/AAI/AIARE level 2 and above avalanche instructors.
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