Subject: | [MCR] Rohr Ridge |
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Date: | Sat, 26 Dec 2009 14:18:10 -0800 (PST) |
We skied up the W ridge of Rohr last Friday and down the south side on slide path 69.2 traversing into the chute from the W at a lower elevation than the start zone. The important theme of the day was intense radiation; some minor loose snow avalanches were observed from under rocky features on solar aspects. Moist snow on most terrain over 30 degrees on these aspects will be crusty tomorrow. Better quality skiing was found on less steep terrain but the snow had absorbed much heat and below 5000' formed a 1 cm crust from the warm temperatures. A profile at about 6900' near ridgeline (HS = 250) on a SSW aspect showed relatively ugly snowpack characteristics with 2 crust/facet interfaces, one down 65 cm and another down 100 cm. The faceted layers although not thick are low density and weak. Tests however produced results in the moderate-hard range including a Rutschblock 5 on the interface down 65, all shears being resistant planar or sticky. No results on the 1 cm rc down 100. Ski cutting steep features produced no results. Tim Pochay MG Looking for the perfect gift? Give the gift of Flickr! _______________________________________________ These observations and opinions are those of the person who submitted them. The ACMG and its members take no responsibility for errors, omissions, or lapses in continuity. Conditions differ greatly over time and space due to the variable nature of mountain weather and terrain. Application of this information provides no guarantee of increased safety. Do not use the Mountain Conditions Report as the sole factor in planning trips or making decisions in the field. Please check out http://acmg.ca/mcr for more information. |
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