Roar Lake Area
South Coast Inland
dougbrownvancouver , Wednesday 13th January, 2021 9:35PM
Snow conditions were: Deep powder. Weather conditions were: Cloudy, Sunny. We rode: Dense trees. We avoided: Alpine slopes, Convex slopes. Riding quality was good.
Ski pen 50-60cm in the trees (lots of tree bombs had wrecked many of the tree zones with a bit of solar exposure). Ski pen 20-40cm in open zones at treeline. Profile 1870m SW facing, 30deg angle. Probed depth 210cm, bottom 10cm had no resistance. Pit depth 140cm 0-85cm Fist (slightly upside down, top 20cm) 86-140cm 4 Finger Compression Test: CT mod (16) 75cm DFs resistant planar CT mod (18) 100cm SH resistant planar Extended Column Test: ECTN 25 75cm ECTN 28 100cm
Numerous 0.5 - 1.5 avalanches observed on N & SW aspects. Observations taken from the 1900m shoulder, N of Rohr lake. Most debris piles looked size 0.5-1 (small pockets from convex or cross loaded features). Start zones of the three size 1.5-2 debris piles were not observed due to clouds. Avalanches ran mid storm cycle.
Source: Avalanche Canada MIN