Avalanche

Tam Mac Arthur Rim

Avalanche.org observerCentral Cascades
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Observation photo 1

Quick report

Didn't see signs of instability while ski cutting the top of the run at the rim. While skinning, no cracking or whompfing. It was cloudy, minimal wind. Didn't dig for a test.

Avalanche

3-30 at around 2pm. Northeast Facing, below the upper rim in an opening in the trees. Steep slope, probably 40degrees. While descending I jumped an exposed rock into deep snow, turned around and saw it sliding. No one caught. Crown was about 8in in depth and 30yards wide. Looked to be wind slab.