Valanga

Rock-Howard-Mastiff Traverse

Avalanche.org observerStevens Pass
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Quick report

4+ inches of new snow above tree line, solar aspects got wet and heavy quickly, mix of dry snow and wind affected snow on the north faces, lots of signs of old wet loose avalanches and plenty of fresh roller balls.

Avalanche

Triggered D.5 wind slabs on north side of Rock Mountain and a D1 wet slab on the south side of the saddle between Rock and Howard.