Snowpack

Tragedy Springs

Travis FeistCentral Sierra Nevada
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Observation photo 1

Quick report

I went from Tragedy Springs to Plasse Peak today, and checked for Dec 12th facets in several places on shaded slopes +/-8,000ft. I found them to be loose and weak, and in two different locations I got unstable snowpack test results on the facets. In one location I couldn't trigger an ECT, even going beyond the 30 loading steps. But then I tried a Deep Tap test, which failed with Sudden Planar results. About a half mile away, I got two ECTs to fail and propagate on the Dec 12th facets.

Although all aspects observed had a thin crust on the surface, it was very fragile and riding conditions were excellent.

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Unstable snowpack test results on Dec 12th facets

Weather

Cloud Cover
broken
Wind Loading
none
Snow Avail For Transport
small smounts

Warm, calm, thin high clouds

Snowpack

60cm of high density snow above Dec 12th facets, which were still loose and weak on shaded aspects at +/-8,000ft