Snowpack

Castle Valley/Andesite

Andy PaulCentral Sierra Nevada
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Observation photo 1Observation photo 2

Quick report

Our AIARE Level 1 group observed large, chained, striated and cupped 4-6mm surface hoar in Castle Valley rescue meadow and more modest 2-3mm less developed SH on Andesite E between treed terrain. Temperatures remained cool tho solars exhibited breakable crust at surface. E aspect skiing remains soft and friendly. Height of snow 60-70cm No signs of instability observed while traveling.

Snowpack

Snow surfaces remain soft away from Solar aspects and tree radiation. No signs of instability while traveling. One ECT on Andesite E @7,700’ got ECTX. 10cm of 3mm, rounding facets at lower pack. CT23 SP down 45cm failed on 4F Facets between rain crust. NE aspect 7400’ just above road.