{"blocks":[{"key":"891ie","text":"A surface crust exists up to around 2000 m. The top 20-40 cm of the snowpack is composed of some elevation-dependent permutation of a crust sandwich, formed by fluctuating freezing levels during the last storm. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4epgk","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bv5j6","text":"A layer of surface hoar (and/or another crust) may be found beneath the most recent storm snow in sheltered terrain. A couple of recent avalanches are suspected to have run on this layer and where it has been found in snow profiles, it has been producing moderate to hard planar test results.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0}],"data":{}},{"key":"2la0g","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3ubss","text":"An older weak layer is buried 70 to 130 cm deep. It is composed of faceted grains over a crust. This recent MIN report observed from Rossland on Wednesday the 13th shows good evidence of a large natural slab avalanche failing on this layer during or post-storm. This suggests that it remains possible for riders to trigger this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":67,"length":7,"key":1},{"offset":108,"length":10,"key":2}],"data":{}},{"key":"74b0f","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cq2qh","text":"Another layer of faceted grains above a melt-freeze crust that formed in early November is upwards of 200 cm below the surface. This has been the suspected failure layer of a few very large avalanches that released last week in the Rossland range.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=facet#faceted-snow"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/111f5885-061c-4e7f-9d8e-f79d8d2df6bb"}}}}