{"blocks":[{"key":"891ie","text":"20-40 cm of recent storm snow accompanied by strong to extreme westerly wind has built reactive storm and wind slabs at upper elevations. These slabs may be extra sensitive where they overlie surface hoar in sheltered terrain or a crust on solar aspects. Warmer temperatures and a period of rain overnight Tuesday has formed a thin surface crust up to around 2000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":192,"length":12,"key":0}],"data":{}},{"key":"3ubss","text":"Two weak layers are buried in close proximity to one another. They are 70 to 130 cm deep. The layers are composed of surface hoar and faceted grains and they overlie a hard melt-freeze crust. This recent MIN report observed from Rossland on Wednesday the 13th shows good evidence of a large natural slab avalanche failing on the early December persistent layer during or post-storm. This suggests that it remains possible for riders to trigger these layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":117,"length":12,"key":1},{"offset":134,"length":7,"key":2},{"offset":204,"length":10,"key":3}],"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=surface+hoar#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=facet#faceted-snow"}},"3":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/111f5885-061c-4e7f-9d8e-f79d8d2df6bb"}}}}