{"blocks":[{"key":"cb7o1","text":"Previous snow surfaces that are now being buried across the region are a mix of large surface hoar from below treeline into the alpine, in places either combined with rime crust or replaced by sun crust on steep sun-exposed aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b1d9r","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6nlqt","text":"In exposed areas at higher elevations, recent moderate southwest winds have formed some isolated wind slabs with the 10-30 cm of low density snow we received late last week. Elsewhere this recent snow remains unconsolidated. The interface below it may present as a sun crust on steep sun-exposed aspects,  as surface hoar in more sheltered lower elevations, or as a more widespread melt-freeze crust below about 1700 metres.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6i9t3","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"97pkn","text":"100 to 160 cm of snow is now resting on a widespread layer of large, feathery, surface hoar from mid-December. This layer was the primary failure plane in a large natural avalanche cycle last week. Activity on this interface has tapered off, but there is some concern for loading from forecast snowfall to reinvigorate avalanche activity at this depth","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":79,"length":12,"key":0}],"data":{}},{"key":"arnnq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2kbdk","text":"Another weak layer formed in late November is now over 170 cm deep and is has become inactive. Concern for this layer is limited to rocky or variable snowpack depth areas in the alpine where it most likely exists as a combination of facets and crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}