{"blocks":[{"key":"871mb","text":"3-day snow totals of 45-70 cm are expected to accumulate on the surface by Thursday morning. The new snow has buried large surface hoar reported below treeline into the alpine. This new interface may present instead as a sun crust on many steep sun-exposed aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"achnd","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2gk92","text":"The new snow adds to 10-30 cm of storm snow from last week. The (December 27) interface below this older snow 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. In some places it may behave as a primary storm slab interface below our new snow accumulations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c9ki8","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3lg81","text":"110 to 180 cm of snow is now resting on a widespread layer of large, feathery, surface hoar from mid-December. Activity on this interface has tapered off, but there is concern for the possibility of storm slab releases to step down to this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":79,"length":12,"key":0},{"offset":222,"length":9,"key":1}],"data":{}},{"key":"8mnu4","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c5mh0","text":"Another weak layer formed in late November is now over 170 cm deep. 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"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#step-down-avalanche"}}}}