{"blocks":[{"key":"b7q8s","text":"This week, variable winds have heavily impacted the snow in open alpine and treeline terrain, leaving wind slabs of a variety of reactivity and hardness on almost all aspects. In some areas, northerly outflow winds throughout the day will redistribute available snow into fresh, more reactive windslabs. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b7nf7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9b5ht","text":"In sheltered areas, it may be possible to find up to 20cm of low density, faceting snow. This new snow overlies a weak layer of near-surface facets and in isolated areas surface hoar, formed by the persistent cold temperatures earlier in the week.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":141,"length":6,"key":0},{"offset":170,"length":12,"key":1}],"data":{}},{"key":"bsmt3","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4b5ob","text":"A recent MIN report from the Duffey found a 40 cm deep surface hoar layer. It was found in sheltered north-facing treeline terrain and was reactive in snowpack tests. There are no other reports of this weakness, so it is most likely a relatively isolated instability.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3ed5e","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eab00","text":"A weak layer of facets (sugary snow) may be found over a crust that formed in early December (down 70-150 cm). In the neighbouring Sea to Sky region this layer has been particularly reactive at treeline and low alpine elevations, between 1800-2100 m. We have seen a decreasing trend in avalanche activity on this layer as it has transitioned into a tricky low-probability high-consequence problem (see the problem description and travel advice for suggestions).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":356,"length":32,"key":2}],"data":{}},{"key":"9f6oh","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3jqh5","text":"The lower snowpack is well settled. Snowpack depth at treeline ranges from 160-250cm.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#low-probability-high-consequence","target":"_blank","url":"https://www.avalanche.ca/glossary#low-probability-high-consequence"}}}}