{"blocks":[{"key":"7sdi","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. Today, moderate to strong southwest winds and new snow will continue to transport available snow into fresh, reactive wind slabs in the alpine and treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"65jhf","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"qo8g","text":"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. In sheltered areas, up to 30cm of low density, facetted snow can be found.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":52,"length":6,"key":0},{"offset":81,"length":12,"key":1}],"data":{}},{"key":"18c4i","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"er4hc","text":"A weak layer of facets (sugary snow) can be found over a widespread crust that formed in early December (down 60-200 cm). This layer has been most reactive at treeline and low alpine elevations, between 1800-2100 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9pk60","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2be09","text":"Although we have seen a decreasing trend in avalanche activity on this layer, it has still produced some notable human triggered avalanches over the past week. This problem is particularly hard to predict and poses a tricky low-probability high-consequence scenario (see the problem description and travel advice for suggestions).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":224,"length":41,"key":2}],"data":{}},{"key":"ceu7g","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9ec7k","text":"The lower snowpack is well settled. Snowpack depth at treeline ranges from 200-300cm. ","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":{"url":"https://www.avalanche.ca/glossary#low-probability-high-consequence"}}}}