{"blocks":[{"key":"891ie","text":"Snow from the past week has seen a great deal of wind effect at upper elevations and may contain a roughly 50 cm-deep freezing rain crust (from January 31) or surface hoar at lower elevations. It continues to settle over another weak layer buried 60-80 cm deep (from January 24).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9jeh3","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ch4mc","text":"This persistent weak layer may exist as facets or a crust but it has been most reactive where it exists as large surface hoar crystals in sheltered areas treeline and below. Surface hoar has potential to surprise backcountry users with how widely the fracture can travel across slopes. This layer is slow to gain strength and requires careful terrain selection, even as its likelihood of triggering gradually diminishes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":40,"length":6,"key":0},{"offset":113,"length":12,"key":1}],"data":{}},{"key":"7u2h8","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"118b4","text":"There are several more layers of surface hoar in the mid snowpack, with the most notable one down about 80-120 cm. This layer was buried in early January. These older layers (or the crust described below) may take precedence over the layer described above in shallower snowpack areas from the Nelson Range through to the Okanagan.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4f24k","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9p8ih","text":"Another widespread crust from early December is surrounded by weak faceted grains and buried deep within the snowpack. It may be possible to trigger this layer with a large load in a shallow rocky start zone.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":67,"length":7,"key":2},{"offset":183,"length":24,"key":3}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=crust#faceted-snow","target":"_blank","url":"https://www.avalanche.ca/glossary?q=crust#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_blank","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#faceted-snow"}},"3":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#shallow-rocky-start-zone"}}}}