{"blocks":[{"key":"bo3sc","text":"Another 10-15cm overnight Friday will add to recent snow fall amounts of 15-30cm for a total of 30-45cm of snow in the past 72 hours and 40-75cm in the past week.  At upper elevations, moderate to strong southwest wind has likely blowing the new snow into fresh slabs that may be reactive to human triggers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a3re4","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"oeqb","text":"As of Saturday morning 2 known weak layers will be buried 40-75cm: a rain crust from the first week of December and a surface hoar layer that formed in clear weather soon after.  Both have shown significant and widespread signs of instability in recent days.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":74,"length":5,"key":0},{"offset":118,"length":12,"key":1}],"data":{}},{"key":"8l5ca","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c01vg","text":"Numerous MIN's from Thursday report ongoing signs of instability on both of these weak layers, many of them with avalanches to report so they are shared in the avalanche summary.  This MIN from the Whitewater backcountry on Thursday found ongoing signs of instability and test pits showed \"easy pop\" results down 45cm.The depth of these weak layers is less in the Rossland as indicated by this MIN.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":185,"length":3,"key":2},{"offset":394,"length":3,"key":3}],"data":{}},{"key":"c84e7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fc7br","text":"Snowpack depths vary with elevation, treeline averages between 50-100 cm. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bsg3b","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1573o","text":"The early November crust is sitting about 10-30 cm up from the ground. There is a late November crust in the midpack in some places as well.  Uncertainty with these crusts exists due to limited observations, but there haven't been any recent avalanches reported on these layers in this region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crusts#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=surface+hoar#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/01a53f6e-fd22-4f6a-bb85-70d70ff9990f"}},"3":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/fd439ce2-462b-4bf9-b160-4f5c3a2a5031"}}}}