{"blocks":[{"key":"auajm","text":"As new snow begins to accumulate, be on the look out for how new snow is bonding to storm interfaces and known weak layers (such as the crust and surface hoar).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":136,"length":5,"key":0},{"offset":146,"length":12,"key":1}],"data":{}},{"key":"5crp4","text":"Overnight Wednesday another 10-35cm of snow falls on top of recent 10-30cm of snow bringing total recent snowfall amount to 20-65cm.  (Highest levels forecast for the Brohm Ridge region).  However, this snow is heavily wind affected from strong to extreme southeast, northeast, south and southwest winds resulting in variable distribution of snow across the alpine and ridgecrests at treeline.  In lee areas expect to find wind slabs and heavier snow fall accumulations.  On windward slopes sastrugi, scoured areas and old surfaces may be encountered.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":398,"length":3,"key":2}],"data":{}},{"key":"d0k2t","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2k24j","text":"In wind sheltered areas, new snow has fallen on a variety of surfaces.  Most notable is the melt-freeze crust from last week and in some places a buried surface hoar layer.  The surface hoar is more likely preserved in sheltered locations at treeline.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4kirv","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1cm0o","text":"This melt-freeze crust is widespread and now buried by 30-65 cm of snow at elevations above 1000 m.  A MIN from Dec 15 near Metal Dome trees had test results on this crust buried 30cm.  This crust was also reported in a \"very easy\" sudden character test pit (ECT) reported in this MIN at 1850m in the Flute/Russet/Fissile area on Dec 15.  Another MIN did not find notable test pit reactivity on the crust near the Apostles.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":103,"length":3,"key":3},{"offset":281,"length":3,"key":4},{"offset":347,"length":3,"key":5}],"data":{}},{"key":"fiqfj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"erkao","text":"Snowpack depths change rapidly with elevation, with 0-50 cm below treeline to 170 cm in the alpine.  Below treeline conditions are slowly improving but remain variable as indicated in this MIN from Singing pass trail.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":189,"length":3,"key":6}],"data":{}},{"key":"esefv","text":"","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/glossary?q=lee#leeward"}},"3":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/2c013e04-80fb-4039-af52-a0f16497c568"}},"4":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/0c3971fc-323e-461a-b40b-3982b6284fc8"}},"5":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/0c3d4836-5089-4929-aa5c-eb601fcd3ab0"}},"6":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/6aedf019-0fce-4e60-8e30-b93001202eb2"}}}}