{"blocks":[{"key":"a3u6t","text":"The combination of a warm storm earlier this week followed by cooler temperatures has reworked the snowpack.  As things cool after high freezing levels, anticipate refrozen surfaces below treeline up to 1800m.   Freezing rain was also observed at some locations in the southern Purcells to ridge top, but appears to have missed the northern Purcells.  New snow is not bonding well to this melt freeze/rain crust, where present.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"34kfu","text":"Recent snow (10-30cm) sits on top of a variety of surfaces: old wind affected terrain, buried melt-freeze crust on south aspects and widespread surface hoar at tree line and below.  While high freezing levels may have helped to break down the surface hoar in lower elevation locations, it will still be intact where snow remained cool.  In other words, if there are no THICK rain crusts at and below tree line, be on the look out for buried surface hoar. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":144,"length":12,"key":0}],"data":{}},{"key":"2cuvm","text":"A recent MIN near Kicking Horse resort describes signs of instability, test results on buried Surface Hoar layers and how they managed terrain to avoid any problems.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":9,"length":3,"key":1}],"data":{}},{"key":"a3uj7","text":"The lower snowpack is characterized by a couple of crusts, the most notable is from rains in early November (Nov 5 Crust).  This crust is sitting near the base of the snowpack, likely surrounded by a weak layer of sugary facets. It is most likely to be reactive to human triggers or in a step-down from a smaller avalanche in shallow, rocky areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":288,"length":9,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=surface+hoar#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/60daab56-e41d-4130-ac12-f1f4a177e27b"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=step+down#step-down-avalanche"}}}}