{"blocks":[{"key":"9st51","text":"Incremental snow and wind is adding to previous wind-loading in the alpine and at treeline. Where the snow is being drifted and stiffened by wind, human-triggered avalanches may be possible. Cornices are large and looming and may be reaching their breaking point.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bqlar","text":"40-60 cm of snow fell during the weekend storm above 1900 m. Extreme winds originating from the southwest and shifting to the northwest created a tricky loading pattern at treeline and above and accelerated cornice growth. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eq9n3","text":"Below 1900 m, 10-20 cm snow may cover a crust that formed during the storm from warm temperatures and rain. The snow above this crust is well-bonded and gaining strength.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"931h","text":"A weak layer of surface hoar may still be found about 90 cm deep around Golden and Kimberley, 50 cm deep around Invermere, and 130 cm deep along Kootenay Lake. As usual for the Purcells, the base of the snowpack contains basal facets. It remains possible to trigger these deep weak layers in shallow rocky start zones or from a heavy trigger such as a cornice fall. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":16,"length":12,"key":0},{"offset":221,"length":12,"key":1},{"offset":292,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}