{"blocks":[{"key":"ebqn","text":"The recent storm delivered 30-60 cm of new snow to the region with strong southwest winds. Winds have since shifted to the northwest and are forecast to shift again to the northeast and increase in a strong arctic outflow event on Friday. With this pattern, few aspects will be spared from wind slab concerns. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1baqp","text":"The new snow is sitting on a weak layer of surface hoar buried 30-60 cm deep in many areas, especially in sheltered areas at treeline and below treeline. See this MIN from the Shames area that shows this layer when it was on the surface.The new snow will also be sitting on a crust on solar aspects (south through west facing slopes). ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":43,"length":12,"key":0},{"offset":163,"length":3,"key":1}],"data":{}},{"key":"3obni","text":"There are several additional layers of surface hoar that are now buried 70-120 cm and 110-160 cm deep, and are likely the most prominent around treeline. On south through west facing slopes, this surface hoar may be sitting on a crust, which may increase the potential for triggering avalanches on these layers. Below about 1000m, the recent new snow is sitting on a melt-freeze crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cv3bg","text":"A weak layer of facets that formed in January may be found about 150 to 200 cm deep, and an early season melt-freeze crust lingers at the base of the snowpack. These layers have produced a few very large natural and explosive triggered avalanches over the past two weeks.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":16,"length":6,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/87d5421f-666e-423b-8eca-66dcffb8052a"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#faceted-snow"}}}}