{"blocks":[{"key":"c99h0","text":"On Monday and Tuesday, storm slab avalanches were reactive naturally and to skier and explosive triggers, up to size 2.  Recent snow appears to sit on a weak interface which may result in storm slab reactivity persisting longer than normal.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f6bsf","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"16fks","text":"There has been an alarming pattern of large, persistent slab avalanches being consistently reported over the past week and a half. Almost all of these avalanches ran on the early December weak layer. Deeply buried persistent problems like these don't go away overnight, and it remains a serious concern. Additional loading by the weight of new snow will further stress this weakness and may result in a resurgence of reactivity.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":0,"length":131,"style":"BOLD"}],"entityRanges":[],"data":{}},{"key":"7b17i","text":"On Tuesday, explosive control work near Rossland produced a size 2.5 persistent slab avalanche on a layer of surface hoar from late December. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ehu5m","text":"On Monday in the neighboring South Columbia region, a natural size 2.5 persistent slab avalanche was reported on a NE aspect at 2200 m failing 80 cm deep on the early December layer.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ffd5r","text":"A few notables from last week feature in our latest blog Photos of recent persistent slab avalanches in the southern interior. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":57,"length":69,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/blogs/persistent-slab-avalanches-in-southern-interior"}}}}