Continued Moderate SW winds are keeping the wind slabs touchy in lee features. Sensitivity will vary with local loading and wind patterns.
Shallow snowpack areas and/or large triggers such as cornice failures could trigger this deep layer. The consequences would be severe!
Deep persistent slabs are best managed by:
Cornices are best managed by:
There will be a cooling trend for the next 3 days with minimal snow expected. Monday, down to -18 and warming up again early next week. Winds will be light from the West gusting to 45km/h. The freezing level will stay at valley bottom.
Find the Alberta Rockies weather synopsis here: Avalanche Canada Mountain Weather Forecast
Continued SW winds continue building variable strength windslab and pronounced cornice development on Northerly aspects and cross loaded features treeline and above. A supportive mid-pack is bridging the deeper basal facets and depth hoar in some locations.
Average HS at treeline: ~180cm.
An avalanche cycle to sz 3 on North aspects in the NE part of our Park was seen on a flight today.