Regional closures in Jasper National Park for sensitive caribou habitat in the Tonquin, Maligne-Brazeau and, North Boundary areas. No access to these backcountry areas. More information follow the links in the Resources below.
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.