Wind slabs are widespread through the region with new and previous loading in lee features. Sensitivity will vary with local loading and wind patterns.
Shallow snowpack areas, windslabs and/or large triggers such as cornice failures could trigger this deep layer. The consequences of triggering will likely be severe!
Deep persistent slabs are best managed by:
Cornices are best managed by:
Fair weather is here. An upper ridge of high pressure will prevail today giving way to a more zonal flow over the province Thursday. The will bring a series of frontal systems to northern BC through the day Thursday.
Find the Alberta Rockies weather synopsis here: Mountain Weather Forecast
Variable strength windslab on most surfaces TL and above. Some solar effect on steep South aspects. Pronounced cornice development on northerly aspects and cross loaded features treeline and above. The mid-pack is bridging the deeper basal facets and depth hoar in some locations.
Average HS at treeline: ~180cm.
No new avalanches reported from field teams in the Icefields.