Human-triggered wind slab is the main concern.
Be careful around wind-loaded features, especially near ridge crests and rollovers.
Wind slabs may remain sensitive to human triggering. Be careful as you transition into convex, lee features and cross-loaded terrain, where triggering is most likely.
This weekend, sluffing was observed throughout the region on steep, sheltered slopes where snow had not been affected by the wind.
Around Big White, explosive control work in alpine terrain produced several wind slabs (size 1.5) on north-to east-facing aspects. One persistent slab (size 2) that stepped down to the November crust was reported on Sunday.
30 to 50 cm of recent snow overlies a prominent crust formed in mid-December that extends up to 2200 m. In open areas at treeline and above, this snow has been redistributed by southerly wind.
In the upper snowpack, several other crust layers may exist. In the mid-snowpack, a faceted crust from mid-November can be found.
The snowpack depth is around 100 cm, tapering with elevation below 1500 m.
Monday Night
Mostly cloudy. 2 to 4 cm of snow. 50 km/h south ridgetop wind. Treeline temperature -6 °C.
Tuesday
A mix of sun and clouds. 30 km/h south ridgetop wind. Treeline temperature -7 °C.
Wednesday
Mostly cloudy. 10 to 15 cm of snow. 50 km/h south ridgetop wind. Treeline temperature -6 °C.
Thursday
Mostly cloudy. 5 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -7 °C.
More details can be found in the Mountain Weather Forecast.
