North Columbia

Use caution in wind-affected areas at higher elevations where new snow and wind have formed cohesive slabs that could be reactive to human triggering.

On Monday, a size 1.5, skier-triggered wind slab avalanche was reported The avalanche occurred in a wind-loaded pocket at 2300m.

A MIN (see here) in a neighboring region a group bootpacking a couloir triggered size 3 avalanche on a south-facing slope at 2600 m. This large avalanche is evidence that where the crust doesn't exist or is thin, the persistent problem remains possible to human trigger and a concern.

Roughly 10 to 30 cm of dry snow sits atop a widespread, hard crust. In general, the crust is strong and thick enough to be supportive to travel on.

In the mid and lower snowpack, various weak layers persist in areas, however, triggering any of these layers is unlikely given the supportive crust above.

Tuesday Night

Cloudy with 0 to 5 cm of snow throughout the region, up to 10 cm local to Revelstoke, 10 to 25 km/h southwest ridgetop winds, treeline temperature -5 °C.

Wednesday

Mostly cloudy with 0 to 5 cm of snow, 10 to 20 km/h southerly ridgetop winds, treeline temperature -5 °C.

Thursday

Partly cloudy with 1 to 2 cm of snow, 10 to 20 km/h northwest ridgetop winds, treeline temperature -7 °C.

Friday

A mix of sun and cloud with, 1 to 2 cm of snow, 10 to 30 km/h nort ridgetop winds, treeline temperature -9 °C.

More details can be found in the Mountain Weather Forecast.

• Be carefull around freshly wind loaded features.
• Be aware of the potential for loose avalanches in steep terrain where snow hasn't formed a slab.
• When a thick, melt-freeze surface crust is present, avalanche activity is unlikely.