Be prepared to dial back your objective as the danger increases.
New storm and wind slabs will likely build throughout the day.
A new storm slab problem will likely build throughout the day. Where slab properties are not observed dry loose avalanches are possible.
Storm slabs will be most reactive where they overlie surface hoar.
No significant slab avalanches were reported over the past 4 days. Natural and skier triggered dry loose avalanches up to size 1 continue to be reported from steep terrain where the surface snow hasn’t formed slab properties or bonded to the underlying crust.
2 natural cornice falls were reported on Thursday. Neither of these cornices triggered a slab on the slope below.
By the end of the day on December 14th up to 20 cm of new snow may have fallen. This will be accompanied by moderate to strong southwest wind forming larger deposits on north and east aspects. In sheltered terrain this new snow will overlie surface hoar.
A layer of surface hoar and/or crust can be found down 20 to 40 cm. The extent of this crust is uncertain in the Selkirks. Where this crust is thin or not present a layer of surface hoar may be found.
The mid and lower snowpack is well-settled, dense, and generally strong. Treeline snow depths range from 100 to 150 cm.
Friday Night
Cloudy with up to 10 cm of snow expected. 20 to 40 km/h south ridgetop wind. Treeline temperature -3 °C.
Saturday
Cloudy with 5 to 15 cm of snow expected. 30 to 50 km/h southwest ridgetop wind. Freezing level rising to 1500 m.
Sunday
Cloudy in the morning and mix of sun and cloud in the afternoon. Up to 5 cm of snow possible by early morning. 20 to 40 km/h southwest ridgetop wind. Treeline temperature -6 °C.
Monday
Cloudy with 5 to 15 cm of snow expected. 20 to 40 km/h southwest ridgetop wind. Treeline temperature -6 °C.
More details can be found in the Mountain Weather Forecast.
