Avalanche Forecast
Issued: Dec 2nd, 2023 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Storm Slabs.
trettie,
Avalanche Canada
Use extra caution at treeline where surface hoar is more likely to be preserved.
Reports are coming in indicating that this layer is sensitive to human triggers.
Summary
Confidence
Avalanche Summary
No Avalanches have been reported in the region but we suspect that avalanche activity will increase on Sunday.
Snowpack Summary
Up to 30 cm of new snow has fallen on a variety of surfaces including: a layer of surface hoar on shelterd features, a crust on steep south facing slopes and facets on high north. Southwest winds will likely have formed wind slab on North and east aspects.
A crust with sugary facets beneath it can be found just above the ground.
Expect early-season conditions with a shallower-than average snowpack. Coverage is reportedly the poorest in the alpine and below treeline. At treeline, depths are between 60 to 100 cm.
Weather Summary
Saturday Night
Partly cloudy with trace amounts of new snow expected, south alpine wind 25 to 40 km/h, treeline temperature -8°C.
Sunday
Mostly cloudy, up to 20 cm of new snow expected, southwest alpine wind 30 to 50 km/h, treeline temperature -4°C.
Monday
Mostly cloudy with 10 to 25 cm of new snow expected, southwest alpine wind 25 to 35 km/h, freezing level up to 2000 m.
Tuesday
Cloudy, 20 to 40 cm of new snow expected, southwest alpine wind 25 to 50 km/h, freezing level rising to 2400 m.
More details can be found in the Mountain Weather Forecast.
Terrain and Travel Advice
- Storm slab size and sensitivity to triggering will likely increase through the day.
- Carefully assess open slopes and convex rolls where buried surface hoar may be preserved.
- Early season avalanches at any elevation have the potential to be particularly dangerous due to obstacles that are exposed or just below the surface.
Problems
Storm Slabs
New snow is forming a storm slab at all elevations. The most reactive slabs are likely to be at treeline where surface hoar is well preserved.
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Valid until: Dec 3rd, 2023 4:00PM
