Sea To Sky

Once the surface crust becomes wet and slushy, wet loose avalanches are possible, especially in steep terrain.

High

• Confidence is due to a stable weather pattern with little change expected.

No new avalanches have been reported since our most recent storm cycle. A surface crust dominates most elevations and aspects. As the crust breaks down during daytime warming, wet loose avalanches are possible.

Cornices are large and looming after the recent storm. Keep them in mind during this warming trend, they can act as large triggers for slopes below

A surface crust extends to mountain top on most aspects and elevations. Save for BTL, where the snowpack is moist, and a crust may not have formed overnight. Up to 50 cm of moist snow lies beneath the crust at higher elevations.

The mid-December crust is 100 to 200 cm deep and reaches up to 2200 m. It's well-bonded to the snow above. Above 2200 m, a layer of facets and a crust from November is at the base of the snowpack. These layers are not currently a concern.

Thursday Night
Clear skies. 20 km/h southeast ridgetop wind. Treeline temperature 6 °C. Freezing level 3200 m.

Friday
Sunny. 10 km/h south ridgetop wind. Treeline temperature 8 °C. Freezing level 3400 m.

Saturday
Sunny. 10 km/h north ridgetop wind. Treeline temperature 9 °C. Freezing level 3500 m.

Sunday
Sunny. 10 km/h north ridgetop wind. Treeline temperature 9 °C. Freezing level 3400 m.

More details can be found in the Mountain Weather Forecast.

• Avalanche danger will increase as the surface crust breaks down.
• Pay attention to cornices and give them a wide berth when traveling on or below ridges.
• Avoid steep, sun-exposed slopes when the air temperature is warm or when solar radiation is strong.