Avalanche Forecast
Regions: East Purcell, Purcells.
Don't let the new snow draw you into big, alpine terrain as triggering large avalanches is possible in steep, rocky areas.
Confidence
Moderate
Avalanche Summary
No new avalanches have been reported at the time of publishing on Saturday.
Snowpack Summary
By Sunday afternoon, storm totals may reach 10 cm over a variety of layers including crusts, unconsolidated facets, and old wind-affected snow. Beneath lies a thin snowpack, with weak facets near the bottom, especially in alpine terrain.
Snowpack depths at treeline average 50 to 120 cm.
Weather Summary
Saturday Night
Mostly cloudy with 5 to 10 cm of snow, northeast alpine wind 10 km/h, treeline temperature -12 °C.
Sunday
A mix of sun and cloud with a dusting of snow, calm alpine wind, treeline temperature -12 °C.
Monday
A mix of sun and cloud with no snow, southwest alpine wind calm to 20 km/h, treeline temperature -16 °C.
Tuesday
A mix of sun and cloud with up to 5 cm snow, west alpine wind 35 km/h, treeline temperature -9 °C.
More details can be found in the Mountain Weather Forecast.
Terrain and Travel Advice
- Use caution on large alpine slopes, especially around thin areas that may propagate to deeper instabilities.
- Be especially cautious near rock outcroppings, on steep convexities and anywhere the snowpack feels thinner than average.
Avalanche Problems
Deep Persistent Slabs
A layer of weak facets near the ground may be triggerable by riders. Especially in shallow, rocky alpine terrain where it is not covered by a thick crust.
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood: Unlikely
Expected Size: 2 - 2.5