Avalanche Forecast
Issued: Nov 28th, 2024 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
Parks Canada/Parcs Canada,
Avalanche Canada
Be on the lookout for isolated pockets of wind slab in leeward features and near ridgetop in the Alpine.
Dry loose avalanches are possible in steep terrain as fluffy new snow accumulating.
Trails returning to parking lots have become icy with lots of early season hazards like rocks and stumps at lower elevations.
Summary
Confidence
Moderate
Avalanche Summary
Isolated, small avalanches have been observed in the past few days, see MIN from Connaught Valley on Wed.
On Nov 25 there was a report of a small, human-triggered avalanche on Macdonald West Shoulder.
Snowpack Summary
Flurries bringing light, fluffy new snow will start to bury a variety of surfaces throughout the park. These include: wind effected snow in higher Alpine areas and settled storm snow in sheltered terrain.
The Nov 9 crust is down 50-100cm and unreactive in recent snowpack tests. The base of the snowpack is comprised of several dense, melt-freeze rain crusts formed in October.
Treeline snowpack depths average 110-130cm.
Weather Summary
Northwesterly weather flow will bring cold temps, flurries are forecast to continue through the weekend
Tonight: Flurries, Alp Low -11 °C. Light SW winds. Freezing Level (FZL): Valley bottom
Fri: 5 cm. Alp High -9 °C. Moderate SW winds. FZL: 800m
Sat: 7cm. Alp High -8 °C. Light to Mod to Strong SW winds. FZL: 1000m
Sun: Mix of sun/cloud. Trace precip. Alp High -8 °C. Light SW winds. FZL: 1300m
Terrain and Travel Advice
- Carefully evaluate steep lines for wind slabs.
- Be aware of the potential for loose avalanches in steep terrain where snow hasn't formed a slab.
Problems
Wind Slabs
Isolated wind slabs are present in alpine lee features. Flurries over the next few days and gusting moderate southerly winds, will start to form fresh wind slabs.
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Nov 29th, 2024 4:00PM
