Avalanche Forecast
Regions: Banff, Banff Yoho Kootenay, East Side 93N, Field, Kootenay, LLSA, Lake Louise, Little Yoho, Sunshine, West Side 93N.
Early-season conditions prevail in the high mountains. Watch out for small wind slabs in the alpine, as they can have serious consequences if triggered by ice and alpine climbers.
Confidence
Low
Avalanche Summary
Small windslabs in leeward areas in the high alpine and exposed areas at upper treeline are possible.
Snowpack Summary
Early season conditions exist in the high alpine, anywhere from 60-80cm of snow can be expected. This tapers rapidly with elevation, treeline snow depths are in the 15-30cm range.
Weather Summary
2-4cm of snow will fall East of the divide and 5-10cm West of the divide Thursday. Freezing levels will be valley bottom in all locations with SW winds 20-30kmh. Winds will increase Thursday night with a few more cm. See the Mountain Weather Forecast for more details.
Avalanche Problems
Wind Slabs
Minimal reports from the alpine, but previous small wind slabs have been reported by ice climbers. New snow and wind may increase the likelihood of encountering and triggering these.
Aspects: All aspects.
Elevations: Alpine.
Likelihood: Unlikely - Possible
Expected Size: 1 - 1.5