Avalanche Forecast
Regions: Waterton Lakes.
Weather Forecast
Friday: Snow/rain (10-20cm). Ridge wind strong-extreme SW. Alpine temps, Low 0, High 3. Freezing level 2500m.Saturday: Cloudy, PM flurries. Ridge wind mod-light SW. Alpine temps, Low -8, High -1. Freezing level 2000m.Sunday: Models disagree, possible snow/rain (0-40cm), Ridge wind light N. Alpine temps, Low -5, High -2. Freezing level 1600m.
Snowpack Summary
Minimal surface crust recovery with freezing levels staying above 2000m overnight. Incoming warm snow with wind will likely form slabs quickly. As snow transitions to rain watch for surface instabilities to become reactive quickly. Basal facets persist in some areas, and may become reactive to large triggers as a result of ongoing warm temps.
Avalanche Summary
Numerous small to large (up to size 2.0) natural loose wet avalanches were observed on Thursday by neighboring operations, these occurred on all aspects and at all elevations.
Confidence
Forecast snowfall amounts are uncertain
Avalanche Problems
Storm Slabs
Aspects: North, North East, East, South East, South, South West.
Elevations: Alpine, Treeline.
Likelihood: Likely
Expected Size: 1 - 3
Loose Wet
Aspects: All aspects.
Elevations: All elevations.
Likelihood: Likely
Expected Size: 1 - 2
Deep Persistent Slabs
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood: Unlikely
Expected Size: 3 - 4