Avalanche Forecast
Regions: Waterton Lakes.
Weather Forecast
Up to 30cm of snow is forecast over the next 48 hours, starting mostly Tuesday afternoon. Warming to above freezing at valley bottom with continued strong SW winds. Winds backing off and temperatures cooling by Thursday.
Snowpack Summary
Jan 5 suncrust/surface hoar layer is now down 15-30cm. SH up to 15mm was found on sheltered N locations. Strong SW winds building new slabs with lots of storm snow available for transport. S and W slopes predominantly scoured with crossloaded features. Buried windslabs lingering in open areas treeline and above produced by moderate SW winds Dec 28.
Avalanche Summary
No new observations but poor visibility. Suspect sluffing out of steep lee terrain with strong SW winds.
Confidence
Timing, track, or intensity of incoming weather system is uncertain
Avalanche Problems
Wind Slabs
Aspects: North, North East, East.
Elevations: Alpine, Treeline.
Likelihood: Likely
Expected Size: 1 - 3
Persistent Slabs
Aspects: North, North East, East.
Elevations: Alpine, Treeline.
Likelihood: Likely
Expected Size: 1 - 2