Avalanche Forecast
Regions: Glacier.
Weather Forecast
Cloud with snow starting late this morning, up to 8cm of accumulation today and 10cm tonight. Alpine high of -6, winds from the south 20km/hr. Freezing levels expected to rise up to 1600m Monday as the atmospheric river pushes inland with 60cm of snow by Tuesday morning.
Snowpack Summary
10cm in past 24hrs, 60cm of settling storm snow with 160cm of snow accumulation over the past two weeks. Expect to find pockets of wind slab along ridge lines and lee features due to the moderate south winds in the Alpine. The Jan 16 surface hoar is down ~60cm, Jan 4 down ~80cm and Dec 15 down ~1m+ making for a complex sandwich of weak layers.
Avalanche Summary
Snowboarder triggered size 2 yesterday, see Avalanche Canada Mountain Information Network (MIN) for more details.Test results showing the Jan 16 surface hoar (5-10mm) down ~60cm, fails suddenly and has a high propagation potential, which could result in large avalanches.No new natural avalanches observed along the highway corridor yesterday.
Confidence
Intensity of incoming weather systems is uncertain on Sunday
Avalanche Problems
Wind Slabs
Aspects: North, North East, East, South East, South.
Elevations: Alpine, Treeline.
Likelihood: Possible - Likely
Expected Size: 1 - 2.5
Persistent Slabs
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood: Possible
Expected Size: 1.5 - 3