Avalanche Forecast
Regions: Little Yoho.
Weather Forecast
Mainly sunny conditions Thursday will see lots of solar input which will finally bring some spring temperatures to the region. Light winds and no snow in the forecast. Next week looks like a very warm week which will bring a dramatic spike in the avalanche danger. Stay tuned.
Snowpack Summary
Up to 50 cm of storm snow near the divide affected by strong SW winds Tuesday evening. Several buried temperature crusts exist to 2000m on all aspects and to ridge tops on solar slopes, including the Mar 15 sun crust down 35-50 cm in the alpine. Moist snow at lower elevations, with the entire snowpack becoming moist near valley bottom.
Avalanche Summary
Lots of activity over the past 24 hours. Size 3 wind slabs with avalanche control on Mt. Bosworth, and many size 2-2.5 avalanches on many aspects and elevations. A notable size 3.5 occurred on the Emerald Lake slide path which buried the trail 4m deep Many of the avalanches started as wind slabs and then entrained wet snow at lower elevations.Â
Confidence
Timing or intensity of solar radiation is uncertain on Thursday
Avalanche Problems
Loose Wet
Aspects: North, North East, East, South East, South, South West.
Elevations: All elevations.
Likelihood: Very Likely
Expected Size: 1 - 3
Wind Slabs
Aspects: North, North East, East.
Elevations: Alpine, Treeline.
Likelihood: Likely
Expected Size: 1 - 2.5
Persistent Slabs
Aspects: North, North East, East, South East.
Elevations: Alpine, Treeline.
Likelihood: Possible - Likely
Expected Size: 1 - 2.5