Avalanche forecast

Jasper

Jan 22 – 23, 2017Parks Canada
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Archived · expired 10 years ago

Avalanche danger

Sun
Mon
Alpine
3 · Considerable
Treeline
2 · Moderate
Below
1 · Low
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Highlights

Great ice climbing conditions this week.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible - Likely
    Size
    1–3
    Any loaded alpine features will be especially sensitive to human triggering.

  • Deep Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    1–3
    Isolated locations where this layer is persisting. Has morphed into depth hoar in many areas.

Weather Forecast

No precipitation expected other than very light scattered flurries. Freezing levels staying below 1600m. Minimal wind expected, light Southerly.

Snowpack Summary

Wind slabs in the alpine primarily on N to E asps. At treeline, soft slab and wind slabs in open areas over a faceted midpack to depth hoar. Nov crust in isolated areas; deeper, sheltered north aspects. Thin rain crust BTL on all aspects below 1600m.

Avalanche Summary

Natural avalanches observed in the alpine from broad, large, wind loaded features from size 2 to 3 in the past 48hrs.

Confidence

Due to the number of field observations

Regions covered