Avalanche forecast

Kananaskis

Nov 26 – 27, 2017Alberta Parks
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Avalanche danger

Tue
Wed
Alpine
3 · Considerable
Treeline
2 · Moderate
Below
1 · Low
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Highlights

Cooler temps, light snow and strong winds are on the way.  Careful evaluation of the snowpack is advised as it is different at each elevation.  We are dealing with the October 17 crust, the Halloween crust and the November 23 crust.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Likely
    Size
    1–2
    Expect windslab development in lee and cross loaded gullies.

  • Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible - Likely
    Size
    2–3
    We are still concerned for this layer overlying the Halloween crust. Expect it to be intact and reactive at upper elevations.

Confidence

Moderate -

Weather Forecast

Expect 10cm, cooler temps and strong winds for Sunday night going into Monday.

Avalanche Summary

No new avalanches observed and lots of evidence of slides from the recent rain event.

Snowpack Summary

5-10cm moist snow overlying 10cm thick Nov 23 raincrust up to 2400m.  Above 2400m, approx 50-70cm of dense snow overlying the Oct. 31 crust.  Expecting fresh windslabs in lee features and gullies.

Regions covered