Avalanche forecast

Jasper

Nov 23 – 24, 2011Parks Canada
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Archived · expired 15 years ago

Avalanche danger

Wed
Thu
Alpine
4 · High
Treeline
3 · Considerable
Below
1 · Low
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Highlights

Up to 30 cm of heavy wet snow fell on Tuesday with another 20 cm of snow expected through the day on Wednesday. The avalanche hazard will be High on Wednesday!

Avalanche problems

  • Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Likely
    Size
    1–3
    Warm temperatures and heavy wet snow may increase the possibility of natural avalanches on the weak basal facets below these slabs.

  • Storm Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Likely - Very Likely
    Size
    2–3
    Another pulse of heavy snow is forecast to fall Wednesday. An additional 20 cm is expected adding to the 25 cm that has already fallen. This new snow has formed variable slabs on N-NE alpine and treeline slopes that will be easily triggered.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Forecast snowfall amounts are uncertain on Wednesday

Regions covered