Avalanche forecast

Jasper

Mar 11 – 12, 2021
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Archived · expired 6 years ago

Avalanche danger

Fri
Sat
Alpine
2 · Moderate
Treeline
1 · Low
Below
1 · Low
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Highlights

Thursday is shaping up to be a great day to get out and get up high. Clear skies's and calm winds. Keep in mind the wind slabs that are out there are sitting on top of a weak layer (Facets)

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    1–2

    Calmer winds are decreasing the reactivity of wind slabs. These sits on top of the Feb 20th facet interface.

  • Loose Wet

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    1–1.5

    As the mercury slowly rises above 0 and the sun comes out, solar slopes will start to loose strength. Caution with your timing when traveling on/under these features.

  • Deep Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    2–3

    Caution in thin facetted snowpack areas where triggering is more likely. This is a low probability but high consequence problem.

Weather Forecast

No precip expected over the next several days.

High -9 lows -13 for Thursday

Winds will be generally light out of the west

Snowpack Summary

High solar input have created crusts and moist snow on solar aspects at TL and below. Continuing SW winds have extensively redistributed the snow pack at TL and ALP. The mid pack is supportive in deep areas, but shallow snowpack areas are weak and failing on buried facet layers in test results.

Avalanche Summary

No field teams or avalanche report today

Confidence

Regions covered