Avalanche forecast

Jasper

Dec 2 – 3, 2020
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Avalanche danger

Thu
Fri
Alpine
2 · Moderate
Treeline
2 · Moderate
Below
2 · Moderate
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Highlights

Warm temperature inversion expected in the higher elevations. Caution advised on steep solar aspects in the afternoon Wednesday.

Avalanche problems

  • Wind Slabs

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

    Continuing SW winds in the alpine loading lee slopes. Be cautious of local wind influences where reverse or cross loading may have occurred.

  • Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    1–2.5

    The Nov. 4 is down about 50cm at tree line (2000m) and breaking down. Be careful around "thin to thick" areas where deep slabs could be triggered.

  • Loose Wet

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

    Watch for loose wet avalanches on all steep solar aspects.

Weather Forecast

Clear skies overnight with light winds. A stronger temperature inversion will set up by Wednesday morning with above freezing temperatures from 1500-2000 metres up to 3500 metres. Three Valley temperatures forecasted to be above freezing for the remaining week.

Snowpack Summary

Previous winds have stripped the snow from all fetch in the alpine and open tree line. Soft snow can still be found in specific sheltered locations at tree line and below. Snow depth at the Bald Hills at tree line is around 80cm with the Nov 4 crust down 50cm and breaking down. The snowpack is supportive to skis.

Avalanche Summary

No new avalanches observed or reported in the region.

Confidence

Regions covered