Avalanche forecast

Jasper

Feb 21 – 22, 2022
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Archived · expired 5 years ago

Avalanche danger

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

Wind slabs may be forming in unusual spots due to northerly winds. Ice climbers, watch out for spin drifts from above.

Avalanche problems

  • Wind Slabs

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

    These slabs are sitting on old hard surfaces (old wind slabs, temperature and sun crusts).

  • Loose Dry

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

    Most concern for ice climbers. Avoid narrow gullies and climbs exposed to steep rocky terrain.

Weather Forecast

Monday:A mix of sun and cloud.Precipitation: Nil.Alpine temperature: High -25 C.Ridge wind east: 15 km/h.Freezing level at valley bottom.

Tuesday:Sunny with cloudy periods.Precipitation: Nil.Alpine temperature: Low -30 C, High -20 C.Ridge wind northeast: 10 km/h.Freezing level at valley bottom.

Snowpack Summary

Up to 15 cm of new snow. New wind slabs in the alpine and exposed tree line from strong SW winds and incremental precipitation. Weak temperature crust up to 1900m and solar crust on solar aspects up to 2800m. December facets down 20-70cm, showing signs of rounding within bulletin region. Basal facets & depth hoar present throughout area.

Avalanche Summary

Icefields patrol and Maligne road patrol did not observe any new natural avalanche activity. Visibility was fair overall on Sunday.

Confidence

Due to the number of field observations

Regions covered