Avalanche forecast

Jasper

Mar 17 – 18, 2022
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Avalanche danger

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

Be cautious of Wind Slabs in the Alpine and Tree Line elevations on the leeward slopes. Some great skiing to be had in protected areas!

Avalanche problems

  • Wind Slabs

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

    Sculpted terrain features widespread in the Alpine and Tree Line. Wind slabs have been reactive to ski cuts in some locations.

  • Loose Dry

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

    With up to 35cm of new snow, loose new snow could be an issue for ice climbers in tight gullies or steep cliffs above.

Weather Forecast

Friday

Mainly cloudy with isolated flurries.

Precipitation: Trace.

Alpine temperature: High -5 C.

Ridge wind southwest: 15 km/h gusting to 40 km/h.

Freezing level: 1500 metres.

Saturday

Cloudy with scattered flurries.

Accumulation: 4 cm.

Alpine temperature: Low -7 C, High -4 C.

Ridge wind southwest: 15-35 km/h.

Freezing level: 1700 metres.

Snowpack Summary

Parkers Ridge received up to 35cm of snow over the past 5 days which buried a variety of surfaces including wind scoured surfaces and hard slabs. The new snow has formed a wind slab in the Alp and TL. Feb 13 interface down 20-50, present as Melt Freeze crust on solar aspects or DF interface on polar aspects with profiles show resistant reactivity.

Avalanche Summary

Tuesdays avalanche control highway 93 south produced up to size 1.5 wind slab averaging 30cm deep. A few size 1.5 dry loose observed in steep alpine terrain. Ski cut on an steep, unsupported feature in the Maligne range produced a size 2 on a hard wind slab.

Confidence

Regions covered