Avalanche forecast

Jasper

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

Avalanche danger

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

There is some uncertainty regarding how high the freezing levels will climb over the next few days. Be aware that hazard will increase or decrease depending on how warm it gets and how much sun is out.

Avalanche problems

  • Wind Slabs

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

    Watch out for lingering wind slabs down into exposed tree line features.

  • Cornices

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    1–3

    Be mindful of what is above you when the sun comes out and the temperatures start to rise.

  • Loose Wet

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    1

    Expect small wet loose avalanches off steep rock features with increasing temperatures and solar input.

Snowpack Summary

There is a 1-5cm breakable temperature crust on all aspects below 1700m. Also a sun crust on solar aspects to at least 2100m. The midpack is mostly solid but there could be a Feb 13 interface down 20-50cm as a suncrust on solar aspects and a facet layer on polar aspects.

Avalanche Summary

No new recent avalanches have been observed around Jasper

Confidence

Intensity of incoming weather systems is uncertain on Wednesday

Weather Forecast

Tuesday

Mainly cloudy with isolated flurries.

Precipitation: Trace.

Alpine temperature: High -3 C.

Ridge wind southwest: 15 km/h.

Freezing level: 2000 metres.

Wednesday

Mainly cloudy with isolated flurries.

Precipitation: Trace.

Alpine temperature: Low -8 C, High -2 C.

Ridge wind southwest: 20 km/h gusting to 60 km/h.

Freezing level: 1900 metres.

Regions covered