Bulletin d’avalanche

Jasper

Mar 7 – 8, 2020Parks Canada
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Archivé · expiré 7 years ago

Danger d’avalanche

Sun
Mon
Alpin
3 · Marqué
Limite forestière
3 · Marqué
Sous la limite
2 · Modéré

Points saillants

Assess the bond of the new storm snow before stepping into bigger terrain. Submitting a MIN Report is a great way for avalanche forecasters to get more details of the snowpack.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–2.5

    Wind effect and windslab are common through the region with varied reactivity. Increasing snow load will elevate the hazard in the short term.

  • Loose Dry

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Likely
    Taille
    1–2

    The incoming new snow will need some time to settle and stabilize.

  • Storm Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–2.5

    Up to 35cm has fallen in this last storm. It appears to be bonding well.

Weather Forecast

Friday night into Saturday will see an additional 15cm of snow. Temperatures finally cooling to -20 on Sunday and slightly warming through out the coming week. We can expect light winds with the incoming snow, A moderate to strong Westerly flow will follow the storm.

More detailed forecast at: Mountain weather forecast

Snowpack Summary

35cm of recent new snow overlies a variety of surfaces depending on aspect and elevation. The new snow is bonding well to the old surface. Wind slabs are continuously forming on lee aspects. The Columbia Icefields region has a well bridged mid pack overlying basal facets and depth hoar. The northern part forecast region is shallower and weaker.

Avalanche Summary

Teams were down south in the columbia Ice fields area doing avalanche control. Minimal Natural activity out of steep solar and limited control work to Sz2 in the storm interface.

Use the Mountain Information Network to share your field trip observations contributing to the daily avalanche bulletin.

Confidence

Régions couvertes