Bulletin d’avalanche

Jasper

Dec 31, 2020 – Jan 1, 2021
Voir sur la carte
Archivé · expiré 6 years ago

Danger d’avalanche

Fri
Sat
Alpin
2 · Modéré
Limite forestière
2 · Modéré
Sous la limite
1 · Faible
Ouvrir la carte complète

Points saillants

Light precip and SW winds over the next two days as we limp into the New Year.

Look for a bit of a stormy refresh coming through the weekend.

Problèmes avalancheux

  • Persistent Slabs

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

    In the alpine hard slabs sit overtop of facets. Dec 14th surface hoar to 6mm can be found in sheltered locations up to 2200m.

  • Deep Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    1.5–3.5

    Be cautious of thick to thin snowpack areas being likely trigger locations. The persistent slabs have the potential to step down to the weakness at the base of the snowpack.

Weather Forecast

Tonight, expecting some isolated flurries, with little accumulation. Alpine temperature: Low -11 C, with light SW winds.

Thursday: Cloudy with sunny periods and isolated flurries and trace accumulations. High of -8 C. Light SW winds at ridgetop.

Snowpack Summary

Varied surface conditions with aspect and geographic location. 15-25cm of un-compacted snow over a firm mid-pack with facets and depth hoar lingering near the ground. Mid-December persistent layers, including SH, and SH/FC combos can be found down 25-40cm but, only in isolated and sheltered locations, and almost exclusively in the Icefields region.

Avalanche Summary

No new avalanches observed or reported today. Make your field trip observations count! Share them with the local outdoor adventure community on the Mountain Information Network from Avalanche Canada.

Confidence

Intensity of incoming weather systems is uncertain on Friday

Régions couvertes