Bulletin d’avalanche

Jasper

Nov 15 – 16, 2020
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Archivé · expiré 6 years ago

Danger d’avalanche

Mon
Tue
Alpin
3 · Marqué
Limite forestière
2 · Modéré
Sous la limite
1 · Faible
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Points saillants

Decent ski quality can be found with many early season hazards present. Snowfall and wind values from the incoming storm may differ from area to area within Jasper National Park.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    1–2

    Variable winds may have created pockets of wind slab in unexpected locations

  • Loose Dry

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–1.5

    Be suspect of steep alpine faces with the incoming snow.

Weather Forecast

Sunday: Flurries. Accumulation: 10 cm. Temps: High -6 C. Wind SW: 25 km/h gusting to 65 km/h. Freezing level at valley bottom.

Monday: Cloudy with sunny periods and isolated flurries. Precipitation: Trace. Low -12 C, High -10 C. Wind SW: 15 km/h gusting to 45 km/h.

Tuesday: Flurries. 7 cm. Low -8 C, High -1 C. Wind SW: 15 gusting to 50 km/h.

Snowpack Summary

Treeline has a snowpack of 40-60cm with overall supportive travel. The Nov. 4th rain crust exists up to 2600m depending on location in the forecast area. Variable winds have formed wind slabs at ridge tops.

Avalanche Summary

No new avalanches have been observed or reported on the field patrol to Columbia Icefields with a good visibility on Friday Nov 13th.

Confidence

Timing, track, or intensity of incoming weather system is uncertain

Régions couvertes