Lawinenlagebericht

Maligne

Nov 26 – 27, 2022Avalanche Canada
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Archiviert · abgelaufen 4 years ago

Lawinengefahr

Mon
Tue
Hochgebirge
3 · Erheblich
Waldgrenze
2 · Mässig
Unterhalb
1 · Gering

Kernpunkte

New snow has finally arrived! Great skiing can likely be found, but the avalanche hazard has increased in many areas, and you still need to watch out for those early season hazards.

Lawinenprobleme

  • Wind Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Very Likely
    Größe
    1–2.5

    Strong south west winds have, and will continue to form wind slabs in leeward and cross-loaded terrain features at tree line and above.

  • Loose Dry

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Very Likely
    Größe
    1–2

    Use caution in steep and/or confined terrain features.

Snowpack Summary

10 to 25cm of storm snow now sits on a significant weak layer combination of facets, surface hoar, and various crusts. Strong south west winds have redistributed this snow into wind slabs on leeward and cross-loaded terrain features in open areas at tree line and in the alpine. The height of the snow at tree line ranges from 50 to 90cm.

Confidence

Moderate

Avalanche Summary

No new avalanche activity was observed on Friday by a team in the icefields area, but visibility was very poor.

Weather Summary

Saturday

Flurries.

Accumulation: 7 cm.

Alpine temperature: High -8 °C.

Mostly light ridge wind occasionally gusting to 40 km/h.

Freezing level at valley bottom.

Sunday

Flurries.

Accumulation: 6 cm.

Alpine temperature: Low -17 °C, High -8 °C.

Mostly light ridge wind occasionally gusting to 30 km/h.

Freezing level at valley bottom.

Monday

A mix of sun and cloud.

Precipitation: Nil.

Alpine temperature: Low -21 °C, High -17 °C.

Ridge wind light to 15 km/h.

Freezing level at valley bottom.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.
  • Avoid terrain traps such as gullies and cliffs where the consequence of any avalanche could be serious.

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