Lawinenlagebericht

Glacier

Avalanche Canada
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Lawinengefahr

Mon
Tue
Hochgebirge
3 · Erheblich
Waldgrenze
3 · Erheblich
Unterhalb
2 · Mässig
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Veraltet — dieser Lagebericht ist 4 months ago abgelaufen. Du siehst vergangene Verhältnisse, nicht den aktuellen Bericht.

Kernpunkte

Rising temperature will increase the avalanche hazard throughout the day on Sunday.

Start / finish your day early and avoid exposure to solar slopes during the heat of the day.

Lawinenprobleme

  • Cornices

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible
    Größe
    1–2

    Cornices will become more reactive as temperatures continue to rise throughout the weekend.

  • Storm Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible
    Größe
    1–2

    Recent snow sits over a crust in most locations. Recent skier triggering of this layer suggests it may persist for a few more days, especially on shaded slopes with dry storm snow on a crust. Natural slab avalanches will also be possible on solar slopes during the heat of the day.

  • Loose Wet

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible - Likely
    Größe
    1–2

    Strong solar warming will destabilize the upper snowpack. Avoid exposure to solar slopes when the sun is strong.

Confidence

Moderate

  • We are uncertain about how the timing or intensity of warming will affect the snowpack.

Avalanche Summary

Two reports of skier triggered size 2 slab avalanches on Friday. One from from Quartz creek, and a second on the Thorington.

Another skier triggered size 2 slab avalanche was reported on the Youngs peak headwall on Thursday. Neighboring areas also reported several skier triggered slab avalanches on alpine north aspects.

A group of skiers also reported triggering a size 2 on Video Peak on Wednesday

Snowpack Summary

A surface crust has formed on all but high north aspects. This surface crust is breaking down later in the day with warming.

Up to 40cms of new snow sits on top of a variety of previous old spring surfaces - mainly a moist/wet crust, and pockets of dry snow on high N aspects.

Below treeline expect strong diurnal swings, with crust and refrozen tree bombs/avalanche debris in the AM, and soft sticky snow in the PM.

Weather Summary

Stable weather with high pressure sets up over the region.

Tonight Clear periods. Alpine Low 0°C. Freezing level(FZL) 1100m. Ridgetop wind SW 15 km/h.

Sun A mix of sun and cloud. High 6 °C. FZL 2800m. Wind SW 20 gusting to 45km/h.

Mon Sunny with cloudy periods. Low 4°C, High 8 °C. FZL 3100m. Light wind.

Tues Sun and cloud with isolated showers. Trace precipitation. Alpine High 10 °C. FZL 3200m. Wind SW 15 gusting to 50.

Terrain and Travel Advice

  • Avoid steep, sun-exposed slopes when the air temperature is warm or when solar radiation is strong.
  • A moist or wet snow surface, pinwheeling, and natural avalanches are all indicators of a weakening snowpack.
  • Avoid travelling on slopes below cornices.
  • The more the snowpack warms up and weakens, the more conservative your terrain selection should be.

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