Lawinenlagebericht

Sea To Sky

Dec 9 – 10, 2011Avalanche Canada
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Archiviert · abgelaufen 15 years ago

Lawinengefahr

Sun
Mon
Hochgebirge
1 · Gering
Waldgrenze
1 · Gering
Unterhalb
1 · Gering
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Lawinenprobleme

  • Deep Persistent Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely
    Größe
    2–5
    The likelihood of triggering a large avalanche is low, but it still makes sense to keep the deep weaknesses on your radar. The greatest concern is on steep, unsupported slopes with variable snowpack depths above 1900m.

Confidence

Good - -1

Weather Forecast

A weak system is expected to enter the south coast on saturday bringing trace amounts of snow. A ridge is anticipated for sunday and monday delivering mostly clear skies.Light westerly winds and freezing levels at or around valley bottom are expected for the forecast period.

Avalanche Summary

There have been no recent avalanches reported.

Snowpack Summary

Mixed forms (rounding facets/rounding depth hoar) with an associated crust are prevalent in thin snowpack areas, and have been especially problematic where it is overlying summer firn. Above that, and down 1-2m, are two more crusts combined with more mixed forms and surface hoar. The overlying snow has recently settled and stiffened and the weak interfaces have also started to strengthen. The snow surface is wind hammered in wind-exposed areas, crusty on sun-exposed slopes, and faceted powder with large surface hoar on shady sheltered slopes. A thick rain crust is down 20-40cm and extends up to treeline elevations.

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