Lawinenlagebericht

Cariboos

Dec 9 – 10, 2012Avalanche Canada
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Archiviert · abgelaufen 14 years ago

Lawinengefahr

Tue
Wed
Hochgebirge
3 · Erheblich
Waldgrenze
2 · Mässig
Unterhalb
1 · Gering
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Kernpunkte

Lawinenprobleme

  • Wind Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible - Likely
    Größe
    1–4
    Expect to find buried and newly formed windslabs in exposed lee slopes and cross-loaded gullies well below ridge crests.

  • Deep Persistent Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely
    Größe
    3–6
    Although the likelihood of a release is low, the consequence of a deep persistent slab release is very high. These layers may wake-up with additional loading.

Confidence

Poor - Timing, track, or intensity of incoming weather is uncertain for the entire period

Weather Forecast

Monday: A warm front is expected to give a rise in freezing levels to 800m. Light to moderate precipitation throughout the day and into the night along with moderate to strong northwesterly winds. Alpine temperatures -9.Tuesday: Moderate precipitation. Alpine temperatures -8 with a freezing level at 900m. Moderate southwesterly winds.Wednesday: Broken skies, light flurries, winds light from the northwest and alpine temperatures -10.

Avalanche Summary

There are limited recent observations from this region.

Snowpack Summary

The most recent storm is settling and being redistributed by the wind. A buried surface hoar layer, down about 120 cm, and the early November rain crust (facet-crust combo), over 150cm down in some locations, remain a concern for isolated deep slab avalanches.Average snow depths at treeline seem to be between 160 and 200cm. Elevations below 1500m are still reported as below threshold.In general, snowpack information is sparse in this region and significant variations likely exist from one drainage to another. Digging down and making your own observations will be critical to safe slope selection. Any observations from the field are welcome at [email protected].

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