Boletín de aludes

Kootenay Boundary

Feb 20 – 21, 2015Avalanche Canada
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Archivado · caducó 12 years ago

Peligro de aludes

Sun
Mon
Alta montaña
1 · Débil
Límite del bosque
1 · Débil
Bajo el límite
1 · Débil

Lo esencial

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Problemas de aludes

  • Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely
    Tamaño
    2–5
    Although they are unlikely, these destructive avalanches remain possible given a large trigger in the right spot like a thin rocky area.

Confidence

Good - The weather pattern is stable

Weather Forecast

The weather forecast looks much as it has for the last few days.  Saturday could see some light precipitation in the form on isolated flurries with light northeast winds and daytime high freezing level of 1200m.  Sunday and Monday are expected to be clear and dry with light northerly winds and a freezing level of 1200m to 1600m.

Avalanche Summary

Things appear to be locked up tight and no new avalanches have been reported in the last couple of days.

Snowpack Summary

A wide spread crust can now be found all the way to ridge crest.  Surface hoar has been reported above this crust in the areas around Nelson.  The curst is effectively “caping” the snowpack and doing a good job of protecting the buried weak layers bellow.  However, recent snowpack tests suggest that the mid-January surface hoar layer could still produce an avalanche if given a large enough trigger.  It can be found down about 1m in the alpine and 50-60cm at treeline. The mid-December crust/facet/surface hoar weakness may persist in the mid to lower snowpack at higher elevations.

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