Boletín de aludes

Kananaskis

Dec 11 – 12, 2015Alberta Parks
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Archivado · caducó 11 years ago

Peligro de aludes

Sun
Mon
Alta montaña
3 · Notable
Límite del bosque
3 · Notable
Bajo el límite
2 · Moderado
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Lo esencial

The expected winds and available snow will keep the treeline hazard steady at considerable. This is a great time to be curious with the snowpack. Let the snowpack earn your trust!

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    1–4
    These windslabs will appear as freshly windloaded areas near ridge lines. Buried windslabs may also be present in more open terrain.

  • Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    1–4
    Surface hoar is considered a long term problem. Its exact location in the terrain is still a question. Be prepared to look for it as you travel. Using small terrain as "tester" slopes will help indicate the reactivity.

Confidence

High

Weather Forecast

Mostly cloudy tomorrow with trace amounts of precip. The winds will be back for another visit! Expect steady, SW winds in the 25km/hr range with gusts up to 70km/hr. Alpine temperatures will max out at -7 with a freezing level well below valley bottom.

Avalanche Summary

Nothing new from the last 24hrs.

Snowpack Summary

Within the region we had another 3-5cm dusting overnight. This puts the Dec 4 surface hoar layer down 30cm on average (treeline & below). Below treeline this surface hoar layer is easily found in many open areas. Areas exposed to wind and/or sun don't seem to have as much of it. At treeline, the surface hoar is best described as "spotty". Some sheltered areas have it standing up, while other exposed areas have it laying flat and bonded to the neighboring layers. Up to 2160m, there were only soft slabs lingering from the wind event. Within the recent storm snow, stability tests showed a couple shears, but nothing too serious or long term. The alpine still has evidence of a natural cycle taking place over the last few days. Recently formed windslabs are present in the alpine as well. These are suspected to be touchy in nature.

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