Boletín de aludes

North Rockies

Jan 1 – 2, 2024Avalanche Canada
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Archivado · caducó 3 years ago

Peligro de aludes

Wed
Thu
Alta montaña
2 · Moderado
Límite del bosque
2 · Moderado
Bajo el límite
1 · Débil

Lo esencial

Adopt a conservative approach, while the reactivity and depth of problematic surface hoar layers vary across the region.

Problemas de aludes

  • Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely - Possible
    Tamaño
    1.5–3

    Buried surface hoar is of greatest concern around treeline elevations, in areas where a supportive crust doesn't exist above it.

Confidence

Moderate

Avalanche Summary

No recent avalanches have been reported in the region, however there are currently very few field observations.

Last weekend, there were a few reports of natural and skier-triggered avalanches, likely sliding on a layer of buried surface hoar; mostly at treeline and up to size 2.

If you go out in the backcountry, please consider sharing your observations on the Mountain Information Network (MIN).

Weather Summary

Sunday Night

Partly cloudy with no precipitation, southwest alpine winds 20 to 40 km/h, treeline temperature -5 °C.

Monday

Cloudy with trace snow amounts, southwest alpine winds 10 to 30 km/h, treeline temperature -5 °C.

Tuesday

Partly cloudy with no precipitation, south alpine winds 10 to 30 km/h, treeline temperature -5 °C.

Wednesday

Cloudy with isolated flurries, southwest alpine winds 20 to 50 km/h, treeline temperature -5 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Surface hoar distribution is highly variable. Avoid generalizing your observations.
  • Avoid freshly wind loaded features, especially near ridge crests, roll-overs and in steep terrain.
  • Start with conservative lines and watch for clues of instability.

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