Boletín de aludes

Microwave-Sinclair

Mar 3 – 4, 2025Avalanche Canada
Ver en el mapa
Archivado · caducó 2 years ago

Peligro de aludes

Wed
Thu
Alta montaña
3 · Notable
Límite del bosque
3 · Notable
Bajo el límite
2 · Moderado
Abrir el mapa completo

Lo esencial

Weak layers exist in the snowpack, and conditions are primed for human triggering. Use extra caution around sun-exposed slopes during the heat of the day.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    1–2

    Fresh and reactive wind slabs are likely. Wind slabs will be the most sensitive where they overlie facets.

  • Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–2.5

    Reactive weak layers from January and February exist in the upper 80 cm of the snowpack. New snow, wind, sun, and warming could all add stress to these layers, and human triggering remains a concern.

Confidence

Moderate

Avalanche Summary

On Friday, a natural wind slab (12 hours old) was observed in a zone called the Onion. This released on a north aspect at 1650 m.

On Thursday, the NW Field Team triggered a (size 1.5) wind slab on an east-facing slope at 1740 m. The crown was 40 cm thick, 50 m wide and ran 100 m. It ran on the faceted layer below.

Wind-loaded slopes at upper elevations are most suspect and may be primed for human-triggered slab avalanches through the weekend.

Weather Summary

Sunday Night

Partly cloudy. 10 to 20 km/h northwest ridgetop wind. Treeline temperature -6 °C.. Freezing level dropping to valley bottom overnight.

Monday

Mix of sun and clouds. 20 to 30 km/h east ridgetop wind. Treeline temperature -5 °C.

Tuesday

Mostly sunny. 15 to 30 km/h east ridgetop wind. Treeline temperatures -1. Freezing level 1200 m.

Wednesday

A mix of sun and cloud. 10 to 25 km/h south ridgetop wind. Treeline temperatures 0. Freezing level 1400 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avoid freshly wind-loaded features, especially near ridge crests, rollovers, and in steep terrain.

Regiones cubiertas