Boletín de aludes

Lizard-Flathead

Mar 26 – 27, 2024Avalanche Canada
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Archivado · caducó 3 years ago

Peligro de aludes

Thu
Fri
Alta montaña
1 · Débil
Límite del bosque
1 · Débil
Bajo el límite
1 · Débil

Lo esencial

Low danger doesn't mean no avalanches.

Avoid cross-loaded features and areas with a shallow, thin-to-thick, snowpack where it may still be possible to trigger a slab.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely
    Tamaño
    1–1.5

    Watch for isolated pockets of wind slab lingering in the alpine.

Confidence

Moderate

Avalanche Summary

On Tuesday, several small, loose wet avalanches were rider-triggered on sunny slopes.

Snowpack Summary

20 to 25 cm of recent snow overlies predominantly crusty surfaces, except for northerly aspects at upper elevations.

A widespread, hard crust with facets above is buried down 180 cm in the Lizard Range and 80 to 120 cm elsewhere. Steep or convex terrain features with a shallow or thin to thick snowpack at treeline and above are the most likely places to trigger this layer. However, when a thick surface crust is present, human triggering this layer is unlikely.

Weather Summary

Tuesday Night

Mostly cloudy with 5 to 10 cm of snow. 25 km/h southwest alpine wind. Treeline temperature -5 °C.

Wednesday

Mostly cloudy with 1 to 2 cm of snow. 25 km/h southwest alpine wind.  Treeline temperature -4 °C. Freezing level 1500 m.

Thursday

Partly cloudy with up to 5 cm of snow. 25 km/h southwest alpine wind.  Treeline temperature -4 °C. Freezing level 1700 m.

Friday

Partly cloudy with 2 cm of snow. 20 km/h southwest alpine wind. Treeline temperature -4 °C. Freezing level 1500 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Even a small avalanche can be harmful if it pushes you into an obstacle or a terrain trap.
  • Watch for wind-loaded pockets especially around ridgecrest and in extreme terrain.
  • Avoid steep, rocky, and wind effected areas where triggering slabs is more likely.
  • Cornice failure may trigger large avalanches.

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