Boletín de aludes

Lizard-Flathead

Nov 27 – 28, 2023Avalanche Canada
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Archivado · caducó 3 years ago

Peligro de aludes

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

Lo esencial

It's early season conditions with a thinner than usual snowpack. Watch for hazards under the snow like rocks and stumps - and avoid freshly wind loaded slopes around ridgeline.

Problemas de aludes

  • Wind Slabs

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

    Small wind slabs may be found at higher elevations, primarily in east facing terrain features (although wind direction has varied recently).

Confidence

Moderate

Avalanche Summary

Small loose dry 'sluffing' has been observed over the last few days.

Observations are limited this time of year, please consider filling out a MIN report.

Snowpack Summary

Expect early season conditions with a shallower than average snowpack, at treeline depths are between 40 and 60 cm. Below treeline snowpack depths taper off quickly.

Recent winds have varied in direction. these winds have scoured some terrain features in the alpine and formed small pockets of wind slab on exposed features.

A crust with facets below exists at or near the ground.

Weather Summary

Sunday Night

Partly cloudy skies with no new snow expected, northwest winds 20 to 40 km/h.

Monday

Partly cloudy skies with no new snow expected, west alpine winds 25 to 40 km/h, possibly gusting to 60 km/hr in the alpine. Treeline temperature -9°C.

Tuesday

Mostly clear skies, winds remain strong at ridgeline, around 50 km/hr. No new snow. Treeline temperatures around -6°C

Wednesday

Partly cloudy with no new snow. Westerly winds ease, 20-30 km/hr.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful with wind slabs, especially in steep, unsupported and/or convex terrain features.
  • Small avalanches can have serious consequences in extreme terrain. Carefully evaluate your line for wind slab hazard before you commit to it.

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