Bulletin d’avalanche

Sea To Sky

Feb 18 – 19, 2025Avalanche Canada
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Archivé · expiré 2 years ago

Danger d’avalanche

Thu
Fri
Alpin
1 · Faible
Limite forestière
1 · Faible
Sous la limite
1 · Faible

Points saillants

Assess for new wind slabs as you gain elevation

Small wind slabs could be sensitive to rider traffic due to the underlying weak layers

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    1–1.5

    Small wind slabs may be triggerable in steep terrain.

Confidence

High

Avalanche Summary

No slab avalanches have been reported in the past 4 days. Skier triggered dry loose avalanches in steep terrain continue to be reported.

Snowpack Summary

Around 5 cm of new snow has fallen with variable wind, potentially forming new wind slab on all aspects. In sheltered terrain this new snow may overlie soft, faceted snow or surface hoar. In exposed terrain a sun crust or wind affected snow is likely on the surface.

20 to 40 cm overlies a weak layer from late January. In most areas, it is a hard slippery crust, however, on shady, upper-elevation slopes, it may be faceted grains or surface hoar.

The mid and lower snowpack is strong and bonded.

Weather Summary

Monday Night

Partly cloudy. 10 km/h west ridgetop wind. Treeline temperature -7 °C.

Tuesday

Mostly cloudy with trace amounts of snow possible. 10 to 20 km/h south ridgetop wind. Treeline temperature -4 °C.

Wednesday

Cloudy with 1 to 3 mm of mixed precipitation. 20 to 40 km/h south ridgetop wind. Freezing level rising to 1800 m.

Thursday

Mostly cloudy with 1 to 3 cm of snow. 20 to 40 km/h southwest ridgetop wind. Treeline temperature -4 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • Be careful with sluffing in steep terrain, especially above cliffs and terrain traps.

Régions couvertes