Bulletin d’avalanche

Kootenay Boundary

Mar 10 – 11, 2026Avalanche Canada
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Archivé · expiré 7 months ago

Danger d’avalanche

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

Points saillants

Recent wind has varied in direction, so watch for wind slabs on all aspects.

Persistent slabs may remain possible to trigger at upper elevations.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–2

    Recent wind has varied in direction, so watch for wind slabs on all aspects.

  • Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    1.5–3

    At upper elevations, where the crust is thinner or not present, it may still be possible to trigger persistent slabs on multiple buried weak layers of surface hoar and/or crusts in the top 120 cm of the snowpack.

Confidence

Moderate

  • We are confident that there are persistent slabs in the snowpack, but uncertain about how likely they are to trigger.

Avalanche Summary

No new avalanches were reported on Monday.

Snowpack Summary

Variable winds have redistributed 10 to 15 cm of recent snow.

The recent snow sits on a 1 to 10 cm thick crust. The thickness of the crust depends on elevation.

At upper elevations, where the crust is thinner or not present, it may still be possible to trigger persistent slabs on multiple buried weak layers of surface hoar and/or crusts in the top 120 cm of the snowpack.

The mid/lower snowpack is well settled and strong in most areas.

Weather Summary

Tuesday Night
Mostly cloudy. 0 to 5 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -10 °C.

Wednesday
Mostly cloudy. 0 to 5 cm of snow, then another 15 to 25 cm overnight. 40 km/h southwest ridgetop wind. Treeline temperature -9 °C.

Thursday
Mostly cloudy. 0 to 5 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -6 °C.

Friday
Mostly cloudy. 20 km/h west ridgetop wind. Treeline temperature -9 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Recent wind has varied in direction, so watch for wind slabs on all aspects.
  • If triggered, wind slabs may step down to deeper layers, causing larger avalanches.
  • Be aware of the potential for large avalanches due to buried surface hoar.
  • Avalanche activity is unlikely when a thick melt-freeze crust is present on the snow surface.

Régions couvertes