Boletín de aludes

Kootenay Boundary

Mar 29 – 30, 2024Avalanche Canada
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Archivado · caducó 3 years ago

Peligro de aludes

Sun
Mon
Alta montaña
3 · Notable
Límite del bosque
3 · Notable
Bajo el límite
2 · Moderado

Lo esencial

30 to 50 cm of recent snow has formed storm slabs that are reactive to human triggers, especially in wind affected terrain.

Use small low consequence slopes to test the bond of the new snow.

Problemas de aludes

  • Storm Slabs

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

    30 to 50 cm of recent snow has formed storm slabs that are reactive to human triggers, especially in wind affected terrain.

  • Loose Wet

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

    Expect the sunshine to trigger wet loose avalanches on sunny aspects at all elevations.

Confidence

Moderate

Avalanche Summary

Numerous natural and rider triggered storm slab avalanches up to size 2 were reported on all aspects/elevations on Thursday.

Snowpack Summary

30 to 50 cm of recent snow overlies a crust on all but north facing aspects at treeline and above where a weak layer of surface hoar may be present.

A widespread crust with facets above is buried 80 to 180 cm deep. Steep or convex terrain features with a shallow or thin to thick snowpack at treeline and above are the places where it may still be possible to trigger this layer with large loads.

Weather Summary

Friday Night

Partly cloudy with isolated flurries, 0 to 10 cm snow. 10 to 20 km/h northwest ridgetop wind. Treeline temperature -5° C. Freezing level valley bottom.

Saturday

Sunny. 10 to 20 km/h northwest ridgetop wind. Treeline temperature -1° C. Freezing level 1800 m.

Sunday

Sunny. 20 to 30 km/h north ridgetop wind. Treeline temperature 0° C. Freezing level 1900 m.

Monday

Sunny. 20 to 30 km/h northwest ridgetop wind. Treeline temperature 5° C. Freezing level 2600 m.

Check out the Mountain Weather Forecast for additional weather information.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Look for signs of instability: whumphing, hollow sounds, shooting cracks, and recent avalanches.
  • Use small low consequence slopes to test the bond of the new snow.
  • Watch for changing conditions today, storm slabs may become increasingly reactive.
  • If triggered loose wet avalanches may step down to deeper layers resulting in larger avalanches.
  • Cornice failure may trigger large avalanches.

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