Boletín de aludes

Kootenay Boundary

Apr 5 – 6, 2016Avalanche Canada
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Archivado · caducó 10 years ago

Peligro de aludes

Thu
Fri
Alta montaña
3 · Notable
Límite del bosque
2 · Moderado
Bajo el límite
1 · Débil

Lo esencial

Sunny skies will cause fresh winds slabs to become more reactive. Failing cornices could trigger large avalanches running to valley bottoms. Watch out for overhead hazard.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely
    Tamaño
    1–3
    Fresh wind slabs will become very touchy with solar radiation.
  • Cornices

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    3–6
    This time of year the strength of cornices deteriorates rapidly with solar radiation.
  • Loose Wet

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely
    Tamaño
    1–3
    Changes can be rapid, sometimes significant change is possible in a matter of minutes, certainly within an hour or two.

Confidence

High

Weather Forecast

Wednesday: Partly sunny skies. Moderate to strong westerly winds in the morning that diminish in the afternoon. Freezing level around 2200m. Thursday: Sunny skies, light winds, and freezing levels skyrocketing to 3500m. Friday: Sunny skies, light winds and freezing levels remaining around 3500m.

Avalanche Summary

No new avalanches were reported in this region on Monday.

Snowpack Summary

Large cornices overhang alpine slopes and may trigger large, destructive avalanches running to valley bottom. Up to 20cm of recent storm snow with moderate northwesterly winds will have created fresh wind slabs on lee aspects in the alpine and open treeline. The late February surface hoar/ crust interface down 80 to 130 cm. is currently dormant, however, a rapid warm up could awaken this sleeping dragon. At low elevations, the snowpack is isothermal.

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