Boletín de aludes

Kananaskis

Apr 6 – 7, 2013Alberta Parks
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Archivado · caducó 13 years ago

Peligro de aludes

Mon
Tue
Alta montaña
2 · Moderado
Límite del bosque
2 · Moderado
Bajo el límite
2 · Moderado
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Lo esencial

Concern remains for instabilities related to the effects of solar radiation, warm daytime temperatures and rain at lower elevations. Also, watch for thin storm slabs in the alpine.

Problemas de aludes

  • Cornices

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely - Possible
    Tamaño
    1–5
    Cornices are large and sagging. Cornice failures have triggered slabs on the underlying slopes in the two weeks. Be aware of overhead exposure especially during times of intense solar radiation or rain.

  • Storm Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely - Possible
    Tamaño
    1–3
    Thin storm slabs are present in lee and cross-loaded features at higher elevations. The bond with the underlying layer is highly variable.

  • Loose Wet

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely - Possible
    Tamaño
    1–5
    As crusts melt with solar radiation, daytime heating and/or rain, wet avalanches are occurring. Be especially cautious in areas that have had little or no overnight freeze. Many slides are failing on the ground and involve the entire snowpack.

Confidence

Fair - Freezing levels are uncertain

Weather Forecast

Light flurries/rain showers will taper off Saturday night adding only a few cm's of new snow up high. Sunday may begin with a brief sunny period and then unsettled convective flurries are expected with no significant accumulations. Freezing levels on Sunday will be near 1800m, but cloudy conditions overnight Saturday will prevent a strong freeze.

Avalanche Summary

Very limited observations, but nothing new to report.

Snowpack Summary

Up to 15cm of recent snow at higher elevations has formed soft slabs in lee and cross-loaded terrain. Crusts remain widespread and vary considerably in thickness depending on aspect and elevation. Poor to little overnight recovery at lower elevations.

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