Boletín de aludes

Northwest Inland

Apr 13 – 14, 2012Avalanche Canada
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Archivado · caducó 14 years ago

Peligro de aludes

Sun
Mon
Alta montaña
2 · Moderado
Límite del bosque
2 · Moderado
Bajo el límite
2 · Moderado
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Problemas de aludes

  • Cornices

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–5
    Large cornices exist in alpine terrain. A failure could be destructive by itself, and could also trigger an avalanche on the slope below.

  • Loose Wet

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    1–5
    Snow stability can deteriorate very quickly with spring temperatures. Watch for loose wet avalanches on steep terrain, especially if the sun is shining. Wet slabs are also a possibility.

Confidence

Fair - Timing or intensity of solar radiation is uncertain

Weather Forecast

Saturday: very light snowfall / light and variable winds / freezing level at 1500m Sunday: a mix of sun and cloud / light southwesterly winds / freezing level at 1600m Monday: light snowfall / light and variable winds / freezing level at 1500m

Avalanche Summary

No new avalanches were reported from this region.

Snowpack Summary

We have had very little information about the snowpack in this region for several days now. However, I suspect the light snowfall with light winds at higher elevations have created a fairly consistent covering over a variety of old surfaces. These surfaces include well settled powder on steep north-facing slopes, and temperature-affected snow on solar aspects up high and on all aspects at lower elevations. I suspect below the snow line, light rain has been rain is penetrating and weakening already wet snow. As we head deeper into spring, expect potentially potent, yet relatively short-lived, instabilities with each storm. Wet slabs and wet loose snow avalanches also remain a real possibility during periods of warming or direct solar radiation, especially if there is minimal amounts of overnight freeze. Expect cornices to be large and potentially unstable, especially under sunny skies.

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