Boletín de aludes

South Rockies

Nov 27 – 28, 2015Avalanche Canada
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Archivado · caducó 11 years ago

Peligro de aludes

Sun
Mon
Alta montaña
Sin grado
Límite del bosque
Sin grado
Bajo el límite
Sin grado
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Lo esencial

Warming forecast for the next few days will increase the Avalanche Danger, especially at higher elevations. If you are out in the mountains, please post your observations to the MIN

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely - Possible
    Tamaño
    1–2
    Continued warm temperatures should help decrease the reactivity of recently formed wind slabs. Watch for triggering in steep, unsupported terrain, especially in spots where a hard underlying crust exists.

  • Loose Wet

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely
    Tamaño
    1–2
    Unseasonably warm temperatures and sun will increase the chances of loose wet avalanche activity on steep, sun-exposed slopes in the alpine and at treeline.

Weather Forecast

The dry ridge of high pressure will continue to bring clear skies and valley fog to the region until at least Monday. Above 1800m, temperatures could reach 4.0' celsius while below-freezing temperatures will persist in the valleys. Ridgetop winds should remain mainly light from the northeast.

Avalanche Summary

No recent avalanches have been reported. With warming forecast for the next few days, I would expect loose wet avalanche activity on steep, sun-exposed slopes. If you are out in the mountains, please post your observations to the Mountain Information Network.

Snowpack Summary

Snowpack observations have been very limited as the season commences. Initial reports suggest that there is enough snow above around 1700m for avalanches to occur. Around 10cm of settled storm snow sits on a thick rain crust which exists to at least treeline elevation. In exposed terrain at higher elevations, stubborn winds slabs are reported to exist. In places where these wind slabs interface with the underlying crust, they may still be sensitive to human triggering in steep terrain. Depending on the time of day, surfaces on steep south-facing slopes at upper elevations may be either wet or re-frozen.

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