Boletín de aludes

Jasper

Mar 18 – 19, 2021
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Archivado · caducó 6 years ago

Peligro de aludes

Sat
Sun
Alta montaña
2 · Moderado
Límite del bosque
1 · Débil
Bajo el límite
1 · Débil
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Lo esencial

Generally safe avalanche conditions.  Watch for unstable snow on isolated solar features.

Problemas de aludes

  • Cornices

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1.5–3

    Cornices can be extremely destructive alone or, may initiate deeper layers in the snowpack below.

  • Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–3

    More activity noted at this layer, mostly initiated by large loads (cornices) in steep terrain.

  • Loose Wet

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

    Varied sensitivity on solar aspects, likelihood increases on the steepest slopes. It may be possible to trigger deeper instabilities once initiated.

Weather Forecast

Tonight: Flurries. Light SW winds.

Friday: Cloudy with sun, isolated flurries. Alpine temperature: High -5 °C. Ridge wind SW: 20 km/h gusting to 50 km/h. Freezing level: 1600 m.

Saturday: Flurries. Accumulation: 6 cm. Alpine temperature: Low -13 °C, High -7 °C. Ridge wind southwest: 20 km/h gusting to 55 km/h. Freezing level at valley bottom.

Snowpack Summary

Warm temps and high solar input has created typical spring like conditions with moist snow on solar aspects from daytime heating, TL and below. Continuing SW winds have redistributed the snow pack, forming hard slabs in the ALP. The mid pack is supportive in deep areas, but shallow snowpack areas are weak and will break down fast with temp swings.

Avalanche Summary

No new avalanche activity observed or reported

Confidence

Intensity of incoming weather systems is uncertain

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