Boletín de aludes

Banff Yoho Kootenay

Apr 29 – 30, 2014Parks Canada
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Archivado · caducó 12 years ago

Peligro de aludes

Thu
Fri
Alta montaña
3 · Notable
Límite del bosque
3 · Notable
Bajo el límite
3 · Notable
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Lo esencial

Forecasters are uncertain about the daytime high tomorrow. The snow will likely be frozen in the early morning and will deteriorate quickly in the afternoon. EXPECT to observe an avalanche cycle tomorrow afternoon. Be home early!

Problemas de aludes

  • Loose Wet

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    1–4
    This will largely be  a major concern on solar aspects in the heat of the afternoon. Plan your day accordingly and be home early.

  • Deep Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    3–4
    With the first major warm spell in the double digits fast approaching, this problem will be a concern. Managing this problem will include being back early before the day heats up in the afternoon.

Weather Forecast

The freezing level is expected to rise significantly on Wednesday afternoon. Expect the heat to initiate a major avalanche cycle. It could be quite frozen Wednesday morning with a lower danger rating, but things will deteriorate by 1pm. Additionally, a system is moving in on Friday that will bring cold temps and light snowfall.

Snowpack Summary

All areas of the park have a strong melt-freeze crust up to about 2400 meters, slightly bit lower on north aspects. Above that, dry snow persists with up to 10cm of settled powder in shaded areas and moist snow in the afternoon on solar aspects. Isolated, small windslabs exist in leeward areas in the alpine.

Avalanche Summary

Loose wet avalanches we observed in the Moraine Lake area today up to size 2 on solar aspects.

Confidence

Freezing levels are uncertain on Wednesday

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