Boletín de aludes

Kananaskis

Feb 14 – 15, 2019Alberta Parks
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Archivado · caducó 8 years ago

Peligro de aludes

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

Good skiing can be had right now. Watch the new snow amounts tomorrow and have a back up option if we get the storm early.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely - Possible
    Tamaño
    1–2
    Surface slabs exist near the bottoms of cliffs and immediate lee areas. There are also pockets of buried windslab that could be reactive in steep, shallow areas.

  • Deep Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely - Possible
    Tamaño
    2–3
    Its hard to take this off the radar completely because of the thickness of the layer. Thin areas and/or large triggers remain a concern.

Confidence

High -

Weather Forecast

Snow starting overnight. Light, but steady flurries will bring 8-10cm by Friday night. The snow will continue for saturday as well with an additional 4cm. Light winds from the SW for tomorrow and temp finally rising to the -15 to -10 range.

Avalanche Summary

Nothing today, but lots of loose dry and a few small slabs within yesterday's storm snow.

Snowpack Summary

A few cm's fell last night, helping the ski conditions a bit. The cold has continued to facet the upper layers at all elevations and allow surface hoar to grow in many areas. At the moment, the surface hoar is small and not a problem. The buried surface hoar on the other hand became very apparent low in the Blackprince area. Lots of big whumphs and cracks in valley bottom. Luckily after climbing for a few minutes, it disappeared.  Surprisingly, the mid pack is hanging in there and providing some support. The alpine areas have a small surface slab that was reactive yesterday. Notably at alpine and treeline is the buried  windslab. It would come and go and seemed well bonded, but still on our minds. Lots of probing today to help solve the puzzle.

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