Boletín de aludes

Kananaskis

Dec 24 – 25, 2016Alberta Parks
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Archivado · caducó 10 years ago

Peligro de aludes

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

Tricky conditions out there right now with newly buried skier triggerable slabs being found at treeline and above.  Conservative terrain selection is key.  Merry Christmas!!!

Problemas de aludes

  • Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely
    Tamaño
    1–3
    Recently buried triggerable slabs are still being easily found in the alpine and isolated areas at treeline. Use smaller slopes that are not connected to a bigger overhead terrain.

  • Loose Dry

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Very Likely
    Tamaño
    1–2
    Loose dry avalanches up to sz 2 have been observed over the past 2 days.  These slabs were running down into skiable terrain.

Confidence

High - Due to the quality of field observations on Saturday

Weather Forecast

LIght snow and seasonal temperatures will continue through to the 26th.  Winds are forecast to remain light out of the NE but looking down the road, winds and temperatures are looking like they will increase into the strong range out of the SW on the 27th.

Avalanche Summary

Conditions were somewhat obscured on Saturday but we were able to see a few loose dry avalanches up to sz 2 that ran into skiable terrain.  We suspect that there are some new slab avalanche occuring in alpine areas but we were unable to confirm this due to the visibility. 

Snowpack Summary

An additional 10cm of snow fell overnight on the 23rd giving us up to 20cm of snow over the past 48hrs at treeline.  Lower elevations saw about half that amount. This new snow fell under the influence of light winds and as a result, has made it tougher to locate the previous windslabs that formed earlier in the week.  Over the past week the forecasting team has been easily able to trigger the now hidden windslabs that were failing on a layer of facets from the cold temperatures earlier in december.  These windslabs are being encountered in open alpine terrain as well as in specific features at treeline such as gullies and cross-loaded features.  Conservative terrain selection is important at this time.

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