Boletín de aludes

Kananaskis

Dec 5 – 6, 2014Alberta Parks
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Archivado · caducó 12 years ago

Peligro de aludes

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

All forecasts point to a steady rise in temperature over the week-end. Keep this in mind as you travel in the field. Triggering an avalanche is much more likely as temps climb near (or above) zero. Front ranges are more likely to see the high temps.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    1–4
    There may be isolated areas below treeline where these slabs will be noticed. Open areas are likely places to find this windslab. There is a chance the warm temps and sun will initiate a small cycle in the front ranges.

  • Deep Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    2–4
    Thin spots, heavily wind loaded features and steep rocky terrain are areas where the Nov6th will be a bigger problem. Dig down to assess the crust and its reactivity if in question.

Avalanche Summary

nothing was noted today

Confidence

Fair - Intensity of incoming weather systems is uncertain

Weather Forecast

Forecasted snow continues to be less and less. We are expecting some flurries, but accumulation will be negligible. Winds continue to flow out of the SW at moderate values (40km/h). The temperatures will moderate with this flow. We can expect an afternoon high of 0 on the Spray tomorrow. Alpine highs will hit -3. The lower valleys will see above 0 temps.

Snowpack Summary

Not a lot of change lately. Below treeline, the snowpack has no real structure. The depth is there, but there is no support for skiing or snowshoeing. Expect to walk on the ground. It isn't until the treeline elevations are reached that it changes. 2300m and higher is where the wind has had a chance to create slabs. The buried slabs vary in density depending on aspect and how open the terrain is. Open areas will have a denser slab. The layers to watch continue to be the Nov 24th facets and the Nov 6 crust. At 2300m these average a depth of 60 and 80 respectively.

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