Boletín de aludes

Jasper

Feb 10 – 11, 2014Parks Canada
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Archivado · caducó 13 years ago

Peligro de aludes

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

If precipitation amounts exceed expectations on Tuesday and Wednesday, hazard rating will incrementally increase especially with winds.

Problemas de aludes

  • Deep Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely - Possible
    Tamaño
    1–3
    This layer may become reactive if there is a sudden temperature warming through the day. 

Weather Forecast

Weather models are not agreeing with precipitation amounts this week. Some say a trace Monday to Wednesday while others say 15cm on Monday, 15-20 on Tuesday, and 10-15 on Wednesday. Maybe locally at the Icefields. I expect lesser precipitation amounts for our region as the variables don't appear to be lining up. 

Snowpack Summary

Surface facetting and surface hoar continues to form with the cold temps. A Hard mid-pack is providing bridging strength over the weak basal facet layer at tree line and above. Below treeline where the snowpack exceeds 70cm, it has a supportive mid-pack.

Avalanche Summary

No new avalanches reported Sunday. An avalanche patrol down Highway 93 on Friday observed several size 1.5 slab avalanches in the alpine on reverse loaded features likely from the previous three days. Similar observations were seen in the Maligne valley as well. No patrol occurred on Saturday.

Confidence

Timing, track, or intensity of incoming weather system is uncertain on Tuesday

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