Boletín de aludes

Jasper

Feb 12 – 13, 2014Parks Canada
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Archivado · caducó 13 years ago

Peligro de aludes

Wed
Thu
Alta montaña
3 · Notable
Límite del bosque
3 · Notable
Bajo el límite
2 · Moderado
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Lo esencial

Snowfall warning issued for Jasper for late Tuesday evening into Wednesday afternoon. Danger rating will increase if it arrives, low confidence. 15cm or more snow with winds in a short time may cause direct action avalanches on specific slopes.

Problemas de aludes

  • Deep Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    2–3
    This layer may become reactive if there is a sudden temperature warming, additional snow load is applied, or smaller surface avalanches initiate deeper layers. Watch this develop as the storm arrives Tuesday night into Wednesday afternoon.

Weather Forecast

A snowfall warning has been issued for Jasper National Park. A low pressure system moving into central BC will spread cloud and snow into the mountain parks late Tuesday evening. 15cm or more of snow with winds is expected by Wednesday afternoon .

Snowpack Summary

In the Icefields, winds are whipping up what little snow is available. A thin windskin has capped a 2cm layer of small surface hoar and surface facets. Watch this layer as a concern later. A relatively hard mid-pack is providing bridging strength over weak basal facets at tree line and above. Below treeline it is supportive mid-pack where 70cm HS.

Avalanche Summary

No new avalanches reported for several days.

Confidence

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

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