Boletín de aludes

Jasper

Mar 13 – 14, 2019Parks Canada
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Archivado · caducó 8 years ago

Peligro de aludes

Fri
Sat
Alta montaña
2 · Moderado
Límite del bosque
2 · Moderado
Bajo el límite
2 · Moderado
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Lo esencial

Avalanches still can happen on specific terrain features at Moderate hazard. Choose your terrain wisely.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–2.5
    Fresh windslabs sit on a variety of old surfaces, these will take several days to settle and stabilize.

  • Loose Dry

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    1–2.5
    Natural triggering has abated but human triggering remains a possibility, particularly in steep sheltered terrain.

Weather Forecast

A westerly flow continues and a much weaker front will track through bringing light precip, gusting west winds and rising freezing levels for Thur and Fri. Columbia Icefields Region:Thursday: Mainly Cloudy with isolated flurries, Treeline High Temp: -8. Ridge winds southwest 15km/h gusting 50km/h

Snowpack Summary

Windslabs in the alpine and treeline on N-E aspects. Previous old surfaces were; loose facets in sheltered terrain; wind affected in exposed areas; and, sun crust to treeline on solar aspects. The mid/lower snowpack is relatively strong for the region in deeper snowpack areas, and weak and facetted in shallow snowpack areas.

Avalanche Summary

A group of skiers triggered a large windslab avalanche in the backcountry near Marmot Basin Tuesday.A widespread cycle of small-large loose dry avalanches occurred Monday night during the snow and wind storm - these started small, but scrubbed down in to the facets.Several large windslab avalanches on alpine NE aspects also ran during the storm.

Confidence

The weather pattern is stable

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