Boletín de aludes

Jasper

Apr 8 – 9, 2012Parks Canada
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Archivado · caducó 14 years ago

Peligro de aludes

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

Depending on the degree of overnight freeze, consider a.m. to be reduced hazard and increasing with daytime heating especially with sun. Cornice failures and one size 3 was noted today. Freezing level may spike to 3000m or higher on Tuesday.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    2–3
    Slabs are present on exposed slopes and steep gully sidewalls. A significant wind slab release was noted Friday off Mt Kitcheners ridge facing the Icefields center. It was 50cm deep, 38 degrees or less in places, and ran a fair distance.

  • Loose Wet

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–3
    When the sun comes out expect a higher probability of naturally occurring moist avalanches in and around steep gullies, rocks, and alpine bowls. Recent activity of this nature has initiated deeper instabilities ie. windslabs / deep slabs.

  • Deep Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    2–4
    These deeper layers can wake up unexpectedly. A size 3 was triggered last Sunday at the Icefields from a shallow spot. Investigate for this weakness before committing. Profile Saturday found Feb14 surface hoar buried 80cm, unreactive yet present.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Timing or intensity of solar radiation is uncertain on Monday

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