Boletín de aludes

Jasper

Dec 14 – 15, 2019Parks Canada
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Archivado · caducó 7 years ago

Peligro de aludes

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

Go get it before the wind does. Treeline has some excellent skiing right now!

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely - Possible
    Tamaño
    1–3

    Wind slabs are present on lee slopes and cross-loaded features

  • Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely - Possible
    Tamaño
    1–2

    Isolated to very specific sheltered locations at treeline.

  • Loose Dry

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely - Possible
    Tamaño
    1–2

    Specific to steep terrain. Ice climbers should pay particular attention to this as entrenched loose snow may have the volume to knock climbers off their stance. Solar input has the potential to trigger this problem.

Weather Forecast

Sunday will be a mix of sun and cloud, no new snow, low -19 and high -16, and West wind 15 km/h. Monday will be the same as Sunday.

For More details: Mountain Weather Forecast

Snowpack Summary

The top 30cm remains unconsolidated except where exposed to wind where soft slabs have been formed. The snow depth is variable at all elevations. There is a crust/facet layer distributed through the region in the mid-pack with mixed reactivity and a weak basal facet/depth hoar layer at the base of the pack.

Avalanche Summary

Friday's field trip to Pyramid mountain area noted nothing new and no signs of instability and a consolidated snowpack. Thursday's field trip to Churchill slide path noted no new naturals. Wednesday's trip to Parkers Ridge noted several loose dry up to size 2 out of steep, rocky solar terrain triggered by solar input.

Confidence

The weather pattern is stable

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