Boletín de aludes

Waterton Lakes

Feb 5 – 8, 2019Parks Canada
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Archivado · caducó 8 years ago

Peligro de aludes

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

Avalanche activity appears to have tapered off with the drop in temperature. Bundle up if you are headed out!

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–2
    Windslabs have formed with recent new snow and NE winds, and may take longer than usual to bond with cold temperatures.

  • Deep Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely - Possible
    Tamaño
    2–3
    A layer of weak facets is lurking at the bottom of the snowpack. Though there has been limited activity on this layer, it is still on our mind with consistent sudden collapse results in test profiles.

Weather Forecast

Tuesday: A mix of sun and cloud with no new snow. Cold temperatures down low with a strong inversion breaking down overnight and light NE windsWednesday: Sunny with cloudy periods, alpine high -18. Light N winds.Thursday: Cloudy with isolated flurries. Alpine high -15. Moderate W winds

Snowpack Summary

20-30cm of recent low density snow has been redistributed by previous strong to extreme west winds, and more recent moderate NE winds in the alpine and at treeline. This sits on a melt freeze crust below 2000m. The midpack is strong in deep snowpack areas, but the facets lingering at the bottom remain a concern in thinner areas.

Avalanche Summary

After peaking on Saturday with several storm slabs to size 2.5 reported in surrounding regions on N-NE aspects at treeline and in the alpine, avalanche activity appears to have tapered off with the drop in temperature.

Confidence

Due to the number of field observations

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