Boletín de aludes

Lizard-Flathead

Apr 13 – 14, 2018Avalanche Canada
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Archivado · caducó 8 years ago

Peligro de aludes

Sun
Mon
Alta montaña
3 · Notable
Límite del bosque
2 · Moderado
Bajo el límite
2 · Moderado
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Lo esencial

New snow and strong winds have formed wind slabs in leeward areas near ridge crests and on convex features which may be reactive to human triggers.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    1–2
    New snow and strong winds have formed wind slabs in leeward areas near ridge crests and on convex features which may be reactive to human triggers.

  • Loose Wet

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–2
    Rising freezing levels and daytime warming have been triggers for recent large, loose, wet avalanches. Once moving, a loose, wet release may have the potential to trigger a slab on a deeper weak layer.

Confidence

Moderate - Forecast snowfall amounts are uncertain

Weather Forecast

SATURDAY: Mostly cloudy with flurries; accumulation 5-10 cm. Moderate southwesterly ridgetop winds. Alpine temperature 2. Freezing level around 1700 m.SUNDAY: Mostly cloudy. Moderate southwesterly ridgetop winds. Alpine temperature 4. Freezing level rising to around 2000 m.MONDAY: 5-10 cm new snow. Light northeasterly ridgetop winds. Alpine temperature 1. Freezing level around 1600 m.

Avalanche Summary

No new avalanches were reported in this region on Thursday.

Snowpack Summary

10-15 cm of recent storm and moderate winds have formed wind slabs sitting on hard crusts on lee features at treeline and above which may be reactive to human triggers.There are some reports of a surface hoar layer roughly 100 cm deep on sheltered northerly aspects at treeline, but no recent avalanche activity has been reported on this layer. Below this, the mid-pack is generally well settled and strong.A layer of sugary facets around a crust can be found near the bottom of the snowpack which has been inactive for some time.

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