Boletín de aludes

South Coast Inland

Nov 29, 2018Avalanche Canada
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Archivado · caducó 8 years ago

Peligro de aludes

Fri
Sat
Alta montaña
3 · Notable
Límite del bosque
2 · Moderado
Bajo el límite
1 · Débil
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Lo esencial

We have no recent observations, but it looks wet and soggy at lower elevations. The exception is in the alpine where storm slabs and cornices likely pose a serious threat. Please let us know what you're seeing on the MIN!

Problemas de aludes

  • Cornices

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–2
    Cornices have formed on many alpine ridgelines. These cornices may be large and weak. Do not trust them and avoid travel on or underneath them.

  • Storm Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–2
    Soft slabs up to 20 cm in depth likely exist in the alpine. Cooling temperatures should reduce the slabs sensitivity to human triggering, but you need to be mindful of this problem, especially in extreme terrain and immediately lee of ridgecrest.

Confidence

Low - Due to the number of field observations

Weather Forecast

The storm has passed, and now are now transitioning towards a period of pronounced high pressure. The forecast period is marked by cooler temps, very little precipitation and the potential for clearing skies by the weekend.WEDNESDAY NIGHT: Freezing level holding around 1000 m, light variable wind, trace of precipitation possible. THURSDAY: Scattered cloud cover, freezing level around 800 m, light west/southwest wind, trace of precipitation possible.FRIDAY: Broken cloud cover, freezing level around 800 m, light west/southwest wind, trace of precipitation possible.SATURDAY: Scattered cloud cover, freezing level around 600 m, light east/northeast wind, no significant precipitation expected.

Avalanche Summary

No recent avalanches reported.  Please submit any observations you have to the Mountain Information Network here.

Snowpack Summary

Before the most recent storm, snow depths were around 50 to 90 cm at treeline and alpine elevations. Monday and Tuesday's intense precipitation event probably rain-soaked the existing snowpack up to about 1900 m. Temperatures remained cool on Tuesday above 1900 m, when 15 to 20 cm of snow fell. Moderate to strong south/southwest wind on Monday and Tuesday likely formed storm slabs, cornices, and wind damaged snow in high elevation alpine terrain.

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