Boletín de aludes

South Coast

Apr 14 – 15, 2014Avalanche Canada
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Archivado · caducó 12 years ago

Peligro de aludes

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

Avalanche danger can rise very quickly with warming and solar radiation. Be aware of changing conditions and overhead hazards.For more insight into spring danger ratings, check out our latest Blog Post.

Problemas de aludes

  • Cornices

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    1–4
    A cornice fall may also be what it takes to "wake-up" deep and destructive weaknesses which formed earlier in the season.

  • Loose Wet

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely
    Tamaño
    1–3
    Watch for loose wet avalanches with daytime warming on steep, sun-exposed slopes. Loose wet avalanches can be pushy and entrain mass quickly.

Confidence

Fair - Forecast snowfall amounts are uncertain on Thursday

Weather Forecast

Tuesday:  Overcast  with light snowfall. Winds  light to moderate west.  Freezing Level  1400m.Wednesday:  Mix sun and cloud. Winds light and variable. Freezing level  1600m.Thursday: Moderate snowfall possible.  Winds moderate southwest. Freezing level  1800m.

Avalanche Summary

Observations from the region have been very limited; however, several natural cornice releases to size 3 were reported over the weekend in the Sea to Sky region. In a few cases, the cornice fall triggered slabs to size 2.

Snowpack Summary

A melt-freeze crust exists on all aspects up to 2200 m, and dryer snow can be found on high northerly aspects. The recent warmer temperatures have helped to strengthen and settle the upper snowpack, especially on solar aspects. Isolated wind slabs may still exist, although I suspect they're gaining strength. Surface hoar growth has been noted on shady slopes at higher elevations, and large sagging cornices are becoming weak with daytime warming.The February crust/facet layer is now deeply buried 150 250 cm below the surface. This layer is mostly inactive at this time, but could re-awaken with extended warming, solar influence and large triggers like cornice fall.

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