Boletín de aludes

South Coast

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

Peligro de aludes

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

Heavy precipitation and strong south winds Friday night into Saturday has built storm and wind slabs where the precipitation fell as snow.

Problemas de aludes

  • Storm Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Very Likely
    Tamaño
    1–2.5
    Heavy snow at upper elevations is building new, reactive storm slabs. Watch for new slabs in areas when the rain switches to snow. The snow will fall with strong southwest winds, so expect thicker slabs in lee features.

  • Loose Wet

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely - Very Likely
    Tamaño
    1–2
    Rising freezing levels and rain will rapidly weaken the snow surface initiating loose wet avalanches.

Confidence

Moderate - Freezing levels are uncertain on Saturday

Weather Forecast

SATURDAY: Rain or wet snow, accumulation 20-30cm mostly overnight Friday into Saturday / Strong south wind / Alpine temperature 1 / Freezing level 1300 m SUNDAY: Wet flurries / Light west wind / Alpine temperature 2 / Freezing level 1100m MONDAY: Cloudy with sunny periods / Light west wind / Alpine temperature 1 / Freezing level 1100m

Avalanche Summary

We have received very little information on avalanche activity for this region. From the little we have heard, there were no new avalanches to report from Wednesday or Thursday Forecast heavy precipitation should mean that the likelihood of triggering avalanches is on the rise at upper elevations.We would very much appreciate it if you spend a moment to submit any observations you have to the Mountain Information Network here, even if it is just a photo. Thanks!

Snowpack Summary

Heavy precipitation is forecast Friday afternoon and evening. If it falls as snow at upper elevations, it will build reactive storm slabs which sit over a predominant thick crust for Saturday. It is difficult to predict where and when rain will switch to snow, but expect the transition to happen as you approach mountain top.Below tree line, a spring snowpack exists. Rain has saturated upper snowpack. Forecast rain will continue this trend.

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