Boletín de aludes

South Coast

Dec 15 – 16, 2021Avalanche Canada
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Archivado · caducó 5 years ago

Peligro de aludes

Fri
Sat
Alta montaña
2 · Moderado
Límite del bosque
2 · Moderado
Bajo el límite
1 · Débil

Lo esencial

Shifting wind directions on Thursday may form fresh wind slabs on numerous aspects.

 Watch for newly formed and reactive wind slabs as you transition into wind affected terrain. 

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–2

    Shifting wind directions on Thursday may form fresh wind slabs on numerous aspects.

Avalanche Summary

Small (size 1) rider triggered wind slabs were reported in this region on Monday.

Confidence

Moderate - Uncertainty is due to the limited number of field observations.

Weather Forecast

WEDNESDAY NIGHT: Cloudy / Light, southerly winds / Low of -3 C / Freezing level 500 m.

THURSDAY: Mix of sun and cloud / Moderate, northwesterly winds / High of 1 C / Freezing level 600 m.

FRIDAY: Increasing cloudiness / Light, westerly winds / High of -1 C / Freezing level 500 m.

SATURDAY: Snow/rain; 65-75 mm / Extreme, southwesterly winds / High of 3 C / Freezing level 1300 m.

Snowpack Summary

Shifting wind directions on Thursday may form fresh wind slabs on numerous aspects.

30-40 cm of recent snow has buried the early December crust layers. The snowpack is generally well-settled and strong below these layers. 

Terrain and Travel

  • Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.
  • Recent wind has varied in direction so watch for wind slabs on all aspects.
  • Use ridges or ribs to avoid areas of wind loaded snow.
  • Avoid terrain traps where the consequence of any avalanche could be serious.

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