Boletín de aludes

Northwest Inland

Dec 5 – 6, 2022Avalanche Canada
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Archivado · caducó 4 years ago

Peligro de aludes

Wed
Thu
Alta montaña
1 · Débil
Límite del bosque
1 · Débil
Bajo el límite
1 · Débil

Lo esencial

After many windy and cold days, the best riding is likely in terrain sheltered from the wind.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely
    Tamaño
    1–1.5

    Lingering wind slabs are likely becoming more challenging to trigger, but they may still be found in steep unsupported terrain at treeline and above.

Confidence

Moderate

Avalanche Summary

No recent avalanches have been reported, but observations are limited this time of year. If you do head into the backcountry please submit a MIN report!

Snowpack Summary

Strong wind from the east over the past week has scoured east slopes and created hard wind slabs on south and west facing slopes.

A layer from mid-November is buried 50 to 70 cm deep at treeline. This layer consists of surface hoar, facets and as a crust below treeline and on south facing slopes. This layer was reactive a week ago (Nov 27 and 28), but has likely trended towards being unreactive under the current conditions.

Many early-season hazards exist below treeline such as rocks, stumps, and open creeks.

Weather Summary

Sunday night

Mostly cloudy skies, no precipitation, 20 to 40 km/h wind from the northwest, treeline temperatures cool to -10 °C.

Monday

Mostly cloudy, no precipitation, 30 to 40 km/h wind from the northwest, treeline temperatures around -8 °C.

Tuesday

Cloudy, isolated flurries with trace amounts of snow, 40 to 60 km/h wind from the northwest, treeline temperatures around -10 °C.

Wednesday

Cloudy, isolated flurries with 2 to 5 cm of snow, 50 to 70 km/h wind from the southwest, treeline temperatures around -8 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • The best and safest riding will be on slopes that have soft snow without any slab properties.
  • Use caution when approaching steep and rocky terrian.
  • Recent wind has varied in direction so watch for wind slabs on all aspects.

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