Bollettino valanghe

Kootenay Boundary

Jan 1 – 2, 2013Avalanche Canada
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Archiviato · scaduto 14 years ago

Pericolo valanghe

Thu
Fri
Alta quota
2 · Moderato
Limite del bosco
2 · Moderato
Sotto il limite
1 · Debole

In sintesi

Problemi valanghivi

  • Loose Wet

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Likely
    Dimensione
    1–3
    Warm temperatures and direct sun may loosen surface snow layers.

Confidence

Fair - Timing or intensity of solar radiation is uncertain

Weather Forecast

Wednesday: Light W winds. Alpine temperature near -1. It may warm up to 0 in the afternoon, especially on sunny alpine/treeline slopes. No precipitation.Thursday: Moderate SW winds. Alpine temperature near -2, possibly warming to 0 in the alpine while remaining cooler in the valley. Very light snow starting in the evening.Friday: Light winds. Alpine temperature near -6. Very light precipitation.

Avalanche Summary

Small loose dry avalanches have been reported.

Snowpack Summary

Forecast alpine warming and direct sun may lead to a loose moist snow surface. Wind slabs may be found in isolated areas behind terrain breaks such as ridges, ribs and gully walls. Loose dry snow is sluffing in sheltered terrain. A generally settled upper snowpack overlies the late November surface hoar, buried down 115-130 cm. This layer seems particularly reactive in the Rossland Range, in rocky, thin snowpack areas. A deeply buried crust/facet layer near the base of the snowpack is considered dormant. Although unlikely, there is a lingering possibility of triggering a persistent slab in isolated areas.

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