Boletín de aludes

Kootenay Boundary

Apr 9 – 10, 2022Avalanche Canada
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Archivado · caducó 4 years ago

Peligro de aludes

Mon
Tue
Alta montaña
2 · Moderado
Límite del bosque
2 · Moderado
Bajo el límite
1 · Débil
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Lo esencial

Check for pockets of wind slab around steep and high-consequence features.

Problemas de aludes

  • Wind Slabs

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

    Fresh snow will not bond well to the old surface. Check for reactive slabs around steep and high-consequence slopes.

Snowpack Summary

A dusting of flurries has covered a crust on all aspects and elevations. Wind has redistributed loose snow into gullies and depressions with pocket wind slabs below steep, open features.

Multiple crusts exist in the upper snowpack. The mid and lower snowpack are well settled.

Terrain and Travel

  • Watch for wind-loaded pockets especially around ridgecrest and in extreme terrain.
  • When a thick, melt-freeze surface crust is present, avalanche activity is unlikely.

Avalanche Summary

Rapid warming triggered several wet loose and wet slab avalanches to size 1.5 around the region Wednesday through Friday. The snowpack has since cooled and avalanche activity is unlikely, but re-frozen debris could be a real travel hazard.

Confidence

Moderate -

Weather Forecast

Saturday night: Mostly cloudy with isolated flurries, trace to 5 cm. Light west wind. Cold overnight temperatures, ridgetop low -10 C.

Sunday: Bands of convective moisture producing localized flurries up to 10 cm. Light northwest wind. Daytime freezing levels reaching 1200 m and ridgetop high -2 C.

Monday: Mostly cloudy with sunny breaks. Moderate east wind. Ridgetop high -2 C.

Tuesday: Cloudy with isolated flurries. Moderate east wind. Ridgetop high -2 C.

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