Bulletin d’avalanche

Banff Yoho Kootenay

Nov 15 – 16, 2023Avalanche Canada
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Archivé · expiré 3 years ago

Danger d’avalanche

Fri
Sat
Alpin
2 · Modéré
Limite forestière
1 · Faible
Sous la limite
Début de saison
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Points saillants

Pay attention, Early Season Conditions still exist with lots of rocks lurking just below the surface. Forecasters are dealing with very limited observations.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–2

    Small wind-slabs up to size 2 can be expected in the alpine and exposed tree-line locations.

  • Loose Dry

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible - Likely
    Taille
    1–1.5

    Recent snow and continued winds have created loose dry avalanches in steep terrain. Ice climbers pay attention to terrain traps as sluffs may run a significant distance in steep or confined terrain.

Confidence

Moderate

Avalanche Summary

Several small (Size 1) skier controlled wind slabs were reported on Sunday. No new avalanches reported on Monday.

Snowpack Summary

40-60 cm settled snow at tree-line. The Nov 11 storm produced 10-30 cm that was redistributed by strong south winds. Pockets of reactive wind slabs can be expected in the alpine and exposed tree-line terrain.

Weather Summary

A ridge will build on Wednesday, followed by more of a westerly flow on Thursday. Little moisture however is expected to reach the forecast area.

East of the Divide isolated flurries through Thur. West of the Divide 2-4 cm on Wednesday. Westerly winds 20-30 Km/h on Wed and increasing on Thur

For more info please see the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful with wind slabs, especially in steep, unsupported and/or convex terrain features.
  • Ice climbers should be equipped with avalanche safety gear.

Régions couvertes