Bulletin d’avalanche

Lochaber

SAIS
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Danger d’avalanche

Above 900 m
1 · Faible
Above 900 m
2 · Modéré
Below 900 m
1 · Faible
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Périmé — ce bulletin a expiré 3 years ago. Vous consultez des conditions passées, pas le bulletin en cours.

Points saillants

LO for 28/12. Unstable windslab forming on sheltered NW, N and NE aspects above 900m. Moderate hazard

Problèmes avalancheux

  • Wind slab

    • Toutes altitudes

  • cornice_failure

    • Toutes altitudes

Avalanche Activity

LO for 28/12. Unstable windslab forming on sheltered NW, N and NE aspects above 900m. Moderate hazard

Forecast Snow Stability: Fresh areas of unstable windslab will form in wind sheltered locations. Greatest accumulations will be on steep North-West, North and North-East aspects above 900m, notably on scarp slopes and gully tops. Cornices will also form above these aspects. The avalanche hazard will be Moderate.

Snowpack Structure

Forecast Weather Influences: Strong Southerly winds with snow showers are expected throughout the period with the freezing level around 900m. Observed Weather Influences: Storm force Easterly winds this morning with snowfall above 400m and the freezing level rising to 1200m by late afternoon. ObservedSnowStability: Fresh areas of windslab have formed in sheltered locations, greatest accumulations are on sheltered West and North-West aspects above 900m. At lower elevations, any fresh snow has started to thaw. The avalanche hazard is Moderate.

Bulletin data: Scottish Avalanche Information Service (via EAWS / avalanche.report)

Régions couvertes