Bulletin d’avalanche

Lochaber

SAIS
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Danger d’avalanche

Above 900 m
1 · Faible
Above 900 m
2 · Modéré
Above 900 m
3 · Marqué
Below 900 m
1 · Faible
Below 900 m
2 · Modéré
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Périmé — ce bulletin a expiré 4 years ago. Vous consultez des conditions passées, pas le bulletin en cours.

Points saillants

LO for 8/1. Unstable windslab developing mainly on W-N-E aspects above 900m. Cornices! Older snowpack stable. Moderate hazard.

Problèmes avalancheux

  • Wind slab

    • Toutes altitudes

  • cornice_failure

    • Toutes altitudes

Avalanche Activity

LO for 8/1. Unstable windslab developing mainly on W-N-E aspects above 900m. Cornices! Older snowpack stable. Moderate hazard.

Forecast Snow Stability: Fresh unstable windslab will develop through the period with greatest accumulations on North-West to North-East aspects above 900 metres. West and East aspects will also be affected due to cross loading. Fresh, fragile cornices will develop. The older snowpack will remain well bonded and stable. The avalanche hazard will be Considerable.

Snowpack Structure

Forecast Weather Influences: Southerly gales ease in the afternoon. Showers throughout the period falling as snow above around 800 metres overnight and 500 metres during the day. The freezing level drops to around 700 metres during the day. Observed Weather Influences: There were strong Southerly winds and occasional light showers falling as snow above around 900 metres. The freezing level was around 1050 metres. ObservedSnowStability: The snowpack is generally well bonded and stable. Isolated accumulations of unstable winds are present in wind sheltered locations mainly on North-West to North East aspects above 1100 metres. The avalanche hazard is Low.

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

Régions couvertes