Bulletin d’avalanche

Lochaber

SAIS
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Danger d’avalanche

Above 900 m
1 · Faible
Above 900 m
3 · Marqué
Below 900 m
1 · Faible
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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 18/3. Unstable windslab mainly on steep N, NE and E aspects above 900m. Considerable hazard

Problèmes avalancheux

  • Wind slab

    • Toutes altitudes

  • cornice_failure

    • Toutes altitudes

Avalanche Activity

LO for 18/3. Unstable windslab mainly on steep N, NE and E aspects above 900m. Considerable hazard

Forecast Snow Stability: Large areas of unstable snow will remain with greatest accumulations being on steep North, North-East and East aspects above 900 metres. Cornices will become increasingly unstable during the day. The avalanche hazard will be Considerable.

Snowpack Structure

Forecast Weather Influences: It will be generally dry with moderate to strong summit winds. The freezing level will rise above the summits during Friday afternoon. Observed Weather Influences: Strong South-Westerly winds and frequent snow showers with the freezing level fluctuating between 800 metres and 1100 metres. ObservedSnowStability: Fresh areas of unstable windslab have formed in sheltered locations. Greatest accumulations are on steep North, North-East and East aspects above 900 metres. Avalanche activity observed in some of the main Ben Nevis gullies. The avalanche hazard is Considerable.

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

Régions couvertes