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 5 years ago. Vous consultez des conditions passées, pas le bulletin en cours.

Points saillants

LO for 11/2. Unstable windslab mainly on sheltered N, NE and E aspects above 900m. Considerable hazard. Unstable cornices

Problèmes avalancheux

  • Wind slab

    • Toutes altitudes

  • cornice_failure

    • Toutes altitudes

Avalanche Activity

LO for 11/2. Unstable windslab mainly on sheltered N, NE and E aspects above 900m. Considerable hazard. Unstable cornices

Forecast Snow Stability: Large areas of unstable windslab will be present with greatest accumulations on wind sheltered North, North-East and East aspects above 900m. Unstable cornices will also be present above the aspects. Some redistribution of unstable snow onto North-West aspects will occur during the day. The avalanche hazard will be Considerable

Snowpack Structure

Forecast Weather Influences: Winds will ease slightly overnight before picking up again from the South during Friday. After a cold night, the freezing level will rise to around 500m with occasional light snow showers. Observed Weather Influences: After a windy night, the Strong South-Westerly winds slowly eased during the afternoon. Snow showers overnight with the freezing level rising gradually to around 600m. ObservedSnowStability: Large areas of unstable windslab have continued to develop in the strong winds. Greatest accumulations are on wind sheltered North, North-East and East aspects above 900m. Unstable cornice are also developing above these aspects. Natural avalanche activity noted on East facing gullies on Ben Nevis. The avalanche hazard is Considerable

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

Régions couvertes