Bollettino valanghe

Northern Cairngorms

SAIS
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Pericolo valanghe

Above 900 m
1 · Debole
Above 900 m
2 · Moderato
Below 900 m
1 · Debole
Non aggiornato — questo bollettino è scaduto 5 years ago. Stai vedendo condizioni passate, non il bollettino in corso.

In sintesi

NC for 9.2: Snow showers. Unstable windslab developing on N, E to SE aspects above 900m. Fragile cornices. Moderate Hazard.

Problemi valanghivi

  • Wind slab

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  • cornice_failure

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Avalanche Activity

NC for 9.2: Snow showers. Unstable windslab developing on N, E to SE aspects above 900m. Fragile cornices. Moderate Hazard.

Forecast Snow Stability: New accumulations of unstable windslab will develop on North through East to South-East aspects above 900 metres. The greatest instability will be within wind sheltered terrain such as around the tops of gullies, crag aprons and below coire rims. Fragile cornices will develop on these aspects. Elsewhere the old snowpack will be firm well bonded and stable. The avalanche hazard will be Moderate.

Snowpack Structure

Forecast Weather Influences: Snow showers throughout the forecast period on gale force West-South-Westerly winds. The 700 metre freezing level will fall to 400 metres by day break and remain at this altitude from the rest of the day. Observed Weather Influences: Occasional snow showers on strong to gale force Westerly winds. The freezing level was around 900 metres. ObservedSnowStability: New accumulations of windslab have develop on Easterly aspects above 900 metres but these are generally shallow and avoidable. The old snowpack is well bonded and stable and the surface layers are becoming firm. Greatest amounts are on North through East to South-East aspects above 900 metres. The avalanche hazard is Low.

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

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