Bollettino valanghe

Northern Cairngorms

SAIS
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Pericolo valanghe

Above 850 m
1 · Debole
Above 850 m
2 · Moderato
Below 850 m
1 · Debole
Non aggiornato — questo bollettino è scaduto 2 years ago. Stai vedendo condizioni passate, non il bollettino in corso.

In sintesi

NC for 01.03 Poorly bonded windslab on N and E aspects above 850m, esp. steep wind sheltered locations. Fragile cornices. Mod Haz

Problemi valanghivi

  • Wind slab

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  • Persistent weak layers

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  • cornice_failure

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Avalanche Activity

NC for 01.03 Poorly bonded windslab on N and E aspects above 850m, esp. steep wind sheltered locations. Fragile cornices. Mod Haz

Forecast Snow Stability: Unstable windslab will continue to build on North to East aspects above 850 metres. Areas most affected will be steep wind sheltered locations such as coire rims, gullies and gully tops, especially where overlying the old snow. Fragile cornices will also be found on these aspects. Later in the day, isolated areas of unstable windslab will build on West and North-West aspects but accumulations are not expected to be significant. The avalanche hazard will be Moderate.

Snowpack Structure

Forecast Weather Influences: A dry day is forecasted. Winds, generally from the South will ease overnight becoming light Easterlies by the end of the day. The freezing level will fluctuate around 600 metres. Observed Weather Influences: Showers throughout the day, falling as snow above 600 metres. Gale force South-Westerly winds with the freezing level around 700 metres. ObservedSnowStability: Fresh accumulations of poorly bonded windslab has developed on North to East aspects above 850 metres. Areas most affected are steep wind sheltered locations such as coire rims, gullies and gully tops. Fragile cornices have started to build on the same aspects. Below this height a thin covering of fresh snow is mainly overlying bare ground but where accumulations have gained depth, instabilities are present. The avalanche hazard is Moderate.

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

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