Southern Cairngorms

SC 13/03 Thaw conditions overnight. Cornice collapse! Return to daytime cooler conditions. Good stability generally. Av. Hazard Low.

SC 13/03 Thaw conditions overnight. Cornice collapse! Return to daytime cooler conditions. Good stability generally. Av. Hazard Low.

Forecast Snow Stability: Risk of cornice collapse overnight due to rain and thaw conditions. Limited risk of minor surface instability on steeper terrain, mainly on West to North aspects above 900 metres. During the morning the snow will slowly start to firm up above 950 to 1000 metres but will remain soft and wet below 900 metres. Stability will be generally good throughout. The avalanche hazard will be Low.

Forecast Weather Influences: Overnight rain, followed by a dry day. Fresh Southerly winds overnight, increasing to become gale force West-South-Westerly by early afternoon. Freezing level above the summits overnight, lowering to 900 metres during the morning, 950 metres in the afternoon. Observed Weather Influences: A mainly dry day but damp conditions due to thick cloud above 700 metres. Fresh South-Easterly winds, veering Southerly during the afternoon. Freezing level around 950 metres at midday. ObservedSnowStability: Below 850 metres the sparse snow has softened and is diminishing. Above this altitude the snow remains firm and well bonded with an icy surface crust. Most extensive snow is to be found in steeper, wind sheltered locations on W through North to East aspects above 900 metres. Small cornices are present. The avalanche hazard is Low.