Pine' - Valle dei Mocheni · 24 December 2025

Day Risk Profile

Low

Earlier

Low

below treeline

Later

Moderate

above treeline

Later

Avalanche Problems

Above 2400 m

Low (1) Dry avalanches, earlier

Persistent weak layers Slab 1

N, NE, NW

above 2400m

Small Few Poor

Field notes

Persistent Snowpack layer in which the crystals are poorly bonded and the layer has the potential to fail. Typical crystals in dry weak layers causing avalanches are : precipitation particles; surface hoar; faceted crystals; hollow crystals; graupel. Generally >1mm in size, loose grains with few bonds Wet weak layers can be formed by all snow crystal/grain types.EAWS glossary are very challenging to recognise. Distinctive noise (resembling a “whumpf” sound) occurring when a weak layer beneath a slab collapses. The air of the weak layer is forced outside the snowpack, with the resulting whumpf sound being heard. The sound usually indicates an unstable situation and can be accompanied by surface cracking. A whumpf is a clear avalanche alert.EAWS glossary sounds and shooting cracks are typical when present, but you can have a serious weak layer with no warning signs at the surface. Knowledge of how the Snow deposited on the ground in a multiplicity of layers.EAWS glossary has evolved is essential. SLF's travel advice is direct: travel conservatively, avoid terrain where the consequences of being caught are large, and treat the history of weather and snow as more important than what you can see today. Read the full bulletin.

Source: SLF Avalanche Bulletin Interpretation Guide

Moderate (2) Dry avalanches, later

Persistent weak layers Slab 2

N, NE, E, W, NW

above 2400m

Medium Few Poor

Field notes

Source: SLF Avalanche Bulletin Interpretation Guide

Above treeline

Moderate (2) Dry avalanches, later

Wind slab Slab 2

N, NE, W, NW

above treeline

Medium Few Poor

Field notes

Look for fresh snow deposits on Slope facing downwind/ wind sheltered aspect. Snow deposits can attain several times average snow depth.EAWS glossary, in Usually a steep, elongated, eroded trench; typically prone to snowdrift accumulation.EAWS glossary and Rounded or elongated concavity; typically tending to accumulate snowdrift.EAWS glossary, and behind ridgelines and abrupt changes in terrain — these are where the wind has loaded the snow into slabs that are easy to trigger. Recent avalanches, shooting cracks under your weight, and Distinctive noise (resembling a “whumpf” sound) occurring when a weak layer beneath a slab collapses. The air of the weak layer is forced outside the snowpack, with the resulting whumpf sound being heard. The sound usually indicates an unstable situation and can be accompanied by surface cracking. A whumpf is a clear avalanche alert.EAWS glossary sounds are clear confirmations of the problem. The safest move is to avoid wind-loaded terrain entirely. NB wind signs alone don't always mean an avalanche problem exists, and the age of drifted snow is hard to judge.

Source: SLF Avalanche Bulletin Interpretation Guide

Avalanche Activity

As the day progresses as a consequence of new snow and wind there will be only a slight increase in the avalanche danger.

The avalanche danger will increase during the day, reaching danger level 2 (moderate). Especially in the regions with a lot of snow avalanches can be triggered in the weakly bonded old snow. This applies especially on steep shady slopes above the tree line. Avalanches can in isolated cases reach medium size. Mostly the avalanches are otherwise small. As a consequence of new snow and a moderate to strong wind from easterly directions, sometimes avalanche prone wind slabs will form in particular adjacent to ridgelines and in Usually a steep, elongated, eroded trench; typically prone to snowdrift accumulation.EAWS glossary and Rounded or elongated concavity; typically tending to accumulate snowdrift.EAWS glossary. Apart from the danger of being buried, restraint should be exercised as well in view of the danger of avalanches sweeping people along and giving rise to falls.

Outlook

Decreasing avalanche danger

25 December 2025

The conditions will foster a gradual stabilisation of the snow drift accumulations.

Snowpack & Weather

Snowpack

Over a wide area up to 20 cm of snow, and even more in some localities, will fall above approximately 1200 m. The new snow will be deposited on the unfavourable surface of an Snow layers deposited from earlier precipitation, prior to fresh fallen snow. Old snow layers consist of metamorphosed snow crystals.EAWS glossary. Shady slopes above approximately 2400 m: Faceted Snowpack layer in which the crystals are poorly bonded and the layer has the potential to fail. Typical crystals in dry weak layers causing avalanches are : precipitation particles; surface hoar; faceted crystals; hollow crystals; graupel. Generally >1mm in size, loose grains with few bonds Wet weak layers can be formed by all snow crystal/grain types.EAWS glossary exist in the bottom section of the Snow deposited on the ground in a multiplicity of layers.EAWS glossary. Below approximately 2400 m: The snowpack is largely stable. Hardly any snow is lying on south facing slopes. The snowpack will be generally subject to considerable local variations. Only a small amount of snow is lying for the time of year in all altitude zones.

Source

ALBINA

Issued

23 Dec 16:00 UTC

Valid until

24 Dec 16:00 UTC

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