Lechtaler Alpen Mitte · 15 March 2026

Day Risk Profile

Low

below 2000m

Moderate

above 2000m

Avalanche Problems

Above 2000 m

Moderate (2) Dry avalanches · all day

Persistent weak layers + Wind slab Slab 2

N, NE, E, W, NW

above 2000m

Large Few Poor

GM.7 GM.6

Field notes

Persistent weak layers

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.

Wind slab

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

Weakly bonded old snow requires caution. Fresh wind slabs on near-ridge shady slopes.

Avalanches can be released in near-ground layers and reach large size in isolated cases. The Locations delineated by aspect or altitude where avalanches can trigger and people or objects are at risk.EAWS glossary are to be found in particular on very steep west, north and east facing slopes above approximately 2000 m. Such avalanche prone locations are rare but are barely recognisable. Caution is to be exercised in particular at transitions from a shallow to a deep Snow deposited on the ground in a multiplicity of layers.EAWS glossary, when entering 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 for example. Fresh wind slabs are in some cases prone to triggering on near-ridge shady slopes. The wind slabs are mostly rather small. In the regions neighbouring those that are subject to danger level 3 (considerable) the avalanche prone locations are larger. Especially in the regions exposed to heavier precipitation small to medium-sized loose snow avalanches are possible, in the event of solar radiation in particular on extremely steep slopes.

Outlook

Constant avalanche danger

16 March 2026

Fresh wind slabs require caution. Weakly bonded old snow requires caution.

Snowpack & Weather

Snowpack

Over a wide area 5 to 20 cm of snow, and even more in some localities, has fallen since Sunday. The moderate wind has transported some snow. Fresh wind slabs are to be found especially adjacent to ridgelines and in pass areas. Wind slabs are lying 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 on shady slopes. They are lying on Transparent, frequently flat crystals forming on the snowpack when moist air settles on the surface. It forms most often during cold, clear, humid nights. Once it is blanketed by fresh fallen snow, surface hoar is one of the most critical weak layer. See also: www.snowcrystals.itEAWS glossary in some places. Avalanche prone 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 on west, north and east facing slopes. This applies above approximately 2000 m. Below approximately 2000 m and steep sunny slopes: The old snowpack will be moist.

Source

ALBINA

Issued

15 Mar 07:00 UTC

Valid until

15 Mar 16:00 UTC

Next update

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Schedule

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