Avalanche.report

Saturday 21 December 2024

Published 20 Dec 2024, 17:00:00


Danger level

1800m
Avalanche Problem
Wind slab
1800m


Evaluate freshly generated snowdrift accumulations on shady slopes with great caution.

Due to fresh snowfall and increasily stormy winds, far-reaching snowdrift accumulations are being generated, particularly on shady slopes above 1800m: easily triggered or triggering naturally. Avalanches are mostly small-sized. In addition, small loose-snow avalanches will be possible during the course of the day, particularly on extremely steep sunny slopes.

Snowpack

Up to 20cm of fresh snow was registered, locally more. The often storm-strength winds have intensively transported the snow. The fresh snowdrift accumulations blanket a weak old snowpack surface on shady slopes above 1800m. The old snowpack is faceted. The snowpack is highly irregular, even over small areas.

Tendency

Avalanche danger levels are not expected to change significantly.


Danger level

1800m
Avalanche Problem
Wind slab
1800m


Evaluate snowdrift accumulations on shady slopes with great caution

Due to fresh snowfall and increasily stormy winds, far-reaching snowdrift accumulations are being generated, particularly on shady slopes above 1800m: easily triggered or triggering naturally. Gullies and bowls are unfavorable, since weak layers are evident inside the old snow. Avalanches are sometimes medium-sized. Apart from the risk of being buried in snow masses, you also need to take the dangers of being swept along and forced to take a fall into consideration on extremely steep slopes.

Snowpack

dp.1: deep persistent weak layer

Especially along the Italian border, up to 25cm of fresh snow has fallen, locally more. The often strong-velocity winds have intensively transported the fresh snow. The snowdrift accumulations blanket a weak old snowpack on shady slopes above 1800m. The old snowpack is faceted and highly irregular over small areas.

Tendency

Avalanche danger levels are not expected to change significantly.


Danger level

2200m
Avalanche Problem
Wind slab
2200m
Persistent weak layer
2400m


Circumvent freshly generated snowdrift accumulations

As a result of resh snow and increasingly stormy winds, wide-reaching snowdrift accumulations have been generated particularly at the foot of rock cliffs and behing protruberances in the landscape. These drifts can be triggered easily by one single skier in all aspects above 2200m. Particularly on east-facing and southeast-facing slopes the snowdrifts are expected to grow during the nocturnal hours. Avalanches can fracture down to more deeply embedded layers inside the snowpack on shady slopes in particular, and then grow to larger size. Whumpt noises and glide-cracks when the snowpack is tred upon are indicators of danger. Frequency and size of danger zones tend to increase with ascending altitude. In addition, during the course of the day small loosely-packed snow avalanches will be possible particularly at the foot of rock cliffs, especially on extremely steep sunny slopes along the Salzburg border in case of extended bright intervals.

Snowpack

dp.6: cold, loose snow and wind
dp.4: cold following warm / warm following cold

Up to 20cm of fresh snow was registered. The often storm-strength winds have intensively transported the snow. The cold fresh fallen snow and the far-reaching snowdrift accumulations which have been deposited particularly in gullies, bowls and behind protruberances in the terrain, lie deposited in all aspects above 2200m atop an unfavorale old snowpack surface, inside of which there are faceted, expansively metamorphosed weak layers evident on shady wind-protected slopes, especially above 2400m. The snowpack is highly irregular, even over small areas.

Tendency

Avalanche danger levels are increasing.