Bollettino valanghe

Stub and Gleinalpe

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Above treeline
3 · Marcato
Below treeline
1 · Debole
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Non aggiornato — questo bollettino è scaduto 4 years ago. Stai vedendo condizioni passate, non il bollettino in corso.

In sintesi

Fresh snowdrifts on north and east-facing slopes

Problemi valanghivi

  • Wind slab

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  • Persistent weak layers

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Avalanche Activity

Fresh snowdrifts on north and east-facing slopes

Avalanche danger levels in the Gurktal and Seetal Alps, on Stubalpe and on Koralpe are considerable. Fresh snowdrifts on north and east-facing slopes are the main danger. Icy NW winds will generate new snowdrift accumulations. Avalanche prone locations are found near ridglines and at entries into gullies and bowls. Triggering a slab avalanches is possible even by minimum additional loading. Caution urged towards fresh cornices, they are easily triggered.

Snowpack Structure

Over the last 24 hours there has been 20 cm of fresh snow registered. The cold NW winds are depositing brittle new snowdrifts on extended east-facing slopes. Bonding of the fresh drifts to the old snowpack is insufficient. The old snowpack on north-facing slopes is weakened by expansive metamorphosis: persistent weak layer!

Weather Synopsis

Summit zones will be shrouded all day long in heavy cloud, light snowfall is expected in Upper Styria. Winds will be strong, especially in the afternoon at high altitudes. At 2000 m: -13 degrees, with the windchill added it seems far colder. Little change in weather conditions is expected: heavy cloud, intermittent snowfall in Upper Styria. Strong winds from the northwest. The southern mountain massifs will probably remain dry.

Tendency

Little change in avalanche danger levels

Bulletin data: Avalanche Warning Service Styria (CC BY 4.0)

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