Bollettino valanghe

Bavarian Prealps East

LWD Bayern
Vedi sulla mappa

Pericolo valanghe

Above treeline
1 · Debole
Below treeline
1 · Debole
Non aggiornato — questo bollettino è scaduto 5 years ago. Stai vedendo condizioni passate, non il bollettino in corso.

In sintesi

in steep ridgeline terrain, isolated danger zones due to fresh snowdrifts

Problemi valanghivi

  • Wind slab

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  • Gliding snow

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Avalanche Activity

in steep ridgeline terrain, isolated danger zones due to fresh snowdrifts

Avalanche danger is low. Main problem: snowdrifts. Some danger zones lie in steep ridgeline terrain in N/E/SW aspects and in freshly wind-loaded gullies and bowls. Even minimum additional loading is sufficient to trigger a small slab avalanche. The risks of falling outweigh those of being buried in snow masses. At intermediate altitudes, isolated glide-snow avalanches can trigger naturally on smooth, grass-covered slopes which have not yet discharged. Avalanches can reach medium size.

Snowpack Structure

A small amount of fresh snow and strong NW winds will generate fresh, small snowdrift accumulations, deposited on top of powder, surface hoar or smooth wind and melt-freeze crusts - they are prone to triggering. The old snowpack has settled well and is stable. On shady slopes the snow is still powdery, on sunny slopes breakable wind crusts and melt-freeze crusts dominate. Up to intermediate altitudes the snowpack is moist nearly down to the ground, which furthers gliding movement of the overall snowpack. At high altitudes, isolated older drifts have persisted, they are still triggerable in the weak intermediate layers. Below 1400 m the small amount of fresh snow is deposited on bare ground.

Tendency

In the next few days, instable conditions will prevail. Precipitation and intensifying westerly winds can raise avalanche danger levels further.

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

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