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Avalanche warning for region Voss Thursday 20.02.2020

Danger level 3 - Considerable avalanche danger

Published:
Wind and fresh snow may give instable conditions in some slopes. Be careful in lee areas with wind deposited snow, typically behind ridges, ribs and in gullies. Especially where the wind deposited slabs are thin or soft, a slab avalanche is easier to trigger here. Avoid especially convex terrain.

Avalanche problems

Wind drifted snow (slab avalanches)

You can easily trigger avalanches on many steep slopes. Avalanches can get large enough to bury or even kill you (size 2).

Buried weak layer of new snow

Wind drifted snow (slab avalanches)

You can trigger avalanches on some steep slopes. Avalanches can get large enough to bury a car or destroy a small house (size 3).

Poor bonding between layers in wind deposited snow

Wet snow (slab avalanches)

You can easily trigger avalanches on some steep slopes. Avalanches can get large enough to bury or even kill you (size 2).

Water pooling in/above snow layers
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Below you can see a description of the current snow cover information and current weather forecast in the mountains. If your observations deviate greatly from what is described here, the warning will not necessarily apply either. Always make your own judgments or stay away from avalanche terrain.

Snow cover (in Norwegian)

Wednesday 19. February 2020

Snøoverflata er preget av mye vind og nedbør tidligere i uka. Dette har gitt både tydelige fokksnøflak, skavler og avblåste rygger. Tørr snø er tilgjengelig for snøtransport i høyden. Det gamle snødekket er smelteomvandlet etter mildvær og gjenfrysing.

Flere str. 2 og 3 naturlig utløste skred gått i i nærheten av Vossafjellet og Gudvangen mandag og tirsdag. Både tørre og våte skred.
På tirsdag løsnet det også et str.4 skred ved E16 i Gudvangen.

Mountain weather

Wednesday 19. February 2020

1-4 mm precipitation. Breeze from southwest, changing to fresh breeze from the south during the evening. -5 °C to -2 °C at 1100 m a.s.l. Partly cloudy.

Thursday 20. February 2020

10 mm precipitation, up to 35 mm in the most exposed areas. Moderate gale from south, changing to strong breeze from the west during the evening. -5 °C to 0 °C at 1100 m a.s.l. Cloudy.

Advice

The bulletin is a planning tool and may differ from the actual situation. Always make your own evaluation. To be 100 % avalanche safe, avoid all avalanche terrain.

Avalanche risk assessment

Nedbør og vind gir ny runde med pålagring av ustabile fokksnøflak i leområder over mildværsgrensa. Dersom de mest utsatte områdene får maksimal nedbørsmengde vil flakene kunne bli store og skred kan løsne av seg selv. Eldre fokksnø vil stabilisere seg fortere nå med gunstige temperaturer og vil gradvis bli vanskeligere å påvirke, men om de går vil det kunne bli stort.
Våte skred kan forekomme under mildværsgrensa.


Avalanche danger scale Important information for ski touring
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